Attachment Schedule S GXT

This document pretains to SAT-LOA-20090410-00043 for Application to Launch and Operate on a Satellite Space Stations filing.

IBFS_SATLOA2009041000043_707426

EXHIBIT 12: HORIZONS 2 Ku—BAND LINK BUDGETS UFLINK BEAMINFORMATION . Uplink Beam Name MEKH MEKH: MEKH MERHR MEKH MEKH Uplink Frecuarcy (MHz) 1400D—14250 1400—142E0 12000—14250 14100414353 14200—14258 14030—14250 Upink SeamPolarizalion Hortzontat Hortorlad Hodzontal Hodzcnial Rorlzcnial Horlzonial Upink Relatve Conlgur Lavel (1B) 3.0 +5.0 —E0 «€D 54 34 Uplink Coniaur GT B/X) DA 0.G 0.G ©0 £o EJ Up’.lnkSFD (dBwirn®} 739 q9o 9g4 199 ~799 —2.9 22.L 22.5 22.0 220 220 220 DownlinkBaam Kave| RUKY RUKVY RUKYy aukuy ;j RUKS AUKM Downlink Frequancy (MHz) tesdt—127E0 12510—42780 125C0—12780 1250042753 12500—12753 i2s00—18750 Donnlink Seam Polartzation: verllcal verltcal werlicsl verfcal werical verical Sonnlink Relative Contaur Level {d8) —5.0 —5.0 —£0 +£0 ~6.4 ~54 Domnlink Comour EIRP (dBW) 45.0 5.0 £5.0 460 4680 46.0 Ran Race immitir) 22.0 22.0 22.0 220 220 220 5 1Orbisl Location £310°C E319C 65.45°2 82.15°E 8315E 812E Upink Power DenstyCBWIHz} —5%.0 —550 —550 E04 ~210 ~50.5 Uplink Polanzation Advanlage (1B) 0 T O E D 0 Donnlink ENP Density(dowWHe} ~25.0 ~26.0 2641 ~25.4 ~26.0 ~25.5 ADJACENT SATELLTE 3 Sateiflls1 Orbtiat Location E7.A5°C 67.45°C 67.45°2 a7.15°E 87AZE S7.S°E Uplink Power densty(CBiyHa) —5%.0 —5E.0 —E50 —E0.8 ~50A ~51G Uplink Potanzaton Advanlage (d5) a & a p O G Downlink EIRP Deasity(G3WHz} ~25.0 —26.0 260 ~26.0 ~364 ~25.0 CARRIERINFORMATION_ Caterd® 1 t 1 4 & 4 Smission Designation IaMOFar sAMCFEF SEMOFSF SEMIGTW SEMIGTA 2EMIGTY informallan Ra:s(bpe) nz nfa Afa 27169.5 27709.6 27752.6 Camer Mcdalalion: TIFM TIEEM TFM CPSK GPSK QPSK PeaX i0 Feak Bandetdlh of EDS (MHz) .8 4.G 4.G nia ma id Cods Rate nz fa L5 Ocoupled Sandaict («Hay 36030 3Sa2td 31133 Atosaled Bercaicn (KH2) 26000 35900 35203 Minimum CM, Clear Skyfdsy 1090 10.50 325 Minttumn CN,Rein B)_ 1000 10.50 3.26 UpPLiN®EARTHSTATICN Sarin Stalion Olameler (meters) .5 4.5 4.5 Sarin Stalizn Gain (d21) E.6 54.6 ©34.5 Sarh S—alion Stvalion Ange 216 23.6 289 BONNHNK ZARTH STATICN Sarin Stalion dlamete: (melers} 106 1.56 Sarin Stalion Gain (dB1) 41.5 4%.0 Sarh Stalion G:T (d5() 191 12.2 Sarih Stalion Stvallon Ange 31.5 #1.5 LINK FADE TYPE Clear Sky Down Fade Clsar Sky Cown Fade UPLINK PERFORMANCE Uplnk Earth Station EIRP (dav® 776 776 Ti%k Uplick Path Loss, Claar Sky (48) — 2072 207.3 207.2 Uplnk Rain Altermiation {48) ©0 cJ Sateilis GT(CEK) bad BA tA sollzman Constant (CBWHK—Hz) / 2266 250.6 233.5 Camer Nolse Sanchaicth {dB—Hz) 74A —748. T46 Uplink CN {dB) 244 231 34.4 Downlink ENP per Carier {dBve 41.0 42.3 23 Anlenna Polntng Ermo: (d8) ~%§ «L5 —D.5 Downlink Palt Loss, Clear Sky (18) 205,2 . 2062 205.2 Downlink Rain Attsrastion {4B) C.G ©0 EB Sarth Szalizn G/T {d&/K) 19.1 191 19.1 Sallzman Carstant (COWIK—Hz) 223.6 2366 226.6 Catier Mclse Sanciigth {dB—H2) ~55.0 «56.0 T44 744 Downlink C/N {dB) 15.9 15.9 2.0 20 ComMPOSITE PERFORMANCE_ Cim Upiink [dB)] 31.1 311 )ad.d 23.1 CiM Downlink {dBj 15.5 15.9 20 20 C# Olfe: links (Co—channel & Ih) 24.0 35.5 2400 240 C Upink Adjacent Ssteille 1 (dB) 334 35.4 314 41.4 C# Cownrlitk Adjacert Sabsiltte 1 (4B) 15.6 15.6 59 53 Cd Uplink Adjacent Ssheille 2 (dB) Hé 314 Cit Cowniirk Adiacart Sateilite 2 {c4B) 156 136 11.6 113 119 CiM+!] Composits (dB] 11.6 11.7 111 E.1 Required System Margin (dB) 4.1 Minicum Requbed C\{cB) 10[3 10Et 12.0 A4 =xoe55 Link Margin (4B) o7 d.6 0.G ET 5B M Cé CE Uplnk Power Denslty(CBWIHz) ~44.5 ~*4.8 —~44.8 Donnlink ERP Censityat Eeam Pesk —13.0 1920 ~120 35.G Page 67 of 93

EXHIBIT 12: HORIZONS 2 'Ku-BAND LINK BUDGETS (continued) UELINK BEAM INFORMATION Uplink Eesm Name MEKH —— MEKH NEKH MEXH MEEKH MEKH Uplink Precuency (MHz) 1400b—14250 44000—422E0 1edto—Aess0 1400014250 14200—14250 14000—14250 Uplink Eaam Polarzalion: Harmonlal Hortzoniat Hodzontal Hodzanial Korlzcnisl Horlzcatal Uplink Relalive Conlour Level (1B) 5.5 5.0 —E.0 E.4 — 4d 30 lUplink Coreaur G/T (dB/Kp D4 0.G 0.G €.0 Eo BA Upink SFD (datwim‘y 729 729 49M —19.4 128 ~73.0 Ran Rate (mmihry 22.0 , gal 22.0 220 220 320 OCWHLINK SEAM INFORMATION . Dowtlink Eean Name RUKW BUKY RUKY RURY RUKI RUKKE + Comnlink Freguency (MHz) 12500—127E0 12510—127E0 1250042750 12500412750 12800412758 12500—1275B Oownlink Beam Palaration verlical verlltal Wedical _ Vertcal erfcal Yverical Sownlink Refative Condaur Level {dB) ~5.G ' 5.0 ~6.0 60 ~6d 54 Downlink Carfour EIRF (dBW) 45.G \ d5.G 450 <E0 460 dBuil Ratn Rees(mpa‘hrh 22.5 22.5 22.0 220 220 220 ADJACENT SATELLTE 1 _ . Sateille 1 Orbral Location: «E31E°E E315°C G319° 83.A9°E 8315°E A3.1E°E Uplink Power density(coWIHz}) —58.0 —550 ~EL0 ~E0 ~50.0 ~50.0 Uplink Polatizaton Advanlage(d8] 0 C & ~— OR 6 0 Doanlink ERP Density{dSWHz) —25.0 260 2680 ~26.% ~35.0 ~25.G ADJACENT S E&______L_L_____ Seleillie 1 Orbfal Location. ETA5E E7ASE 87.A5°Z i9E S7AE°E 87.A5°E luplink Power Sensity(CBWIHz) ~50.0 ~50.0 ~5CO ~20.8 — 50A ~50.5 Upink Polarzation Advanlage (d8) . > o O 2 E o o donnlinkERPdensity(aBWHez} 25.0 240 #e4 268 258 25.0 CARRIER INFORMATON ‘ Catier D 5 E 5 & 6 5 Emission Designation & 10Mient 104SGnY 10M3GIVE 10IKGTWY 102KGTW 11EKGrYT infomalion Rxs (Kope) E340.0 E200 824040 Th& 706 704 Camer Mcdutalizn QPSK CPSK CGPSX GPSK GPSK QPSIK A10 Feak Bandutdih of ED8 (MHz) nz ng nix nia: ma ma Code Rate 20e fZ 0.5 M.S S ~ Bs ES Oocupled Sardricth (¢Hz) E771 6r¢4 6771 15 Ts T5 Atocalad Baratwion fXH2) 103010 1C3EG 1036 TEG 163 10] Minimum ON, Clear Sky{d5) 597 S.5T 3.57 2.50 2.79 forscs Mitimun CN, Rai (dB) 337 34T 3.57 2.59 2.79 , 270 UPLINK EARTHSTATION . ( Earh Stalion Dlamsler (meters} 4.5 45 \ 45 4.5 4.5 4.5 Sarth Station Gain (dBly 5.6 §4.6 §4.6 54.4 E45 5A.G Earih Stalion Stevalien Ange 22.6 29.6 25.6 2506 206 29.5 DOWSNLINK EARTH STATION Sarih Sallor Diamele: (meters} 105 145 1.50 1.G5 1.05 108 Zadh Stattor Galn (dBly 41.3 41.3 41.3 410 419 41.0 Earih Stallan G/T (dBK] 19.3 19.3 15.4 120 1280 154 Sarih Station Stevslion Ange 31.5 31.5 31.5 315 315 ME LINK FADE TYPE Hear Sky Up Faga Down Fads Clssr Sky UpFade Cown Fade UPLINK PERFORMANCE . Uplink Earth Stafion E1RP (d5w) T11 T14 T11 §1.5 51. SLB _ Uplink Path Loss, Clear Sky(18) 507.2 207.2 207.2 20712 207.2 207.2 Uplink Rein actereaation {dB) DA 1.5 0.G 80 11 . BJ Saleillis GT (CEK) D4 0.G 0.G 5.0 Eu) BJ1 Sallzman Constant (CBAVICHz) 220.6 223.5 P2&6 2386 2366 333.6 Camer Nolse Sancaicth {48—42) —55.3 5&3 «26.3 ~16.4 ~45.2 ~43.6 Upick OiH (dB) 244 231 241 24.1 231 B4.1 DOWALNK PERFORMANCE DowniinkERP per Carrier dW 35.3 3.3 36.3 16.5 16.3 16.4 Antenna Polnting Emor (dB) <1.5 "D.5 —GS —LS ; —05 D.5 Soxnink Rath Lass, Cear Sky(18) 205.2 206.2 206.2 2062 2562 2C0.2 CownriinkRain AMeraalion {dB} 0.4 0.G 06 Bd Ed CS Sarlh Station &T {dwk) 13.3 19.3 18.4 120 190 18.% Sollzman Canstant (CBWIK—Hz) 423.6 2246 2266 2254 230.6 253.6 Camer Ncise Sandaich (d8—42) ~53.5 483 —EE3 «182 . ~164 ~43.6 Downlink CIN {dB) 2.1 94 T6 a6 E.3 13 COn TE LINX PERFORMANCE__________ CM \ 244 231 24.1 24.1 231 #4.% CN Downlink {dB) §1 9.1 7.6 4.8 E.3 7.3 ‘Cd Offer links [Co—channel & IM) 16.5 15.3 150 160 160 16.0 CE Upink Adjacen: Sateife 1 o) 51.4 314 31.4 314 31.4 314 ‘CB CowriinkAdjacant Sabelile 1 (cB) © 10.7 19.7 18.7 §.3° 53 8.3 ‘Ch Uplink Adjacent Scteiife 2 fdB) 314 31.4 314 314 4 314 ‘Ci Conrlink Adjacent Sabellile 2 (dB) 12.6 12.5 12.5 11.3 1123 112 CijM+l) Composie(dBy 54 54 £T 4.5 45 39 Required System Margin (dB) 1.1 11 14 £1. 14 11 Minimumn Required C (cB) — 59 > 3.56 3.6 3.0 23 . 23 Expess Link Margia (1B) . B4 a.F [d t4 C6 EJ Number of Cal 3 3 3 360 260 201 cARrienpexeityLevers _____ C Upitk Power Density {cBWIHz) —51.6 —51.8 +51.4 —51.3 —51A. «51.6 Downiink EIRP Density at Beam Pesk ~25.0 26.0 260 ~564 —S64 —25.0 Page 68 of 93

EXHIBIT 12 HORIZONS 2 Ku—BAND LINK BUDGETS (continued) UPLINX BEAM INFORMATION . Uplink Eeam Name MEKH MEKH MEXH MEXH MEKH MEKH Uplink Precuerey (MHZ) 140014230 1400044280 120004442850 1230014250 14000—14253 14007—1425G Uplink Besm Polarczalion Hortonlal Hertzoniat Hodontal Rodzanial Horlecrial Horzontal Uplink Relalive Contaus Lavel (dB) «.5 —5.0 —£0 ~£0 ~8 34 Uplink Cordaur GT (dB/xy C.O 0.G D.G ©0 Lo D Uplink 370 (dBysmtp 7349 459 499 «6s ~5hS .9 22.0 22.0 22.0 220 20 224 Dowrlink Eaam Kame RUICY RUKY RUKY RUXY AUxY RUKW DonnlinkFreguencyfMHE) 12500127530 125810427520 A25IOA2T30 12500—12758 12800—12758 12500—42750 Donnilnk Saam Palargation werlltat verlloal weslical \ertesl Vericel veriel Donnlink Relative Cordous Level {4B} 4B —£.0 —£0 ~£.0 —50 ~§.4 Connlink Carcour ERPESW 45.G 45.0 450 46.0 460 164 San Rxs (m 22.0 22.D 220 220 220 > 22M E318 E3APE B3.149°5 31 15°2 BBAE 43.45°E. Uplink Power density «cBwIHzp ~5%0 5521 —55.0 E00 +508 ~50.5 Uplink Polarzation Advanlage(dB) o © Ed C a C Ddonnlink ENP Sensity (CBWHz) —25.0 260 360 64 ~25.4 ~25.0 ADJACENT SAfELLTE 2 Sateitte 1 Orbral Location erame Eraze 87aAs‘= STARE arAisr aTAEE. UplinkPower Density (oBWDHzp ~55.0 «550 < —5Ro ~ECil ~50.0 ~S0.G Uplnk Polanzation Adwantage(d8) D C 9 C C ~ C Coaniink EIRP density {doWHzy______ —25.0 260 361 264 —354 +25.0 Cattier 12 T 7 7 & & & Smission Destgnation iM4€GTVE IMMSGrW 1M45GIH 40IKGTIY . d4OKGrU dIIKGHU infomalion Rafs (kbpe\ BMES 514.5 6115 1825 1834 183.5 Camer Medalalion EP5K BP8K SP3K BFSK HPSX EPSX Peskso Feak Bandw@dih ¢fEDS (MHz) nz n‘a nia mwa ma m Code Rate s Ds 1.5 4S 0| ES CS Oocupled Senduict (xH2) 1288 1238 1289 307 > 307 2CF atocaled Bardwigth (kH2) 1450 1450 1480 4EQ 460 403 Kinimun CIN, Clear Sky {d3} 36D 236 210 3.40 270. 270 Minimimn ON, Rai (dB) 340 270 270 3.40 2.70 2T UELINEX EARTH STATION Sarh Stalion Olamsler (meters} 4.5 45 45 £a 1.0 11 Sarih Salion Gain (d9ly §4.6 $4.6 $1.6 42. 420 4240 Sarih Scaiion Stvalion Ange 20.6 216 25.6 255 2506 so.8 BoNnNLNK EARTH SATION Sarth Statian Dlamns 105 148 1.55 as 4.501 438 Sarih Station Gain (d8t 41.0 41.0 £€%.0 sas geeo B34 Sarth Stalion G:T {dB/K) 19.0 19.5 131 315 A15 207 Sarth Stalion Svalicn Ange < .5 31.5 315 315 MJa 15 LINK FADE TYPE Crear Sky Lp Faga DownFade Clear Sky upFaje Comn Fade UPLINXK PERFORMANCE. Uplick Earth Stafton EIRP {dvi 63.7 B3.7 637 EO 4nd 10.0 Upink PathLoss, ClearSky(dB) 207.2 207.2 2I7.2 207.2 2072 207.2 UplickRein acleraaticn {dB) CA 1.5G 0.G pad 10 £Q Saleillis GT (CEVK] OB 1.G d ©0 Eo ED saltzman Coretant(CEWIK—Hz) 2325.6 223.6 , 2225 2366 26 2204 Camer HMclse Sandaioth {dB—H2) «529 ~5B9 —EBo +54.9 —19 48 Upink OB f4ay 241 234 244 E.4 Sue DOWNLINK PERFORMANCE Donanlink ERP per Carrier fds¥i 38.9 23.9 24.0 s33 Anleana Pointing Erro: (d8) ~0.5 «45 —L5 ~CL5 iDonnlink Pain Lass, Clesr Sky (dB) 205.3 205.2 2062 2tEB Downlink Rain acteraalion {dB} Td 0.G D.6 ga Sarih Salion G/T (d5K) 19.0 19.G 181 316 Ballezman Constant (coWIK—Hz) $33.6 223.5 22566 2tie Camer Nelse Sandaicth {dB—H2j ° —50.9 5B9 —ED9 —mi9 Donplink CN (dB) ga 8.6 T3 207 COMPOSITEL PERFORMANCE CiN Ugink {dB) 224 23.4 241 54 CimDownlink {d8) 64 8.5 T3 2G7 CibOlher Hinks (Co—channet & IMp 15.5 16.G 15.0 16.0 C UplinkAdiacent Sateille 1 (dB) 31.4 31.4 31.4 116 136 Cit ComniinkAdjacent Sateilile 1 {d8) q3 2.3 9.3 255 25.5 ‘Cit Uplink Adjiacent Ssteille 2 (dB) 31.4 31.4 31.4 1256 t3§ Cit Conniink Adjacent Sateillle 2 {d8} 11.3 11.2 112 26.1 26.1 CN+!] Composte (dB) 45 45 38 4.5 &8 RequlredSystem Margin: (dB) 14 1.3 14 11 11 Minitim Requred C(tB) 34 2T 2f 27 Excess Link Margh (dB) 0d [dra 0.4 ©0 BG BF N 24 24 24 90 \E0 Uplink Powar DRensity (CBYPHzp —51.5 13 13 —56.8 ~55.4. —55.6 Coaniink EP Density al EeamPssx. —25.0 260 268 ~26.7 ~26.7 —26.7 Page 69 of 93

EXHIBIT 12 HORIZONS 2 Ku—BAND LINK BUDGETS (continued) UPLINX BEAMINFORMATION: _ sls Uplnk Eeam Name MEKH MEKEH MEKH MEXHK MEKH MERH ‘Uplink Frequency (MHz) \ t37EC—34530 197E0—425C0 137E0—12500 13730—14208 13750—14503 1375]—14500 Upink Seam Polarization Harizontat Hortzoniss Hodzontal Hocdzanial Horlzcrial Horlzcolal Uplink Refative Contour Level (dBj 5.5 «5.0 —£.0 ~€0 ~<G 44 ~ |Uplink Contour G/T (dB/k)p od o.d 0.5 £0 Lo EO Uplink SF0 (dBMAim‘} _ 739 T89 489 192 748 T9.4 Ra : hfi_______ L2 22B 22.0 22.0 220 220 128 g EAM INFORMATION © Donnlink Eeam Name MEKY ~_ NEKY MEKY MEKU MEKW MEKV 1C@st—11230, 10920—1220, 10950—11200, 10360—41200, 10850—11208, 1958—11208, Dontilnk Froquency [MHz) |. €1450—11700, #480A1720, d1420—14700, 11480—11700, 11450—11703, 11438—13708, 1251012780 1250012720 125C0—12750 12500—12753 12200—13750 12500—12750 Doanlink Bsam Polarzalion verllogi werlical NVedical vertest \erical Wericed Dontlink Relative Contaur Level fdB} —S.G ~4.0 —£.0 ~£.4 ~64 —4.4 Soatiink Cartour EIRP (dBW!) 45. 45. 46.7 2467 467 46.7 Ran Rate (mmhr) 22.G 22.0 22.0 220 220 224 ADJACENT SATELMTE 1 Sateilis1 Orbrs! Localion > EM15°T E5149E 63.19°— 33199E S3ASE 4219E Uplnk Power Density (cBWIHz} ~5%.0 ~5B0 ~EmD ~504 —500 ~50.B Uplink Polarizalion Advantage (dB] a & & 5 C C Oounlink ERP Sensity(dGWHz} +250 260 360 «36. ~35.0 —55.B ADJACEMT BACELLTE 2 Bateillls 1 Orbiial Location. E7.19°C E719E 67.15°Z STAME ° a7A1SE 4715E Uplink Power Density (oBWiHzp ~5%.0 —5500 —5E0 —50.0 +500 ~80.0 Uplink Polarization Advantage (d8) d t ud 0; m ~op a a Doanlink ENP Densty(dSWHz]. —25.0 260 260 ~16.0 ~35.0 ME CARRIER INCORMATION Catier 1D . 1 i t 3 3 3 Smission Designation 2aMOFer SSHDFSF SEMIFSF TeMGIW TeMIGTW TemMIGTN Infomation Rare fbpe} r/a a‘s fila 55500.3 S5500.8 $55313 Camer Mcchialion: TAFWi THFHM TUIFM CPSK CGPBK QPSK 5 Feak Bandwidin of EDS (MHz} 4.4 4B, 45 ma Ria ma 2 . nz n‘ nia 45 ts ts Oocuipled Send¥icth (¢Hz) ~ 36000 263C0 35000 60265 SI25G GLGSs Mosaled Bandaten (iz) 36030 6ICO 35000 T2CQD T2003 T200E Minimum CN, Cear Sky {d3y 1040 10.20 10.50 325 331 3.36 Minimum C/M, Rab (d8) 100B . . 10.C0 10.50 3.35 3.55 A3s UPLINK EARTH STATION Sarih Stallon Olamaler {meters) .5 4.5 45 4.5 4.5 4.5 Zanh Scalizn Gain (dBl) §4.6 54.6 54.6 54.5 €4.5 54.6 Sarth Siallon Stevation Ange © 23.6 21.6 25.6 256 296 29% BOWNLWHK 2ARTH STATION________________ Sarth Stalion Olamsler (melars} 124 124 1.24 1.24 1.24 1.24 Sarin Siallon Gain (dBl) 41.7 A1.7 . L.T 417 41.7 17 Sarih Stalizn G/T (d5/) 191.7 19.7 12.9 127 187 10.3 Esrh Stalton Svalion Ange 23.6 23.6 23.6 226 286 20.6 LINK EADETYPE : Clear Sky Lp Facs Down Fads Clssr Sky _ UpFads Toxn Faie UPLINX PERFORMANCE Uplink Sarth Station SJRP (dByT) 73.2 T32 T32 779 77$ 77.3 Uplick Path Loss, Clasr Sky(d8) 507.2 207.2 207.2 207.2 2073 207.3 Uplink Reln Adenuation {d9]1 CLO 1.G 0.G ' 2C 141 ' Eo Ssteillls GT (cEK) Cd D.G 0.G 40 EJ EQ Saltaman Conetant (CBAW/K—Hz) 225.6 223.56 226.6 2265 236.5 225.5 Camer Mctse Sancwicth {d8—4z] ~56.0 S6.0 +E6.0 TiA —T7A —77.86 Uplink OMMBN_________________L____ 234 27.4 25.4 216 204 #14 O doanlink ERP per Carier {dS97) 39.0 30.0 3%.0 43.8 438 43.4 Antenna Polntng Emo: (d6) 415 "L.5 CS —LS —CL6 «05 ‘OoanlinkPath Loss, Cear Sky{d8] 205.5 205.5 315.5 215.5 2LG.5 205.5 Donniink Rain Aiteraation {dB) CLG 0.G 0.S 20 RQ ES Sarih Stalion G/T (dBK) 19.7 19.7 15.9 187 12.7 168 Solteman Coretant (CBAUK—Hz) * 225.6 220.6 R2ES 2355 220.6 223.6 Catier Nclse Sanchnicth {dB—2) ~55.0 S€.0 [ +660 T18 ~I74 o6 Cowriink CM {d9) 15,2 15.2 129 8.3 E.3 E9 COMPOSITELiNXPERFORMANCE____.____. Cinl Uslink (48) 28.4 27A 28.4 21.4 Sut #14 CiN Dowalink {dB) . 15.2 15.2 139 4.3 E.3 69 Cit—Oife: links (Co—channe} & Ih] 22.5 22.0 22.0 24.0 24.9 BA C Uplink Adiacent Seteille 1 (B) . 35.7 35.7 35.7 2687 267 26.7 Cit ConniInk Adiacert Sateiile 1 (dB) 17.& 17.5 M 17.5 106 105 106 CA Uplink Adjacent Sateille 2 (1B) 35.9 35.7 35.7 267 267 26.4 Cit Cownlink Adiasert Sateille 2 {d4B) 19.7 19.7 19.7 127 127 127 CIN+) Composte(dBy ' 11.6 11.7 111 5. 5.1 45 RequiredSystem Margin(d8) 11 - 14 1.1 11 11 11 Minimum Requred CN(cB) 10.G 10.6 120 _ 24 3as B4 Expess Link Margin (1B) d > 0.6 uC T EF [clal Mumbker of Cardsts 2 2 2. 1 1 1 CARRMIER DenSiHy LEweLs______________ b L ' Uplink Power Density(cBwWIHz} ~ ~1.5 ~7.5 ~17.5 ~B4.5 ~64.5 ~545 Connlink ERP Sensity al Ceam Peak. ~1240 150 _ 80 _ ~26.0 —26.40 ~35.5 — Page 70 of 93

EXHIBIT 12; HORIZONS 2 Ku—BAND LINK BUDGETS (continued) UPLINK BEAMINFORMATION — un Uplink Eeam Name MEKH MEKH WEXH ‘MEKH MEKH MEKH Uplink Frequarcy (MHzy TBrEC—14580 197E0—14EC0 437E0—14500 13750—14ME08 1375014500 13750—14500 Uplink Easm Polarizalion: Horgonlat Horzontal Hodaontal Horlecnial Horlzon‘al Horlzental Uplink Relshve Conlzue Lavel (dB) ~3.0 —1.0 —E.a ~819. ~64 84 Uplink Corigur GIT (B/Xp C.G 0.G 0.G ©0 C.d Eo Uplink SFD (dBVeim®} +739 «T29 T99 198 —?9.9 739 Ran Ratscominr) 22.5 22.0 220 220 220 320 DOAWNLINK 81 R Cownlink Easm Name MEKV MExy MEXV mSky MEKV MEKW 1G950—H1200, 1COSC—M12C0, 10350—11250, 103e0—41200, 10850—11208; © 11853—11203. downlink Frequency fMHz) HMSCAMTIG, HeEEA17EG, M4E0—117E0, 1148041709 11450—11708, 11450—11708, fesHC42720 125L0GA27E0 12520—12750 i2s04—12753 12500—12758 12500—1275B Downlink Eaam Polartzation. verllcal verlioal Vesllcal vertcal Vericel Verliccl Cownlink Relative Contsue Lavel {4B) 8.5 —5.G —£.0 —£0 ~5t 8A Downllnk Coriour EIRP (dBWY 5.7 d43.F L5.7 ce 46.F 46.7 Ran Rats (mmuhr) 22.5 22.5 22.0 22n 320 328 ABJACENT SATELUTE 1 Saleiills 1 Orbial Location faig@ E3.15°C 83.345°C $215°E saiize 4315°2 Uplink Power Density (cowiHz) ~52.0 ~50.0 ~22O ~E0Sb —E0d ~50.0 Uplink PolarzaHon Advantage (1E) d po & t o 0 contlinkENP Bensity(dBWhHe} ' ~25.0 ~26.0 360 ~26. 350 ~25.5 ADJACENT SATELLTE® Satellits 1 Orbiral Losation E715E E7 15°C 67A5*Z arise 712E arise Uplink Power Density (cBwWiHz} ~58.0 —5G.G ~EE8 —50.¢ ~50.¢ —s0.0 Uplink Polarization Advantage (d8) 0 a t 0 a Cownlink EIRP Renstty(@BWHz) —25.0 260 260 ~25.0 —35.0 Camer 1J 5 5 6 6 Emssn Deslgration 10MICFU 10M5GnN —aonserw 101KGriY 100KGrV MIKGTH informalion Ra:s (Hbpe) §228.0 E2400 E2400 Thé TDA T04 Camer Medulalion GPSK PSX CPSX CPSK GPSK QPSK o Feak Bandu(dih of EDS (MHz} nz mx qiz nia Tu® ha Code Rabe CL.S 0.5 0.5 45 tus Oocupled Sandaicth (ihay Efid 6r94 75 Ts aFocalsd Bandatot (KHz) 10300 103CG 120 101 Alnimun OM, Cfear Sky {d3) 387 357 253 273 \ fadit, 347 357 E73 arth Stallon f:)lamsle?(ri‘ lers} h Stalton Gain (dBl) ‘B1.6 nin Stallon Stvalien Ange 216 BOAMLINK SARTH STATION Zarih Stallon Olsmeler (meters) 128 128 122 Nonk Bror+ 9 10 m (S N or Broc* ; a 2Bo nin Stalion Gain (dBt) 42.0 42.G A1.6 ob C O 0i d Sarin Stallon GT {d5K) BC 216 164 i2 Sarth Stalion Stvalion Ange 21.6 22.6 $9.5 LINK FADE TYPE Ctear Sky up Fage Down Fads Clsar Sky Coan Fate UPLINXPERFORMANCE__. Uplink Earth Staton EIRP {dBWH 68.4 63.4 6a.¢ 469 469 16.9 Uplink Path Loss, Clasr Sky (dB} 207.2 207.2 217.3 2072 2072 307.2 Uplink Rein «cterastion {d8) CLB 1.5 0. 40 BA Ssiellis G/T (cEK} CLB A.G o5 ©O Eo CA Sotteman Constanl (CBWIK—Hz) 426.6 225.6 2266 2256 2064 2305 Camier Solse Sancaicth (dB—42) ° +53.3 «563 «5B3 ~15.9. —48:.3 ~43.6 Uplink C [ 214 MA 21.4 21.4 P 214 SONNLINK PERFERMANCE Downlink EBP per Carter {dSvr 34.3 34.3 148 1138 14.A Aanteana Poining Emor (d6) ~01.6 —1.5 L3 DE ~0.5 Downlink Path.Loss, Clesr Sky(4B) 205.5 2055 2ISS 209.2 255.5 Downlink Rain Altercalion {48) 04 0.G Lo . d [S Sarih Szalion G/T 5K 20.0 20.G 125 196 164 sollzman Constanl (cBMPIK—H2) $25.6 225.6 2255 226.6 225.6 Camer Scise Sancaicth {dB—H2z) +51.3 «56.3 ~40.9 ~46.4 45.6 Downlink C‘N {dB3 &4 8.6 4.1 l 6A . COMPOSITELINXPERFORMANCE____ CM Uplink {d4B) 21.4 20.4 21.4 204 #14 CM Downlink{dB) 6.6 $.6 811 ,E1 6A Cit—Othes links (Co—channel & Ih4) 15. 15.0 160 te) 164 C uplink Adjacent Sstelite 1 (B) 23.7 20.¢ 267 26.¢ 26.7 C Coaniink Adjactert Sebsilite 1 (1B) 12.1 121 49 29 2o C Uplink Adjacent Ssheiile 2 (dB) 28.7 25.7 267 28F 264 C ComniickAd|atent Sabeilite 2 {cB) 12.6 12.6 122 122 122 CIN+D) Compasis (dB) 5.4 45 4.5 39 Requlred System Margin(d8] 13 11 1.1 111 Minimum Regured CN (cBp 3.6 20 238 23 Sxcess Link Margin (dB) O.7 A4 CS o MNumber of Carters 4 730 730 7231 CARRIERbenisiyCevers:_ Uplink Power Denstty {cBwPHe} ~54.5 —Bae ~54.5 o in [> i9 in + 60 ® Downlink EIRP Censttyal Beam Paak. —26.0 25.5 Page 71 of 93

EXHIBIT 12: HORIZONS 2 Ku—BAND LINK BUDGETS (continued) UELINKBEAMINFORMATION_ Uplnk Eesm Name MEKH MEKH MEXH MEKH MEKH MEEH Uplink Prequercy (MHzk torED—A14510 13750AEIC 137E0—14500 13750—14E00 13780—14598 13750—14500 uplink Eesm Polarzatisn _ Hermonlat Horeonlal Hodsontal Herzanial Horlzcnial Hortzcalst Uplnk Relative Contou: Level (B] ~3.G ©—5.0 +&C ~CG ~64 ~3 Uplink Ccriour GIT (dB/K) 04 d.G C.G 4.0 BJ o ‘Uplink “\-D (BWcn®} ~74.9 729 429 +859 ~539 23.9 225 22.0 22.0 220 220 220 BCNNUNEK:BEfiMNFORMATON Downiink Eeam Name MEKY MEXY MERYE MEKV MEKA MEICYS TBQSE—f1230, 109E0—12E0, 100E0—11200, 10350—11200, 10850414200 1495041200, Donnlink Frequency (MHz} 1450—41700, MAEDAMFEC 14501 1700, 11480—411700, 11480411708 1145041708 2500—12750 125E0A127E0 1250012750 12500—12750 12500—12758 12500—12750 Connlink Eeam Polarzation verllsal verllcal Vedical verfcal Yerical Vericet Donnlitk Relative Contour Lavel {4B) ~3.0 ~4.0 —£0 —£.4 —6% ~5.G Donnlink Corfour EIRP (dBW) 5.7 45.7 4B.7 467 467 16.7 Ran Rete {mmkT) 220 22.0 22.0 220 220 220 ABJACENT SArELETTE i — Satelllis 1 Orbifal Losation €5.15°C ~ €3.45°2: £3.45°5 8315°E \ $3A5°E B215°E Uplink Power Sensity(CBNiHzh ~50.0 ~550 ~55.0 ~ECO ~510 ~SI.G Uplink Polarzaton Advanlags (d8) a # & C 6 p Downlink EIRP DensttyidowHz} —25.0 ~260 260 ~26.0 —35.A ~25.5 ADJACENT SArELLTE2 Sateillls1 Orbiisl\Location ETA5E E7ASE E7.45°Z S7.A15°2 S7AEE 472E Uplink Power Sensity icBwIHzp ~540 «554 —EBO ~50LO ~50. ~50.5 Uplink Polarzaton Acvantags (dB) o > © & 5 o 6 Donniink EIRPDensity {dSWHzp_ . —25.0 2640 360 260 —25.0 —35.5 CARRIERINFORMATION Catier id T . T T & 5 6 Emission Deslgration 1M4SGTHT 1MISGSrME 1MISGIM 4OfKGri ddIKGTUF 4IEKSFTH Information Rae (bpe) E145 614.5 61.3 181.3 183.5 1835 Cartier Mcdhialion EP5K SPSK SPSK BFSK BFSK BPSX PsaX o Feak Banduidih of EDS (MHz) na nz ma nia réa ma Cods Rate CE 0.5 0.5 TS CS EuS Oocupled Serdaisth (¢{z) 1229 1228 1229 307 2C7 207 atocated Barciaigm (KHz) 1450 1450 1480 450 450 400 {Mtinimunt C/N, Clear Sky {05) 34D 270 270 3.40 2.71 270 Minitmun.ON.Rain(d8). ___ 340 270 230 3.40 270 27 UpLIN® EARTH STATION Sarin Station Olameter ({melers} d.5 4.5 45 1.2 12 12 Sarin Staltion G3in idBt) .6 .6 34.6 433 433 43.3 Sarh Station Stvalion Angle 226 22.6 23.6 255 205 29.E RDOWMLINK EARTH STATION / Sarln Station Olsmater (melsrs} 122 122 122 4.50 4.51 4.50 Sarh Station Gain (dBl) 41.5 C «18 41.5 §23 5o 529 Sarlh Sialion G/T (da/ky 19.6 16.6 11.8 5B9 309 20.4 Zanh Stalion Stvalien Ange 226 216 24.6 elst=] 206 S95 LINK FADE TYPE Clear Sky Lp Fage Dewn: Fads Clsar Sky UpFads Cown Fade UFLINX PERFORMANCE Uplink Earth Stfion EIRP (dsW 61.G 61.0 51.0 4BA 40.1 40.f Uplink Path Loss, Clear Sky (dB) 207.3 2I7.2 207.2 2072 2072 207.3 Uplink Rainfersation (4B) c 1.G 0.G ©O 19 ED Salellits G.T (cerKk) C4 C.G 0.G C CJJ CJJ sallaman Conetanl (cCBAIK—Hz) 225.6 223.6 2266 23665 230.6 305.5 Cartier Mctse Sancwicth (dB—Hz) +50.9 _ —aLbe —EBG s < 549 ~54.9 \|UpIRk CN fdB) 21.4 * 214 21.4 &5 €.5 DCWNLINK PERFORMANCE Sonnlink ENP per Cartlar{dSW} 25.9 2.9 26.9 200 200 200 anlenna Pointcg Emo: (d8) ~1.5 L5 "Ls —Ls —D.5 ~1.4 Donnlink Path Loss, Clear Sky [4B) 205.5 2055 2055 205.5 205.E 205.5 Downlink Rain stereialion {dB} C 0.0 0.5 20 CJ) CS Sarin Stalion G/T (dB/Ky 19.6 19.6 14.6 30.9 209 20.% sallzman Coretant (cBWNK—Hz) $25.6 225.6 2265 2386 200.6 233.6 Cartier Nolse Sandwicth {4B—42) —5%.9 —5Lo —5B9 +512 —54.9 ~S4.9 Downiink CN (dBh 81 81 5.6 16.5 tes 17.2 ‘PERFORMANCE_________ on Uplhk [dB 21.4 20.4 21.4 5.5 &6 E5 Cim Couniik fdB) 6.1 81 5.5 186 t6s 17.3 CI—Offes IInks (Cco—channel & IMj 15.5 15.G 16.0 16.0 1641 16.0 CA uplink Adpcen Satetite 1 (dB) 25. 25.¢ 24.7 123 13.3 138 C Conrink Adjace 94 9.6 9.56 226 226 326 C Uplink Adjacen: Setelite 2 (dB) 25.7 28.7 20.7 138 123 155 C Coarink Adjacert Setelile 2 {48) 121 12.3 121 23.1 23.1 254 CMN+!) Compsere(d8) 4.5 45 , 3.6 4.5 49 4.4 Required System Margin (4B) 14 141 13 111 11 11 Minimum Requied CA (cB) 34 2.7 2.7 44 27 27 ZSxoess Link Margin fB) COd a.r 0.G 40 B1 B6 Numbter of Carls 43 43 4G $€0 120 180 CARRIER CeNSITY LEVELS Uplink Power Sensity {oBWIHz) —5.5 ~54.5 —E4.5 «584 —53.0 ~53.G Sonnilnk ENP Sensityat Eeam Pesk ~25.0 26.0 236.0 +26.9 —359 —%6.5 Page 72 of 93

EXHIBIT 12:; HORIZONS 2 Ku—BAND LINK BUDGETS (continued) UFLINKBEAMINFORMATIONM.—.__._.________ Uplnk Besm Name MEKY MEKY MEexy ‘ MEKW MEKV MEKW a 13750—44000, 13780—14000, 137E0—44800, A137E0—A4E00, 13780—14000, 13750—1400%. uplink Freguercy(MHz} ) 1425D—14300 d42E0—4e500 defeo—e800 de2s0—14808 1428044500 14950—f4500 Uptink Seam Polarcafion: erlical verlloal Verflcal Veitcal wericad verlical Uplink Relatve Contaur Level (dB) . ~13.0 ~100 150 ~1008 ~10.8 ~10.B Uplink Contaur G/T (dB/ky <o 1e 40 +109 40 ~18 —14 Uplink S7D (BVAm®p ~TL6 T6B T68 ~ECL4 ~E0:8, ~50.6 Ran Rets (mrathr) 22.0 220 22.0 220 #20 2240 Domnlink BeamName: MEKH MEKH MExH MSKtH MEKH MEKH . 1BeSp1205, thosb—1200. 10950411200, 10380—12c0, 105§04 1208 desmims, Domwnitnk Frequency (MHz} respAnrco MeS0A4A700 H4s0—700 11480170800 1 fasd—3700 d4430—70p Downlink BesmPalartation HartzoniaE Hortzoniat Hodzontal Horzanial Honlzcrial Horlzonial Comniink Relstive Coniaur Level{4B) 3. —4.0 —£0 . +£0 50 64 Downlink Contour EIRF(dew)y 7.3 47.3 13 47.3 47.3 47.3 imnath C 22.5 220 220 220 220 228 E3.iseE s3z e3as® enise BH15E 4212E Uplink Power dencity(CBMIHzp —5%.0 —5BO —5B0 —50.0 E0X —mM.G umrx Polarzation Advantagei1B) o Bd & B o 6 en SWHz) —25.0 260 —26.0 ~B6u0 —350 20 tsR Sslefifs 1 Orbiial LD..aflon ETA5%E E745E erase aFAsE BTAEE aT15E Uplink Power densityiCoWHz] > —55.0 5Lo Bsb —ECuit —508 ~50.5° Uplink Polarzstion Acvantags 46) > 0 & C E C 0 donnlink ENP density(@SiWHzp —26.0 260 364 —~56.8 —350 ~25.B CARRIERINFORMATION D22 Carmier 1D 1 0 t 2 2 2 Emleston Designalion > asMOESE 3SMHOFSF 3EMIFIF H2MIG7A 1f3MIGrY 112MEGTW informalian Rate (kope) — ~ wa n‘z nia earoa‘a careals 36304.3 Cantler Mcdulation TAFM TAPM THFM CPSK cosit arsk Pesk :o Feak Banduidih ofEDS (MHz) 40 45 £.B nfa ra nia Code Rate na nz niz £s 26] Bus Oocupled Sandwicth (¢Hz) 25000 36500 ssita qaray 93747 astey Atocaled Bardaion (<2) 36010 s60E0 3ILO 112502 112008 113008 Minimum Ch, Cear Sky {d3) 1040 10.CO 10.50 335 3.35 as6 Minimun CN. Rak (dB) _ 1000 10.C0 . 10.ca 3.34 335 .36 UFLINK EARTHSTATION ' sarih Station Dlameler (metsrsy «5 45 45 45 4.4 45 sadh Station Gain (dBly .7 54.7 34.7 BA7 E4T E47 Earth Station Stvalion Angle 23.6 20.€ 25.6 20.5 255 $96 DOAWNELINK ZARTH STATION . Sarin Station Olemeles (metars} 126 126 1.36 136 135 1.25 Sadh Station Gsin (dBt) 41.8 41.6 418 418 41.3 41.3 Sarh Sialion GIT (dBK) 19.9 128 11.0 124 in3 . 162 Zarlt Station Svalion Ange 22.6 29.6 25.6 2526 2485 19.E LINK FADE TYRE m : Clear Sky Lp Faga Down Fads Clssr Sky UpFaie Down Fade UELINX PERFORMANCE: — — Uplnk Earth Shion SiRP (dave xi T5F TET Th 7684 koel Uplink Path Lass, Clesr Sky(19) 207.3 27.3 217.3 207.3 207.3 2E7.3 Uplink Raln Acteraiation (cB] fut 0.5 0.G 5.0 B3 BA Ssteilis GIT (CB/K) 4. —L0 > 10 49 14 14 sallzman Conetant (CBWHK—Hz) 229.6 225.6 265 2266 2366 253.6 Caner Nolse Sandwicth (dB—H2) —55.0 «566 10 ~56.0 197 1797 —r2F UplinkCiN(48) 23.8 23.5 238 188 173 184 COANNLINK PERFCRMANCE. Domnlink EIRP per Cartier {dBvr) 30.0 33.0 33.0 «&T 487 457 antenna Pointing Emor(ge) 15 —15 —Ls Eu5 £JG EJC donnlink Paln Lass, CearShy (dB) 205.5 205.5 2s3 205.3 205.5 205.5 Donnlink Rain Attaraialion {dB} D4 0.G 0.6 40 EG CS Sarih Salion G/T (daky 12.9 125 120 128 123 182 scllzman Coretant (CBWIK—H2) 523.6 221.6 2266 2366 235.6 2336 Cartier Nelse Sandwicth {dB—H2) —5£.0 560 —E6.0 497 —79.7. —79.7 Ddomnlink C‘H (dB) 154 154 129 20 A4 E4 ' E64 COMPOSITELiNXKPERFORMANCE___.____._._ C Upiink (d9) 208 33.8 23.5 o 188 17.3 164 CiN Downliak (dB) 15.4 154 128 2. E4 6a C Ofher links (Co—channel & Ih) 2.5 ME 20.0 240 i0 240 340 Cit UplinkAdiacent Sztedile 1 (Bj 33.3 31.3 34.2 27.2 272 272 C Downrlink Adjacent Seteilile 1 {48) 13.2 18.3 15.2 111 11.1 11.1 Cit UplinkAdjacent Setelile 2 (B) 33.3 33.2 31.2 27.2 272 ferie C Cowniink Adjacent Sateilile2 (cB) 19.6 126 126 126 28 126 CiN+l) Compasis (dB] 11.8 11.8 B L2 52 45 Required System Margin (dB] 1.% 14 14 11 14 42 Minimum Requred C(cB) 10.0 10.G 120 24 as as Excess Link Margh (dB) ox o.F a.G 46 B7 B NumbterofCarters 3 30 3 1 1 1 UplinkPowernensity{CBVIHEp +454 —<54 4541 ~5641 —56.4 C +55.1 Donnlink ENP Density al Eeam Pss —12.0 ~153 1580 164 —S6.4; —25.5 Page 73 of 93

EXHIBIT 12; HORIZONS 2 Ku—BAND LINK BUDGETS (continued) UPLINKBEAMINFORMATIO 4n l — Uplitk Seam Name: MEKV MEXY MEXKV MEKV MEKY MEKY 13750—14000, 1375044000 137E0—A4000, 13780—A44000, 1378044000, 13750414008, upiink Preguency (MHz) 1428044300 d4204eEE0 4428044200 1e280—14800D A42§H—44508. _ 14250—f4590 Uplink EeamPolarcalion Verlleal werlcal Nedical verfeal \ericst Vericed / Uplink Relalive Contaur Level (18) \ +120 ~1RD ~1500 ~10.0 ~10.0 ~10.5 Uplink Confaur GiT (dENKp ~1E L.Q ~1.0 ~10 ' ~1.4 14 Uplink SFD (dBWm*f ~T5.6 «76.3 163 ~156.3 764 T6.6 22.5G 22.0. 22.0 220 220 224 *Bo’.\rllnk Easm h‘fi'ne MEKH MEKH MEXH /0 mekk MEKH MERH multge TCest—H1200. fDoEDAH2LO db950—11200, 1038041200, 10§50—1208, 12950—11208, Downlink Proguancy (MHz) 145D—AA7EO 14804720 48041700 11450414700 1148043700 1448004780 Downlink Besm Polsreation. Hortonial Hortzontal Horlzontal _ Hoczanial Horlzontal Horzoatal Downiink Relatve Contour Level f4B} 3.G 5.0 —£.0 ~6.4 6 . ~84 Downlink Camour EIRP (dBW) 47.3 47.3 41.3 47.3 473 47.3 Ran Raee (mmihr) 220 22.G 220 220 220 220 Sabeiflis 1 Orbial Location E3.15°C €3.15°C 63.15°2 83.15°E 83.15°E a319E Uplink Power Density (CoWIHz) ~510 ~5£9 ~EBA ~E0.0 ~E0.0 ~$D.5 uplink Polatzation Advantage(d8) a # C D a 6 . |Boanlink EIRP density(d5WMFizp ~25.0 260 3680 ~25.0 ~25.0 ~25.5 ADJACENT SATELMTE 2 ‘ c + Sstellls 1 Orbral Location E7.15°C €745°2 BrAS*Z — §7.15°E 87.12°E 475E uplink Power density (CBWIHz) +50.0 ~509 —EB09 —Eod ~E0.0 501.5 Uplink Polarzztion Advantage (dB) a a # [d a a Dontling ENP Sensity{dowHz} ~25.0 «260 268 ~36.0 ~368 —25.0 CARRMIERINFORMATIOCN_ L222 0 Camer 12 5 E & & 6 > 6 Smission Destgration 10MEGFI IMSGrM 103GIW 100KGrY 10IKGrU 11CKGrW informalisn Rate (bre} #23°1.0 B22DD EMRO TDh& Th& Kide] Catier Medulaliar: QPSK UPSXK CPSK CPSK CGPSK GPBK Peskto Feak Bandetdih cfEDS (MHz) ' ria nz nfg ~ . na rnia ma Cods Rabe CS 0.S5 0.5 4.5 CS CS Oocupled Sard4ict (<H2) Erfi grra . 6771 76 75 75 Atocated Barklaic2 10300 102C0 10350 110 120 103 Minimun C/N, Cear Sky {d:'l S47 5.57 3.57 2.99 — ZT9 273 Minimun ON, Rab (B) N 537 5.57 3.57 2.93 279 279 UPLINXEARTHSTATIGN Zarth Statlon Stan { LE 45 45 4.5 4.5 4.5 Sarih Stalion G3in (dB!] 5K.T 54.7 §4.7 54.7 E4.T E.7 Sarin Statlon Stvalion Ange 22.6 M 23.6 20.56 205 255 290.§ 2OANLNK ZARTH STAION — ‘ Sarth Stallor Olameler (metsrsy 128 128 1.39 1.233 1.23 123 Earth Stalitn Gain (481) 42.5 42.5 €3.0 415 416 41.6 Zarlh Saalion G/T (d5K;y oalld 210 122 125 126 16.7 Zarih Stalion Svalion Ange 29.6 23.6 226 226 296 20.5 LINK FAD= TYPE : i Ctear Siy Lp Face Dawn Fads Clasr Sky up Fais coxn Fate UELINX PERFORMANCE Uplck Earth Station EIRE (dBW) TD.S TiR 789 514 E4.4 514 Uplick Path Loss, Clesar Sky(dB) 207.3 207.3 MF3 207.3 207.3 207.3 Uplnk Rein Acteraiation {dB] — TB ns 0B £.O EJ EQ Satelllls GIT (CK) 16 1.0 19 ~10 18 c ~14 Sqlleman Constant (cEWiK—Hz) 225.6 225.5 2256 2266 226.6 228.6 Camer Nclse Sanciicth {d8—H1z) +51.5 ~SES ~EAs > ~15.9 ~18.8 «18.6 upinkOM 4Bi_____________ 10 22.6 21.6 216 228 213 224 DOWNLWNK PER:-ORIMHCE Downiink EIRP per Carrler {dSVi 34.3 34.3 34.3 14.3 14.3 14.3 anteana Poining Emo:(dB) ~L6 —1.5 —Ls —L3 Gl5 ~O.5 Oownlink Path Coss, Clear Sky{dB} 205.5 208.5 2125 215.5 255.6 205.5 Donnlink Raln Aftsraislicn {dB) . 08 1.G .6 40 Lo . Lo Sarih Sialion G/T {dBK) * 21.0 20.5 122 125 185 16.7 Salleman Constant (CEWIK—H2) 223.6 223.6 2285 2255 2360% 228.6 Cater Nolse Sarciwicth [d9—72) +59.3 §E3 +B6.3 ~48.8. 18.3 ~48.6 downink C/N(dB) : be 8.6 TA 4.1 E4 E7 COMPOSITELINKPERFORMANCE____ C Uplink {4B) 22.6 21.6 22.5 22.3 218 424 Cim Dowolink {dB) 8.5 5.6 TA §1 E1 ET Ct Olfes links (Co—channet & IM} 16.5 15.0 16.0 160 160 164 Ct Uplink Adjacent Sateiife 1 (dB) 31.3 31.2 31.2 312 Kake] 312 CiT Coariink Adjacent Sateillfe 1 {48) 12.2 122 12.2 1k0 1kQ 100 Cit Upink Adjacent Satetile 2 (dB) 31.2 31.2 31.2 312 412 M C Connriink Adjacent Sateilite 2 (cB) . 12.6 126 125 123 t25 123 CAbNHI: Compoets (dBy > ' 54 5.4 47 46 4.5 39 Required System Margin (dB) 1.4 11 11 41 11 11 Minimum Requred CN (CB) 38 3.6 5.56 20 25 28 Excess Link Margi (dB) 05 0. D.G ©5 BF EJ 19 18 1G 1120 1120 t12D uUp: m +521 521 «52. —E2.f —52.f —52.4 Dontiink EIRP :Enslr- atEeamPssk —25.0 —26.0 263 ~36.4¢ —26.4 ~25.5 Page 74 of 93

EXHIBIT 12: HORIZONS 2 Ku—BAND LINK BUDGETS (continued) UPLINK BEAM INFORMATION.___.._____________ > Uplink Beam Name MEKYS MEesy mss MEKW MEKW MEKV . > tBrBb—4ont, t3rEbAdoto. adrko—egto, dayea—feto0, Aovsa—4ton, da7s—4cad, Uptink Frequancy (MHz) i2BpAISEO d42eqa4eEE0 de2E0—44E00 44280—14808. d4ssd44800 dagsf—bsit Uplink Basin‘Polarzation verllsal verlipal Nedlcal ertesl erical ~Verlice! Uplink Relakve Coniaur Level (B) 140 180 103 04 00 ~10.0 Uplink Coniour GiT (dB/k} 4.5 140 410 49 18 418 Uplink 5°D (dBvgon®y The Ts T68 c2a —co4 es San Rels (mmibry__________— s2.0 25 22.0 220 220 smq DOWNL SEAM INFORMATION , Downlink Basm Kame . MEKH MekH wexH mexH MEKH MEKH . l {bested2dt. {cosbad2co, 40920—280, doaso—4200, dosso—dsad, ddesn— z09. Sownlink Frequency (MHz) mespAdyed desoad7to plaspai7oo ddaso—od dtasd4 4708 1430790 Oownlink Eesm Polarzation. Hatecatal Horzontat Horlzontal Hodagnial Ronlzontal Harlzont3l Oownlink Relstive Contour Level {4B) er —4.0 —£0 «£1 80 44 Oownlink Conour EIRPUdENY 47.3 47.3 e73 47.3 ar3 c ar3e 22.G 2L 23.0 2an 220 sen Eaise enize s3igs arize aaize saize —smo sBo —4Bo —c0um —s00 —51.0 UplinkPolanzsiion Acts 7 a 2 B c a a doanlinkENPDensty (GSwrezp 250 260 #£0 cBG . zon 25.0 ApJACENT SAfELLTE3 _ f Bateillls 1 Orbrial Location srize erase sraze arize arize amrize Uplink Power Density (cBwiHz) —s10 «B0 —5203 —<a0 —som —51.0 Uplink Polarzation Advaniags (dB) a a 8 B a o. a Downlink EP Denstty(@BwHe} —35.0 sg4 zen 6n —s50 o—m.0 CA ION_________________L Cater is 7 7 7 & 8 . 8 Smission Designation. inasore imisorer imasorw aopkery sonkerer «ItKkGrv informalion Aze (kbpe) Blas B14.5 Bre ~o daas isss 825 Camier Medhitalion EPSK sosk sPSK BESK BrSx BP3X io Feak Bandwidih of EDS [MHz) nz C n‘ nz nia ma mia Code Rabe as as ols as us ns oocupled sendutcth (tHz) 1230 1238 1259 abr 307 zo7 agosatzd Barataien [xtez) 1480 1e5p 448 ato 4ta 4ca tinimun Ci4, Cear Sky {dsy 340 270 230 3.40 2.70 27 stinimun CN. Ran (Be) 34p 276 270 3.40 270 278 UPLINK EARTH STATION ______.____________ Sarth S—alion Clz r{melers} 4.5 ~/ 45 4.5 1.2 12 12 rin Stalton Sain (aBly sar sax 34.7 10 cae 434 454 sarin sallon Sevslion Ange su6 sae 226 205 196 sag BONNLINE EARTH STArIon . =arh stalionDlamaler (mesers} 122 132 132 «40 430 es Zarh stalion Gain (gBly 415 414 et.3 329 s20 som sarin Salomet {silq 19.6 19.6 i2.7 sua 209 on Earin Stallon Slwalion Ange sa.6 se 22.6 2086 sas sas LINKFADS TYPE Clear Sky Up Fata Dawn Fada Clsar Sky UpFats Cown Fade OPLiN® perFroayanee tpdirk Sarin Station S1RP asrn eas se srs 10 s19 1t UplinkPath Loss, Clear Sky (dB) so7.3 207.3 alr3 207.3 207.3 207.3 Upink Rein Atereration fdB) o8 ns ne #0 na ma scteills GiT iceck) 1.5 .0 19 410 . 20 4# Sollzman Corstant (CBAK—H2) meae sa.e mEs 2r&5 254 soRs Camier Nclse Sandaitth {48—42) —51.0 spo —EBo —19 —sig E.o UpinkOM fdB) 16 m1.8 228 a2 53 E2 SontbyK pene Downlink EP per carrier fasvn so se 25.0 ans sm3 B03 Anleana Pointrg Eror(d8) 45 45 CB —Ls —gs 44 Oownlink Paln Lass, Clear Sky {48) soas z05.3 mss mas 20548 2055 Sownlink Rain «stenualion {4B) ca 05 n.6 ao rg us Sarh stallomet fsntq 19.6 116 18.7 3ha B4 cag solleman Constant (cBWICHz) sra6 su.6 mas Pects ces as84 Camier Sclse Sandaicth {d8—2) —s10 «ho Do —gi8 —mo —32.0 doarlink CN (aBy _ e at 31 5.6 124 1g4 174 CC IT RFORMANCE__________ CM Uplak fday s1g 6 228 £2 53 £2 Cmm Dawalnt {dB) a1 31 5.6 ce iga 174 Cit Olfe: links (Co—channef & I) 150 16.0 18.0 i2a 164 168 oi Uplink adjpacer: Scteille 1 (4B) 31.2 31.2 312 146 146 14.6 C& DConrtink Axdjacent Sateillfe 1 {dB) as ge a.s 228 s29 s2q Cld Uplink Adjiacert Sateiile 2 (18) 31.2 12 312 146 146 14.5 Sit Conniink Adjasent Sabeilte 2 (4B) 125 126 120 es B33 _ s358 CabHn Composts (ey L5 45 38 as 18 44 Required Syetem Margin (dB) 13 13 14 11 424 11 Minimum Regured CR (cB) 34 37 2x 2.4 27 27 Excess Link Margin (B) CLB O.f L.D £0 £o E& Sum i7 77 77 seo zeq seo Uplink Powar Denslty(cevilHs} +531 521 «524 «57.3 —s7.3 47.3 Sonriink EIRP Deastty at Beam Pssz —25.0 &0 360 Sbs —sa8 Bs Page 75 of 93

EXHIBIT 12: HORIZONS 2 Ku—BAND LINK BUDGETS (continued) UPLINXBEAMINFORMATION Uplnk Beam Name RUKH RUICH RUKA RUKH RUKH RUKH Uplink Frecuarcy (MHak TORC—14250 dof0—142E0 124000—1428] 14300—14258 ‘14E00—14250 14030—14250 Uplnk Beam Polarzalion: Harzontal Hortrontst Hodaontal Hodzsnial Hotlzonial Horlzcatal Uplink Relatve Coniour Level (dB) 45 —£0 —£.0 «60 «60 ~54 Upink Cortour GIT (dB/K} ~0.2 +L2 —£2 «L2 —G2 ~0.2: Uplink S7D (dB¥Aim*} +201 «551 +301 T9.4 —79.1 ~T24 Ran Rate (mm‘hrh 22.0 22.5 22.0 220 220 220 DOANNLINKSEAM INFORMATON_ Downlink EasmName RUKV RUKY RUKY RUKY RUKY RUKV Downiink Prequency (MHz) 12803042750 12510—12780 142550142750 12500—13758 12200—12758 1250{1—42750 Downlink Beam Polarzation: . Nerlical vertical verlcal Wertest ‘erscal — Mericat Downlink Retative Contaur Lavel {dB] 5.0 —£0 —£.0 ~6.9 64 ~5.4 Downlink Camour EIRP (dEW 45.0 45.5 £5.0 46) 468 46.4 Ran (mmiBMy_ 22.5 22.0 22.0 2210 220 22. ADJACENT SATELULTE 1 Ssleitie 1 Orbést Location E3.195°F E3.19°T 83.15°= 32.15°E 3.A5E 43.15°E. Uplink Power Density (cBWHzp —58.0 —5B0 —5B0 ~E04 ~50.:4 ~S0.G Uplink Polarzation Advanlags (18] a 2 2 E 0 6 dowtink EIRP deasty(aSwHz} ~25.0 260 260 ~264 ~368 ~26.0 ADJACENT SATELUTES Sateilfle 1 Orbral Location E7.15€C E7ASC ( 67A3°Z $7.15°2 erizE STAZFE Uplink Power Sensity {cov¥Hz} ~58.0 —5E0 —5500 ~20.4 —508 ~504.0 Uplink Polarization Advanlags (dB) a Ey t & 6 6 Downlink EIRP Density(a@5WwHz) ~25.0 ~26.0 260 ~26.0 ~250¢ ~25.0 1 1 1 af «& 4 Smission Designation IABMOFEE sSMOF3F . SEMOFSF 3EMIGTA SEMIGTA 36MIGTY informalion Rate (kbpe) nz nz niz 2riGas 27763.6 27763.6 Catier Mcdulalion TMFM TWFM TVR CPSK G°5SK ‘QPSK PeRX io Feak Bandwidlh of EDS [MHz) 4.8 4.G 4.G mig Iéa ma Code Rabe n/a n‘a mz 45 ES Cocupled Sandéich (¢Hz) 36030 26520 seltd 31133 30133 atocated Bandaion [KHz) 36030 2EBCG 35000 35E00 3E018 iinimum CH, Clear Sky{d5) 10.AG 10.50 10.03 3.35 .38 Minimun C/N, Rab (18) 1040 10.50 A0.50 3.35 3.35 UPLINX EARTH STATION _ Sarih Stallon Dlamster (meters} 446 45 4.6 4.5 Sarin Stallon Gatn (dBl) 5.6 5.6 54.6 $4.5 Sarin Stalion Stvalicn Angle 31.5 31.5 31.5 31.5 BONNLINKEARTH STAFTION Sarth Staton Dlamater (meters} 1.06 146 1.C6 1.07 1.07 Sarin Stalion Gain (dBl) 41.0 41.0 4%.0 411 441.1 Sarin Siallon G!T {dBK) 19.3 19.1 19.2 191 191 Sarth Stallon Sivalion Ange 31.5 31.5 31.5 31.5 315 LINKFADS TYPE Ciear Sky Up Face Dewn Fads Clesr Sky Up Fade UELINE PERFORMANCE Uplck Earth Station EIRPow T5.6 Ts.6 T26 764 7644 Uplnk Path Loss, Clasr Sky (dB) 207.4 207.1 217.1 207.1 25G7.% Uplnk Rain acterastion {d8) CB 0.9 OG 4.D «L9 Salellls GIT (cCEKY ~1.2 "42 ~L.2 —£2 —0.2 Solteman Constanl [CBWIK—Hz) 225.6 225.6 225.5 2305 286.6 Camer Nolse Sandwidh {48—42) ~55.0 —56.0 ~56.0 T4A 748 UpInk CN(48) 30.7 23.9 387 24.7 229 NOANNLINKDERFORMANCE doaniink ERP par Carler {d5¥i 41. 41.0 41.0 42. 428 anleanna Pointing Ervo: (dB) ~0.5 —15 —LS —LS D.E Cownlink Path Loss, Clear Sky {dB) 205.2 205.2 216.2 2162 206.2 Downiink Raln Allsnuslicn {d84 Cuft 0.G 0.6 %O 5d Sarlh Szalion GT (dB/K) 19.1 19.1 19.2 121 1591 Saltzman Corstant (CEWIK—Hz) $25.6 225.6 2266 2166 255.6° Camier Hcise Sarcaicth (dB—Hz) +56.0 ~56.0 —56.0 "74.9 —744 Cownlink C/M {dB) 15.9 15.9 14.4 %0 Bd COMPOSITE CiN Uslnk (4B) 30.7 20.9 3LF 24.7 239 CiN Dewalink ({d9) 15.9 15.9 14.4 &D Bu Cit Otfer links (Co—channel & IhM] 24.G 24.0 24.0 24.0 240 C uplink Adjacent Satellie 1 fdB) 33.1 35.1 35. 321 . 321 Cit CownlinkAdjacent Sabsilite 1 (cB) 16.6 16.6 16.6 29 23 C Uplink Adjacent Sebetite 2 (dB) 33.1 33.1 391 321 321 C Connlink Adjacent Ssteillte 2.(48) 13.6 13.6 18.6 11.9 119 CNN+1) Composie (dB) 117 1.7 1114 RequiredSystem Miargin fdB) 1.4 1.3 11 Minimin Reguired CN (cB) 10.5 10.0 10.0 =xcess Link Marghn (4B) 04 0.6 0.G 1 % 1 ~£5.0 <£.0 180 —51.G Doaniink SIRP Censttyal EeamPssk ~12.0 ~120 ~15.0 ~25.G Page 76 of 93

EXHIBIT 12:; HORIZONS 2 Ku—BAND LINK BUDGETS (continued) UELINKBEAMINFORMATION_._____ .— uplitk Eesm Name RUKH RUKH RUKA RUKH RUKH RUKKH Upick Prequancy (MHEZ) 14000—14250 14070—14280 12000—14250 14000—14258 1420]—14250 14001—4425G Updrk Seam Polarzatisn Haronlat Heortonts: Hodzontal Keodzcnial Korlzontal Hotizpatal Upink Relalive Contour Level (1B) ~5.5 5.0 ~ —60 60 ~5.0 ~58¢ Uplink Comour GiT (dBiX) ~0.2 +.2 +E2 B2 ~02 ~0.2 Upink S2D (dBWi"} ~78.1 761 461 . —T€.4 ~73A +7843 220 22. 22.0 220 2280 22.0 RUKC RUKY RUKY RURL RUKY RUKA Downlink Preguency (MHzp Tt2500—12720 12500—12780 1250012750 12500—12758 12500—12751 13500—48750 Cownlink Beam Polarization verlltal verllcal Vedical Vertcal ‘erical vericat Downiink Relative Condaus Level {dB) ~5.5 »5.0 —6.0 +€.0 ~5 ~Sit Downlink Comour EIRP (dBW) 45.0 45.0 45.0 464 4613 46. RanRats(mmihr)_____ : _ 225 22.0 22.0 220 220 220 ADNACENT BATELMTE® OL_______L__L__ Ssteilis rpital Losation E515C 0_ B3A19C £3.15°2 S319°2 SMEE 431552 Uplink Power Denstty {ooWIHz} -Silv.l\:l — ~5B0 0 ~5RO E0.4 ~50.4 ~50.0 UplinkPolarization Advantage (dB) a g g C o o Dowtlink ERP Censiy(dowHz} —25.0 ~260 ~26.0 ~26.4 ~235.4 ~25.0 ApdACeNt sareuime s ‘ Saleillls 1 Orbral Losation E715C Ef195C mase C 87A15°E S7MA5°E S7ASE Uplink Power Density {cdowHz} ~51.0 ~5E00 ~5BO ~E0. ~50.0 ~50.G uplink Polanzation Acvantage (4B) o a & C o o doaniink ERP densty(cBWHz} _]~_ 60 <cen se0 ces s59 5.5 CARRIER INFORMATION|___________________ Cater1D 5 E . E& 6 6 5 Emission Deelgration 10MEGTUT HHSSFUT 10M3GIVE : 10IKGrIY 101KG7W HIKGTW infomalion Rare (Wope} E2480 E2450 62400 7G& 7TD.& 704 Camer Mcdilalion: QFSK CPSX CPSX CPSK GPB3K — QpPBK Psst io Feak Bandwdif of EDS fMHz) n/a nig nia na ma /a Code Rate CS 0.5 0.6 ©.5 CS CS Oocupled Sindaicth (¢Hz) 6771 674 Eol Ts TS 75 Atocaled Barstaton (KHz) 1030G 103CG 103t0 120 120 103 Minimunm CN, Clear Sky (43) 3.87 327 3.57 2.99 2.7 279 Minimum C‘N, Rab (4B) ~ 307 $.57 3.57 2.93 2.73 273 UPLINK FARTAST Zarh Stallon Stamsler 3 «.6 45 45 4.5 A.5 45 Sarh Siation Galn (dBl) 54.6 54.6 $4.6 §4.6 €46 54.4 Sarh S—allon Svation Angle 31.5 31.5 315 315 S MJE DOANNLNKEARTH STATION Earin Stallon Olameler (metersh 108 186 1.te 1.G5 1.05 108 Sarin Stalizn Gain (dBt) 41.3 41.3 41.3 414 410 418 Sarh Stalion GuT {d5K) 13.3 19.3 12.4 184 198 16.1 Sarth Stalion Stvalion Ange 31.5 31.5 31.5 MS 319 . ME LINKFADE TYPE. . Clear Sky Up Fage Dawn Fade Clser Sky Up Faids Cown Faie UPLINX PERFORMANCE Uplink Earth Staton EJRP {dSV1) T29 T28 729 Sad Ek §54 UpickPath Loss, Clesr.Sky (18) 2071 B7A 207.1 207.1 2BF.4 207A Uplisk Raln Aterciation {d8) —Gd 0.5 0.G 20 .. L2 GQ Scteills G.T (CBJK) —0.2 42 —~G2 —L2 —0.2 ~1.2 salleman Conetanl (CBWIK—Hz) $23.6 222.6 22665 2265 204 233.6 Camer Ncise Sarcaicth {dB—42) ’ ~53.5 5K3 ~56.3 ~15.4 —15.8 ~15.6 UplinkCN fdB) 25.7 24.9 . 25.7 257 24.9 25.7 BOANNLINK PERFORMANCE : Somnlink EIRP per Carrier {dS7 55.3 35.3 356.3 16.8 16.3 15.4 Antenna Polntirg Eoc (dB) —0.5 ~45 ~CS Eu5 ~CS ~1.5 Downlink Palf Loss, Clear Sky {4B) 205.3 205.2 206.2 206.2 206.3 206.3 Downlink Rain Afterciation (dB} 0.4 U.G 0.6 2.0 EJ CS Earin Stallon G/T (dBK) 19.3 19.3 15.4 120 120 16.1 sellzman Caretant (CBWIK—Hz) 225.6 22356 2265 2355 256.6 2235 Camier Ncise Sanchicth {dB—42) > ~534.3 583 +5E.3 ~18.4 —18.4 ~45.6 Downlink CN (dB) 94 B4 * 7.6 4.6 E.3 73 COMPOSITE LNX PERFORMANCE ‘ ~ C upink (dBj 25.7 24.9 25.7T 257 242 35.7 CiN Dawalink [dB) 9t 9.1 7.6 5.6 E.3 73 Cit—Oine: lInks (Co—channet & 1i 16.G 16. 16.0 160 Te C 16.0 Ci Uplink AdjaceniSeheiite 1 (dBy 531 33.1 321 33.1 23.1 33.1 Cit Coartink Adjatert Ssheillte 1 f48) 10.7 10.7 18.7 © 25 B3 23 Cit Uplink Adiacent Sabeilte 2 f4B) 331 331 331 331 33.1 15.% C Conrink Adjacert Seteillte 2{4B) — 12.6 12.6 12.6 11.3 113 11.3 CiN+1) Composis (aB) 54 5.4 43 4s 4.3 39 Required Syetem Mangin (dB) 14 1.3 14 21 1. 11 Minivium Required CS (0Bp 38 3.6 9G 30 23 © 23 Excess Link Margin (dB) Ed 0.7 O.5 O.4 Lo BJ Numbter of Carters_ 3 3 3 360 seq 250 cA NC +5%.0 ~5Eu0 ~B0 500 —50.0 ~51.0 Sownlink ERP Densityat Beam P22 —26.0 —26.0 260 260 —26.0 —35.G Page 77 of 93

EXHIBIT 12: HORIZONS 2 Ku—BAND LINK BUDGETS (continued) UELINE BEAMINFORMATION_ Uplink Seam Name: RUKH RUKH RUKH RLKH RUXHK RUKK Upink Frequency (MHZ) 1401D—14250 408044280 deSL0A4RS 1e100—1425% 14201—1425% 14000—11250 Upiink Eeam Polarzation Harizoniat Horzoniat Hordzontal Eedteanial Horlzcrist Horzcatsl UpinkRelatve Conlsur Level (d8) 5.54 <£.0 «40 60 ~6.G 54 UplinkCorfour G/T (dB/K) ~1.2 42 —L2 ~C2 ~CLB ~0.3% Uptink. 670 (dB¥&en®) ~73.1 7BA T64 ~57.4 ~BFA 874 Aan Rave (mrahry 22.0 22.0 22.0 220 220 224 ONHLINEK SEAMINFORMATION_____ Domnlink Besm Name RUKY RUKY RUKy RURY RUKL RUKM Comniink Preguency (MHz) fesdte2rso 1258042780 d25IA2730 (12500—12758 12500—142750 12500—42750 I Downlink Easm Polarization: verlisal verllssl Nedical Verfcal \erical veniel Domnlink Relative Confaur Leval {dB) 5.5 —5.0 —£0 —£0 —64 ~54 Sonnlink Coriour EIRP (dEBW) 45.0 46.G 45.0 46.0 46.9 16.0 Ran Rers immvhr) 220 220 22.0 220 220 220 1 Orbiial Losaton EBI9%E ; E319E aFA9s B3A15°E SBASE A3.15°E Uplnk Power density (CBWIHz) ~5%0 —5B0 +550 ~50.4 +508 ~S1G UplinkPolarzztfon Aceanlage (dB) 0 h t B a O Domnlink EIRP Density(dswHz} +250 260 460 ~26.4 ~26A ~25.5 ARAIACENT BATELLTE® _____ Seleiliis 1 Orbfial Location Erise B7AYE erass a7ASE S7AEE 47.15°E Uplink Power density (cBwPHz}p ~511.0 ~550 2000 ~ECLT ~500 ~51.5 Uplink Polarzation Acwantage (dBf o R & & a o Donnlnk EIRP Sensity(dBwHz} —35.0 260 260 ~26.5 ~554 ~25.0 CARRIERINFORMATION Camar 1t T T T 6 & 6 Smission Oesignation iMdcory 1M45GrH 1M45GIW 4OHKGAY 400KGrW 4ICKGrU Information R&e (iope} 6145 514.5 614.5 1225 1515 1835 Carrier Mcdilalion: EPSK BP5K sPSK BFSK BPEX BPSX Peaito Feak Bandwidih of EDS {MHz) nz n‘z nia nia ma n Cod# Rate e 0.4 0s tS ES LS Occupled Sandwicth (<Hz) 1238 1228 1330 307 307 207 atosaled Barklatech (KH2) 1480 142B 148 460C 4C0 400 Minimunm Ct, Cear Sky {d5) 340 270 230 3.40 2.70 273 .540 270 2.70 340 2.F 273 Sarh Scallon Slamsle |jmc-.=rs) 4.5 4.8 45 10 1.0 10 Ssrin Statlor Gain (dBly B4.6 54.6 §4.6 «2 420 420 Sarlh Sation ShvalionAngle: 31.5 315 31.5 31. 415 3145 DOANLINK ZARTH STATION —. Sarh Stallon Plamate: (metars} 105 145 1.55 44 4.50 1.5% Sarin Stalion Galn (dBly 41.5 41.0 41.0 5.4 E3n 5.5 Sarh Scallori G/T {d5/K) 19.0 120 1811 316 316 20.7 Sarh Stalion Sievalion Ange 31.5 M3 34.5 315 MS 314 LINK EALETYBE Clear Sky Lp Fage Down Fads Clear Sky upFais Cown Fade UPLINX PERFORMANCE: UplinkEarth Stdion EIRE (doviy 65.5 B5E 655 4C1 461 4G.A UplinkPath Loss, ClearSky (4B) felvole} 207.A 207. 207. 207.4 257.1 Uplnk Rain Acteraiation {48) C.d 0.4 d.G ©.0 E4 afs is Selelils GT icBK) 412 "I.2 —£2 —~L2 —CL2 iD in °C Salleman Constant (CBAWIK—Hz) 523.6 223.56 EL6 2364 246.6 ba Carder Nclse Sanchsicth (dB—H2) —5Mo ~5L9 +259 —54.8 «54.3 Uplink CON f48) 25.7 BLG 25.7 £.5 55 Somnlink ERP per Carrier {dSVi) 233.5 2BB 25.9 225 225 Antenta Palnting Eror(d8) 15 "1.5 —L3 ~LS ~C4 Comnilnk Patn Loss, Cear Sky {dB) 205.2 205.2 2162 2462 2062 Downlink Rain Antsraation {dB) Cut 0.b 0.6 20 EO Sarih Station GT (daiq . 19.5 12.0G 191 314 MS Scllzman Constant (CBAUK—Hz) 220.6 225.6 2366 2256 250.6 Camier SNclse Sanciwicth {d4B—2) —51.9 «519 «509 +543 +549 downlink Cl (dBy 64 8.56 T.3 21.1 21.1 COMPOSITE LINXPERPORMANCE Cm Uplak f4s}y 25.7 2AG 25.T 5.5 55 CINDowalink (dBy 5.8 5.56 7.3 21.1 21.1 Cit—Olhes links (Co—channel & IM} 15.5 15.0 150 164 164 C Uplink Adjacent Szteiile 1 (48) 33.3 331 33.1 147 137 C Cowrtink Adjacert Satellite 1 {dB) 23 9.3 9.3 25.5 25.8 C Upink Adjacent Sateiile 2 (dB) 33.1 331 33.1 137 127 C Connriink Adjasert Sateillte 2 {cB) 11.2 12 11.2 264 264 Ci{N+1) CompostsfdB) .5 4.5 38 39 Required System Margin (dB) At 11 11 111 AMtinimum Requied C (CB) 34 2T 27 27 Z7 Expass Link Margin (dB) (dal D.F 0.4 B1 E7 Ca 34 24 24 E0 €1 y (0EVIHz} —580 —520 ~2L0 ~56.7 ~56.¢ Donnlink ENP Sensityal Seam Pssk. —25.0 260 2680 <§54, —25.4 Page 78 of 93

EXHIBIT 12: HORIZONS 2 Ku—BAND LINK BUDGETS (continued) UPLINKBEAMINFORMATION_.__ anenioick Uplink Beam Name RUKH RUKH RUKH: RUKH: RUXH RUKH Upink Prequency(MHz) 14070—14250 14070—14250 1e850—14250 124000—14250 14000—14250 14000—14250 Uplink Beam Polargalign | Harizoniat Hortzoniat Horzontal Horlzpnial Rotlzcrial Horzontial Uplink Relative Condaur Level (4B) ~5.G ~£0 —£.0 —£0 64 54 Uplink Cordaur GiT (dENKp —1.2 42 ~R2 0 ~C.2 ~CLB —0.2 Uplink SFD [dBWn‘mflx ~78.1 ~76.1 T6.1 T6A ~78.% ~734 220 22.D 22.0 221 220 220 downtiink Eazm Kame MEKU MERY MERY _ MEKW MEKW MEIY Downlink. Preguency (MHz) 12530—12720 12500—127E0 125CD—127850 12500—12750 12500—12750 12501—12750 Dowtlink Eeam Polarzation verlical Werlioal Nedlcal Vertcal verical itariiced Downiink. RelativeContour Level {48] 5.5 +5.0 —£.0 —6.d ~€4 84 Downlink Cardour EIRP [dBW \ 457 45.7 45.7 46.7 46.7 167 225 220 22.0 220 220 2209 I E3.49°C 0; E335°C ©3.195°2 82.15° S315°E S21#E Uplnx Pw‘-ar ".,ensit\'’GB'-‘J'I-I:.]. ~5%.0 ~50.9 —550 ~£20.0 ~50% —50.5 Uplitk Polarization Advantage(d6) a & B BC C G Sontlink EIRP Density{d5¥Hz) <25.0 <26.0 260 +260 ~36% ~25.5 ADJACENTBATELLTE 2 l Ssteillis1 Orbi:al Location €7.15°2 E7AGE B7ASE $7.15°E S7ASE ATMASE Uplink Power Censity (coWIHz) ~5%.0 ~55.0 ~2BA ~ECUt ~50.4 50. upmx Polanzstion Atanhg- it8) a t & E a a ER ¢(G ~25.0 ~26.0 26A ~26. ~35.8 —25.5 CaTenId 1 1 1 4 4 d Smission Deelgration SSMOFSF 3SMOFSF 3EMIFGF SEMIGTA 3EMIGTA 3EMIGTY Informalisn Rats (Mope| mz n‘a nia 2760E 2F7G0.6 27769.6 Camer Mcedilalion: TAOFM TVIFM TEFM GPSK QPSK QPSK Peak:o Feak Bandwidin of EOS (MHz) d 45 45 nia id n/a Cods Rate nz n‘z is 45 [3 ES Oocupled Sanduicth (¢Hz) 36035 26IC0 35200 $1133 31133 30133 A¥ocaled Barctwion (2) 36010 26120 35100 35C01 36500 46008 Minimunt CHN, Clear Sky{d5) 10.3 10.50 10.50 5.36 3.34 136 Minimum Ch, Rakn (18) 10.IE 10.50 11.00 3.35 3.35 .36 UPLINKEARTH § Sarin Sallon dlameler 4.5. — 45 45 4.5 4.3 4.4 Sarih S5alton Gain (d81) 5.6 B6 54.6 54.5 E4.5 SS Sarth Stalion Stevalien Ange S1.5 315 31.5 » 31.4 < S 14 BOANNLNK EARTH STATION . L Zarth Stalion Dlamsler (mesers} 1.16 1.46 1136 1.20 £23I c 123 Sarh Stalion Gain (d81) 420 «420 42.0 42. 48. 42.4 h StallonG/T (da‘k) , 310 B0 12.0 202 202 192 Earth Stalion Sievslion Ange 29.6 23.6 23.6 256 285 396 LINK FADS TYPE L2 Cleaf Sky Lp Fare Down Fade . Cisar Sky Upraie Cown Fade UPLINX PERFORMANCE Lz Uplink Earth Station SIRP {dowiy 748 748 T4.9 TET 767 767 Uplink PathLoss, Ciear Sky (d9) 207.1 27. 2AF.1 207.1 207.A 2071 Upirk Rein actercation {d9) C . 09 D.G .0 E3 BA Sateillis G.T (corK) ~1.2 42 —£2 ~L2 ~CL2. 12 solleman Coretant (cCEWIK—Hz) 223.6 225.6 — 2265 2365 2505 220.6 Camer Mctse Sanchicth (1B—H2z) _ —65.0 56.0 ~EA&Ad ~74.8, ~T4A . 446 Uplink CN f49) SA.G ©20.8 3%0 230 2722 204 DOWNLINK PERTORMANCE _ Dowtliink EIRP per Carrter (dSW ' 39.0 39.0 32.0 «L.3 408 «404 anleana Pointng Ero: (18) «1.5 15 —[5 ’ —GS ~CLS ~0.5 Dowtlink Path Loss, Clear Sky {dB) 205.2 206.2 2162 2162 2L62 205.2 downlink Rain Altarasiion {dB) Cid 1 0.G B.F 20 EQ ET Sarih Station G/T [dxK) 21.G _ M.G 12.0 202 202 ~— 192 Sollzman Conetant ((BW/K—Hz) 225.6 — 224.6 2255 2266 2204 238.6 Catier Ncise Sandaicth {dB—Hz) ~55.0 56.0 —E6.0 "74.8 —~744 T4.6 Coaniink C/N {dB) ________ 14.5 14.6 121 C 7.9 79 E.3 co e RFORMANCE CiN Uplink {48) 31.G 290.3 32.0 239 222 23% CM Dowolink {dB} 14.56 14.6 131 20 T9 7.9 6.3 C Othe: links (Cc—channet & M} 24.0 24.0 24.0 © 24.0 24.0 244 CA Uplink Adjiacen: Sateilie 1 (dB) 37.4 57.4 37.4 5B4 304 204 Cit ComnirkAdpacert Sateilie 1 {18) 19.1 19.1 12.1 126 125 124 C Uplink Adjacent Sabeltle 2 (dB) 37.4 37.4 — 37.4 36. 304 * 204 Ct ConrlinkAdjacent Sateillle 2 {48) 192.6 19.6 12.5 126 125 124 CN+1) Composis(dB) 121 ° 121 111 £5 §5 45 Required: System Marjin (4B) 11 11 1.1 11 114 11 Minimum Requied CA (cB) 11.G *~ 10.G 18.0 24 Ad 34 Excess Link Margin (dB) . 14 16 ‘D.p 1.0 10 O 8 1 1 1 1 1 1 Uplink Power Density (CBWIHzp 5.7 57. 457 —527 —527 527 Doanlink EP Sensity at Eeam Pssk —13.0 150 150 —164 —25:8 ~25.5 Page 79 of 93

EXHIBIT 12:; HORIZONS 2 Ku—BAND LINK BUDGETS (continued) UELINEBEAMINFORMATHON Uplink Eeam Name RUKH RUKH FUKH RUKA RUKK RUKH UplinkPreguancy (MHz) 14030—14250 14000—14250 14000—14230 14300—14250 14E00—14250 14007—14250 Uplnk Besm Polarzalisn Hatzontal Hertontal Hodazontal Kodzcniat Horzorial Horlzcatsl Uplink Relative Coolour Level (dB) 5.5 ~£.0 ~£.0 +699 ~54 ~5.4 Uplink Coniour GT (dB/Kp J.2 —4.2 —+5.2 ~BR2 ~0.2 +0.2 Uplnk SFD (B¥im") ~78.1 TBA «TBA «76.% «78.A ~78.1 22.G 22.0 22.0 220 220 224 MEKY MEXV MEXV MEKV MEKWY MEKYE Downlink Prequency (MHz) 1293012750 12510—127E0 12500—12750 12500—12750 12200442750 12500—42750 Downlink Beam Polarzation verlical verlloal verlicsl ‘erical vericel vanrites Oownlink Relalive Contfour Level f48) ~§.5 ~4.0 —£.0 ~£.9 ~84 —34 Oowniink Carfour EIRP (dBWh 45.7 45.7 <B.7 467 46. 467 Ran Ras 1 22.0 225 22.0 220 220 224 ADJACENT LLITE i _ j ' Saleills 1 Orbtial Location E315C E319C 8315°2 83.15°E S3.15°2 S21EE Uplnk Power denslty(cBWIHzp ~58.0 —5G0 —5B0 «500 +500 ~51.0 UplinkPolanzation Advanlags (dB) 4 & 8 D C C Oowniink ERP Density(dGWHz) ~25.0 269 260 ~26.% ~36.0 ~25.5 ADJACENT BATELLTE 2 Sseleillls1 Orbfal Location E7.49°C E715C 67.A5°Z 87A15°E S7A5E 4715E Uplink Power Density(CBwAHzh ~58.0 ~5Cud "2D0 ~E00 ~50.8 ~50.D Uplck Polatizetion Advantage (18) a T & & G o Dowrlink ERP Density(GGWHzh ~25.0 260 260 ~25.4¢ ~35.0 ~25.5 CARRIER INFORMATION CatieriD S 5 & & 6 & Smission Decignation 10MIGHW 10MsG7vt 10M3GIW 1GIKGrN 101KGz MEKSTHT informalisn Raz (Kppe) €223.0 E22000 £2400 Thd TGu4 704 Camer Mcdhtation GPSK CPSX CPSK GPSK GPSK QPSK Peakip Feak Bendwidln of EDS (MHz) nia afa nie nia ma ria Cods Rabe CS 0.5 0.5 45 CS Eus Oocupled Serdaict (42) 6771 6771 6771 75 75 75 Atooaled Serdai¢n (KA2z) 10800 — 1030 10260 120 120 10] Ainimum CN, Cear Sky {d5) 387 S.57 3.57 2.59 2.79 . 278 MinimunCH,ran (d8)_ onl 337 327 3.57 259 2.79 273 UPLINK EARTH STATICN > Esrin Soallon Olemater (metars} 45 45 45 4.5 4.5 435 Earin Szation Galn (dBly §4.6 $4.6 $4.6 §4.5 E46 EA4 Sarth Stalls 316 3156 31.5 31.5 315 3145 = Stallzl sle: | 135 1.35 1.2 117 117 117 Earth Stalion Sain fdBl) 42.6 42.6 426 41.3 418 41.3 Sarih Szlizn GT (d5K) 20.6 2E 12.5 129 129 162 Sarth Stalion Svalion Angle ZA.6 24.6 226 226 256 BQ6 LINK FAD= TYPE Clear Sky Up Fage Down Fads Clissr Sky upFads Bown Fare UPLINXK PERFORMANCE Uplink Sarth Stafon EIRP (d5vi) Tdz T2 T2 Elsky Edn EQT Uplnk Path Loss, Clast Sky(d8) 207.4 207.1 207.1 207.A 2E7.1 2EF.4 UplinkRein Atemiation (43) C Lo 0.D L0 o Cud Ssleilis GIT (cBK) 41.2 42 —D.2 —L2 —0.2 ~0.2 Soltaman Constanl (coWiK—Hz) 323.6 224.6° 2266 2366 256. 228.6 Camter Mctse Sarciwicth f48—442) ~54.3 48.3 —£8.3 ~15.8. ~18.3. ~48.6 ‘ink CiN (48) 23.0 22.2 220 230 222 25.0 34.3 34.3 34.5 14.3 T4.3 14.4. 1.6 45 —BS —G.S —D.4 ~1.5 Sownlink Pain Loss, Clear Sky {dB) 205.2 205.2 2362 2162 206.3 206.2 Oonnink Rein Actenualion {4B) Cl a.G 0.7 0.0 BJ ET Sarth Stallon GT {d5/k) . 20.6 30.6 128 129 18. 169 Soltzeman Conetant (cBWIK—Hz) 229.6 225.6 2266 .236.6 205:6 2204 Cartiar Mcise Sarciwicth {dB—Hz) —51.8 463 +563 ~15.8. ~48.3 ~45.6 Sowtiink CN (dB) 84 8.6 6.9 po T.f E4) SOMPOSITELNX PERFORMANCE . Jom ughak 48y 23.0 22.3 230 230 322 30 CiN Dewnlink (dB) &6 8.6 6.58 TT T.F £0 ‘Cit Oe links (Co—channet & Ihi} 15.G 16. 16.0 16.1] 1610 16.4 Cit Uplink Adjacent Szteitle 1 (dB) 304 304 3H.t 3k4 3B 204 Cil Conriink Adjbasert Suteilile 1 {dB) 124 124. 12.4 1.5 115 #1.5 Cit Uplick &dfacent Ssbettie 2. (dB) 304 _ 30.4 304 3B4 cdBué 204 ‘Sit Cownlink Adjatert Sateillte 2 {dB) 13.0 13.0 13.0 0C 126 125 12.6 Ci{N+!) Compoats (dB} 56 5.6 4T 4.6 4.3 a9 RequiredSystem Margin (dB) 11 114 1.3 11 114 11 Minimum Reqgured CN (05) 39 3.6 36 30 23 28 Sxcess Link Margin (B) o4 o8 0.G L7 o €0 3 3 3 360 sed 2 Uplink Power Density(CBWIHz}) ~52.7 —527 —B27 €27 —B24 —52.7 Soatlink ENP Densityat Seam Pssk. —256.0 —26.0 3600 ~26.0 —26.4 —25.G Page 80 of 93 a

~> EXHIBIT 12: HORIZONS 2 Ku—BAND LINK BUDGETS (continued) UFLINXBEAMINFORMATION . Upink SBesmName RUKH RUKH RUKH RUKH ~ RUKH RUKR _ Upink Frequercy (MHz) 14030—14250 1403014250 14000144250 14000—14258 14200—14250; 14000—14250 Uplink Eeam Polartation Horeonla® Hortonts® Hortzontal Hortzonial Horzcn‘ial Horzontal Uplnk Relalive Confour Lavel {45) ~5.G —£.0 —£0 ~6J3 +564 ~54% Uplink Corour GiT (dB/K) ~1.2 —4.2 —L2 ~G2 —D.2 ~0.2 Uplink SFD (dBWim‘} ~73.1 ~7€.1 —76.1 +9A4.4 ~54,.1 84.1 22.0 22.8 22.0 220 220 220 MEKV NEKVY _ MESXS MERKY MEKV MEKW Donnlink Prequency (MHMz} pepleaten—d 1250012750 1250012750 12501—12750 1280012750 12500—42730 Doanlink Eaam Polarzation werlltal werltesl Nedical ‘verteel Verical vemioct Cownlink Relalive Condour Level {dB} —3.G ~5.0 —£.G ~€3 «50 —30 Conniink Confour EIRP(dBWY 45.7 5.X 46.7 46.7 46.7 46.3 Ran Rats (mm‘ht) 22.5 22.0 22.0 220 220 a2X Saleillts 1 Orbi: cation E315°C E5.15°C 63.45°5 8315°2 SMI1EE SA1EE Uuplink Power Density (cBWIHz} ~51.0 —5&0 —55.0 ~EO4 ~50.0 ~S0.G Uplink Polarization Acvantags (dB) a d . 0 B 0 d Donnlink EIRP Densty(doWHz) «25.0 «260 ~26.9 «364 ~254 ~25.5 ADJACENT BATELLTE 2 . Saleiilis 1 Orbisl Location E7.A9C E71959 67.15°2 87.15°E S7.A5°E A7AS"E. Uuplink Power Density (cBwWIHz} +520 ~500 ~5540 ~C0.t ~500 ~51G Uplnk Polarzation Adranlags (d8) o 4& G t 0 a Sonnlink EIRP Dens! 3 ~25.0 «2640 260 ~36.0 ~25.0 ~25.5 T 7 T 6 6 6 Emission Designation 1M4EGZVE 1MSGIU 1M15GTVE 4OKGTY dDIKGTY 4ICKGIM information Rate (kbpe) 6145 614.5 614.5 1825 155 1535 Camtier Mcdiialion: EP5K. SPSK SPSK BPSK BPSX BPSX Psskio Feak Bandefdih of EDS (MHz) n/d nsl nz nia ma nia Cods Rete © CLE d.5 _ 0.5 4.S LS ES Occupled Sandwisth (¢H2z) 1028 1228 1229 307 307 cor atocaled Bardaion (xH2) 1450 1456 1420 4CG 450 400 Minimum C/H, Clear Sky(d3) _ 320 27G 210 340 2.71 270 Stinimun CN, Ran (1B) 340 270 220 340 2.m1 270 UPLINK EARTH STATION . Zann Staiion Olsmster (meters} 45 45 45 1.2 12 12 Earh StaliznGzin (d81] ‘ 54.6 §4.6 §4.6 428 423 428 Sarh Staiion Slevalien Ange 31.5 31.5 31.5 31.5 31.5 31.5 OWRNLINK SARTH STATION th Stalion Olamates (mesars} 1116 1.16 1.16 4.50 4.51 1153 th StalionGain (dBly 41.6 41.6 41.6 5a5 E3S 536 in Szallon GT S 19.6 19.6 11.6 316 316 ~~ 2046 Sarih Stallon Stvalien Ange 20.6 20.6 21.6 226 2506 20.6 LINK FADE TYPE Clear Sky Lp Facge ‘Down Fads Clesr Sky UpFads boxn Fade UPLINKPERFORMANCE UplinkEarth Staton S1RP (dBW 62.6 C2.5 §2.6 40.2 402 402 Uplnk Path Loss, Clear Sky(dB) 207A 207.1 207.1 2071 2E7.f 2E7.% Uplnk Reln Ailencation {48) C 0.9 0.G O EJ [sD) Ssteilis G.T (c&K) ~1.2 42 ~L2 —B2 —0.2: —0.2 Softeman Constanl(cBWIC—Hz) 3256 223.6 226.6 2205 230E 2205 Cartlar Nclge Sandwicth {dB—f2) ~57.9 —SLo —5G.9 ~$4.G ~54.9 —54.0 Upltk CN (48) . 25.0 222 23.0 ©.5 5§ E5 BOWNLINK5 MANCE > . Connlink EIRP per Carrier {dSv2) 25.5 25.9 26.9 203 20.3 20.3 Antenna Palnting Emor (d6) —4.5 45 S . —BS —0.6. ~D.5 Donnlink Palh Loss, Clear Sky{d8) $05.2 205.2 262 2162 2062 255.3 Doarlink Rain Altzraatien {dBi C.B OB 0.7 L0 5.o 7 Zarin Stallon G/T (dBK) 19.6 19.6 11.6 31.6 36 204 Soltzman ConstanL(cBWIK—Hz) $25.6 223.6 2266 2LES 2004 223.6 Carrier Nolse Sandaicth (dB—42) ~5%.9 ~5LO —50.9 +54.9 ~54.9 —54.5 Ooanlink CMJdB) T& 76 5.9 183 16.3 172 COMPOSITELINXPERFORMANCE _ C Ustink (48) 23.0 22.2 23.0 £.5 &5 £5 C Cownlink {dB) T.4 7.6 5.5 163 16.3 17.3 CE Olfec links (Co—channet & IhM} 16.5 15.4 15.0 16.3 16. 16.0 Cl Uplink Adjacent Sabellle 1 (B) 30.4 50.4 30.4 ES 12.3 154 C Conrtink Adjbcent Ssteillle 1 {1B) 11.2 11.3 112 237 237 254 Cl Uplink Adacent Szteilte 2 (dBY 30.4 30.4. 304 138 138 134 it Conriirk Adjacert Sabsillte 2 {dB) 12.6 12.6 12.6 24.2 242 242 Cihel compssits (d81 47 47 3.6 45 a9 44 Required Syetem Margin(d8) 1.1 14 14 11 11 11 Minimum Reguired CA (cB) 34 247 2.f 3.4 27 27 Excess Link Margia (dB) 02 0.4 0.G 40 BA B6 Mumber of Cartars 24 24 24. 20 E0 E0 < ‘Fevers__—_ ~32.7 —527 «527 —57.6 ~57.5 —~57.5 Donnlink EIRP Denstyat Eeam Pssk. —25.0 : —26.0 260 ©865.6. ~85.6 —25.6 \ 1 Page 81 of 93

EXHIBIT 12: HORIZONS 2 Ku—BAND LINK BUDGETS (continued) UPLiNX SEAM iNFoahanoNn Uplick Eesm Name EIKY / EKW EIXY EY EKY EKV Uplink Frecuercy (MHz) t40fE—14250 14010—122E0 14000—14250 14000—14260 14C00—14255 140017—14250 Uplink EaamPolargation verlleal verliosl Nerical vertcsl verical Vverical Uplink Relative Conlsur Level (d8y 5.5 5.0 —£.0 ~E1 ~54 ~50 Uplink Corour G/T (YB/Kp —3.5 +345 «35 ~35 ~3.5 ~3.6 Uplink SFD (dBViim*} ~3$22 322 —422 —64.2 ~54.2 ~64.2 Ran Rets ( 1 95.0 95.C 5.0 95.9 5.0 25A DOANLINK 3EAMINFORMATON_____________ Ooanink Eazm Name EIH EIKH EIKEH: EIKH EKE EKA / Downlink Prequancy (MHz) fesdb127E0 desfod2yed d2fOA2730 12tO0—4273B 4250042751 1250042750 Downiink Eaam Polarzation. Harmoniat Hortontat Hodzontal Hodranial Horlzcrial Horlzcalat Downlink Relative Cordour Level {d8) ~5.5G —5.0 —EG —€30 ~5.d —54 Sowniink Corfour EIRP (dEW) 40.9 41.9 41.9 59 4Bb.9 40g9 Remn Rete (mmaibry _ 95.p as.p a5.0 aso seq E50 A El Sateillie 1 Orbiial Location. E315C E315C EHISE $3.15°E 83.15E S3.15°E UplinkPower Denslty (CBWIHz) ~5%.0 ~5BO ~55.0 ~E00 —50.0 —510 UplinkPolarizaton Acdvanlage (dB) n‘ B B 5 o o BoanlinkEBPdenstyiaSwHe} —25.0 260 360 ~25.0 ~25.0 ~2%.0 ADJACENT SATELLTEA _ . ‘ Saleillis 1 Orbfsl Location E7.15°C E7.15°C 67.A5°Z B7A5°E S7rA5E 87.15°E UplinkPower Sensity {cSWIHz} ~5%.0 «550 —~EMO ~500 ~50.8 —310 Uplink Polarization Acanlage (dB) D & t 5 C D Downlink ERP Dengly(GSWHz} —25, —26.0 360 ~36.0 —350 ~25.G CARRIERINFORMATION.__._____________. . Cattior 1D : 1 1 t 3 3 3 Emission Designation sAMOFEF SaMOF3F SEMIFSF TelMGrn TemMIGTA sMIGTW informalion Rxts (kppe) na nz mix 55530.3 55830.3 5553235 Camer Medulalion: TYIFM THEM TVIEM CPSK QPSK QPSK Pesk:o Feak BandWidin of EDS (MHz} 4X 4.5 45 na ma ma Code Rabe nz ns Aid .5 CS S Oocdpled Sanciict (¢Hz) 36000 sEHLG Eoulea] 60265 61255 GE2St Atocaled Baraligth [!frlz] 3620G s6aLG sadto TealOd 72000 73000 Stinlmum CN, Cear Sky{d3) 1040 10.50 10.50 3.36 335 236 MinimumON, Ran (dBe)_______ onl 1000 10.5G 10.50 3.36 3.35 136 UPLINX EARTH STATICN Esrin Stallon Plamsles (melsrs} 4.8 45 4.5 4.5 4.5 45 B4.6 §4.6 54.6 54.6 E46 54.6 31.9 31.8 31.9 31.9 319 19 Sarih Stalion Clamsle: (metars} 233 233 2.35 2.62 262 262 Sarh Sializn Gain {dBly 47.9 47.G #7.9 ch3 469 46.9 Sarth Stalon G/T {dB/K) 25.6 25.8 23.9 26.3 26.3 \_ c5o Sarlh Sialton Svalion Ange a1.9 \31.8 319 319 319 312 LINK FADE TYPE ‘Clear Sky Up Fage Down Fade Clear Sky UpFais Cown Faie UPLINX PERFORMANCE UplinkSara Stafion EIRP (dSvl T46 T46 74.6 TE3 Tas Uplink Palh toss, Clesr Sky (dB) 207.A 207.A 207.1 207. Uplnk Rein Atteraiation {4B) L# 4.D O.G %0 Sateillls GT (CEFR) <3.5 <45 —45 —35 Salleman Constanl (CBWIK—Hz) $23.6 2256 226.5 2385 Cartier Nclse Sandiwicth {dB—H2z) ~55.0 —56.0 ~56.0 T7A uplink CiN (dB) 25.4 22A 26.4 i4 COANHLINK PERFCORMANCE * Downlink E1RP per Carrler {d5vn 37 371 37.1 «4Bq 409 40.9 Antenna Polning Eror (d8) «.5 15 —LS —~L.S ~C.£ —0.8 DownlinkPath Lass, Clear Sky {dBy 205.2 206.2 2062 2162 206.2 26.3 Downrlink Rain Actsraalien (dB4 0.4 0.G 3.5 d cJ 35 Sarth Stallan G/T {d5R) 25.5 25.6 22.9 26.3 263 259 Sqlleman Coretanl (CBWIK—2z) 223.6 223.6 2266 23E6 26.6 233.56 Camer Nolse Sanciaisth {dB—Hz) _ ~55.0 —56.0 +560 T7A "T7A —776 Sownlink C/N{dB) 13.6 18.6 12.2 11.7 T17 E.3 COMPOSITE PERFORMANCE ____.______. . CiM Uplink (4B) 25.4 22.3 256.4 184 T44 164 CiM Dowalink {dB) 18.6 13.6 12.2 147 MF 5.3 C Othes links (Co—channet & Ih}] 22.0 22.5 22.0 24.0 240 24.0 Cl UplinkAdjacent Sebeille 1 (dB) 37.2 37.2 37.2 20.2 292 so.2 CA Comnlirk Adjacent Ssteillte 1 {dB) 23.2 25.2 23.2 16.3 16.3 16.2 C Uplink Adjacent Scbetile 2 (dB) 37.2 37.2 37.2 282 se2 sap C Conntink Adjacent Sebellite 2 {48) 236 23.6 236 169 16.9 169 Ci(N+!) Composhs (dB) 15.0 145 111 48 E4 415 Required Syetem Margin(dB) 1.% 1.1 11 11 11 4.1 Atinimium Required CAN (oB) 10.0 10.G ° 10 34 as 34 Expess Link Margin (dB) 59 3.4 C.G 4.5 37 BA 8 2 3 2 1 1 1 upink Density (CBi¥Hzp —<5.0 ED 460 «552 +439 —53.9 Sonniink EIRP Sensity at Eeam Pssk. —23.0 «230 ~230 —20.9 —30.2 —30.9 Page 82 of 93

EXHIBIT 12: HORIZONS 2 Ku—BAND LINK BUDGETS (continued) UELINEBEAMINFORMATION — Uplink Eeam Name: ECY EIRY EO EFO® SIKW EIKY Uplink Precuercy (MHz) 14030—14250 14070—44250 14320414280 14100—14258 14200—14250 14000—14255 Uplink Eeam Polarzalion: verlioal verllcal Verllcal verical vericst vemicet Uplink Relative Contour Lexzl(dB) ~5.G —6.0 —£.0 ~£0 ~6.4 ~54 Uplink Comaur GIT (dB/K) 5.5 ~45 —35 —35 34 ~3.5 Uplink S7D (1BVemn®) ~52.2 §22 +422 —C22 ~62.2 ~622 (mrathr 95.0 95.0 5.0 aso 250 t50 Downlink Eeam Ns EIKH EIKH EIKH ELE EIKH EIKH Sownlitk Freguency(MHz}) 12500—127E0 12500—127E0 12520412750 12500—12750 128004142758 12500—12750 Downlink Beam Polsrizalion Hanzonial Hertonlat Hedzontal Hoczanial Rofzcrial Horzontal Downlink Relatve Condaur Laval {4B) 5.5 —5.0 . —£.0 ~E.4 ~6.0 ~54 Downilnk Carrour EIRP (dBW) 40.9 40.9 41.9 409 409 40.8 AainReee (remihry_ 95.D 95.0 950 azd s&9 ced Sateillis 1 Orbiial Losation E5.15°C E€5.10°C 63.19°2 $315°E 83.AE EEABS UplinkPower Density (cBWiHzp —5%0 ~5B0 —EB0 —E08 ~ —00 ~51.0 Uplnk Polarizson Advaniags (dB6) 0 & 4 & C C Downtliink EIRP Sensity (dSWwHz} ~25.0 ~26.0 360 ~26.0 ~25.4 —25.0 A — Scteilis ial Loce EFASE E7349E SrASE S7ASE BTAEE S7.A5°E Uplink Power Sensity {cowiHzy ~—58.0 ~55.9 ~2Cu0 ~50.O —~50% ~5I.G Uplink Polarization Advaniags(d6) . 0 C & E a o DowninkEIRP Density(dBWHzp_____._________ ~256.0 ~26.0 260 ~46.t 45.¢ —25.0 CARRIER INTORMATION CatierI® 5 E& & 6 & 6 Emission Designation 10MIGTHY 10M3GrT 10M3GIVW 101KGF 10IKGrUT 1IKGFV Infomalisn Rars (Kbpe] £223.0 E24000 E2400 TL&4 TEA 704 Cater Mcdilalisn: QFSK QFSK CPSX CFSK CBBK PS Pesitio Feak Band«idih of EDS (MHz} na nfa nia nia mia néa Code Rate . 5.5 0.5 0.5 TS C3 EuS Oocupled Sandwicth («Hz) 6771 6771 6771 75 TS 75 A¥ocaled Bardaion (13z) 10308 10300 10350 120 120 103 Minimun CH, Clear Sky (d5) 337 357 3.57 2.59 2.79 478 Minimum ON, Rain f4B) 387 5457 3.57 259 2.79 273 UPLINKEARTH mroninizmmmenmrnzen n Sarih Stalion Olar [m dE 45 4.5 4.5 4.3 «.5 Sarih Station Gain (dBty 546 §4.6 54.6 S4. E4.4 €4.6 Sarih Stalion Sevalion Ange 31.9 31.9 3t.9 319 319 319 DONHLINK SZARTH STATION Sarih Stalion Olsmater imefers} 232 223 2.32 2.39 2.39° 238 Sarih Station Gain (dBly dy.B 47.9 47.9 4621 46.1 46.% Earih Ssalion G.T(dBK) 25.6 25.6 22.0 26.0 260 25.1 Earn StalionStvalion Ange 31.0 S1.8 319 319 319 31.9 LINK FADS TYPE Clear Sky Up Faga Daown Fade Clear Sky Upiraile Coxn Faie UPLINXPERFORMANCE__. UpInk E;altq Station EIRP (dSwiy TS TS TLs «59 459 499 Uplick Path Loss, Clesr Sky (dBl 207.1 207.1 2071 207.1 207.% 2CF.Af UplinkRain Alteraiation {dB) 0.4 45 O.G T.C 49 Gol Saleillis G.T iCEK) ~3.5 ~45 ~45 —3.5 35 ~32 Sotlzman Constant (CBWIK—Hz) 425.6 229.6 2286 2366 2106 219.6 Camter Nclse Sancwicth {dB—42z} ~65.3 56.3 —563 ~18.4 ~18.4 ~45.6 uplinkON(4B) LC 15.5 240 188 141.3 162 Downlink EIRP per Carrier {d5W) 32.8 32.0 32.9 12. 12.3 12.3 Anleana Pointing Eror(d8) 4.4 "45 L3 ~CUS ~CL5\ ~0.5 Sownlink Path Lass, Clear Sky {dB) 205.2 806.2 262 216.2 2162 206.3 Soanlitk Rain Aflarualicn—{dBh DA 0.G 3.5 C O aS Earin Sialion G/T {dBuK) 25.6 25.6 22.9 240 2641 251 Satlzman Constant (cBWIK—H2z) 223.6 225.6 2266 226 2384 220.6 Catier Nolse Sanciicth {d842} ~63.5 58.3 «66.3 ~48.4. ~184 ~13.56 Downiink ON (dB) 12.3 12.2 5.6 11.3 11.3 4.9 COMPOSITE LINXPERPORMANCE____.___.._ ' C Uplink {48} 20.G 15.9 23.0 129 14.3 162 CN Downlink {dB) . — 12.2 12.2 5.6 11.3 11.3 42 C Olhes links (Co—channet & 1M) 16.5 16.5 15.0 160 160 154 C Uplink Adjacent Sebeiie 1 (dB) 30.7 31.7 30.7 29.7 227 $9.7 . C Contiink Adjacect Sateillte 1 {d9) 15.7 16.7 16.7 189 159 150 CA Uplink Adjacent Sateilie 2 (dB) 30.7 "MLF 3M.7 20.7 287 say CA Dowrlink Adjacert Sateilte 2 {dB) 17.3 17.3 17.3 165 165 165 CiN+!) Composiiz (dB) 64 8.3 #. 79 T4 39 Required Syetem Margin(dB} 1.% 1.3 1.1 11 11 4. Kinimium Requred C(GB6) 59 3.6 3.6 30 23 28 Excess Link Margin dB) 5.6 3.5 0.G 36 35 CJ Mumber of Carders_ 6 & & 720 720 721 CARRIERDeNSHTYLEVELSOsul2_ull — Uplink Power Sensity (coWHzp —52.4 —524 —E24 —55.4 —53.5 —53.5 Doaniink ENP Censity at Seam Pask. ~29.4 —20.4 294 —50.5 —30.5 —30.5 Page 83 of 93

EXHIBIT 12: HORIZONS 2 Ku—BAND LINK BUDGETS (continuéd) UELINK BEAM INFORMATION® SLl . Uplink Beam Name ElKV EIKY EIXY EKV EIRY ECY UplinkPrequarcy (MHz) 1d40I0—14250 14030—14250 1+900—14250 14000—14838 14000—14238 14003—1425G Uplink Eesm Polarzation verlltal verlltsl Nerlcal Verfcal Vericel venlat Uplink. Relative Conlour Lavel (d8) 5.5 —5.0 E.0 ~64 54 ~50 Uplink Corfaur GIT (dBIK} —3.5 —4.5 —3.5 ~35 5.5 —3.5 Uplink S7D (dBYim®) ~32.2 522 —322 —52.8. ~52.2. ~82.2 san moobry_ bD~ osp 95.b 920 asa 350 t5t DOANLINKSEAM I Dlnolnninhus > Donnlink Seam Name EIKH EIKH EIKH EIXH EKH _ EIKH Donnlink Frequency (MHz) 12530—427E0 12510—427ED 12500—12750 12500—1278% 12200412758 12500—142730G Ooanink Basm Polarzation Hartonta) Hcrzontal Hectzontal Rodtzgncal Horzorial Harzcals! Sonnlink Relative Contaur Level {cB) ~5.5G 5.0 +£.0 —£0 ~EG ~54 Donnlink Carfour EIRP (dBW) 40.9 40.8 41.9 4C.9 409 408 Aain Rers (mmbr) 95.0 95.0 85.0 950 350 SSut ADJACENT BATELLTTEA mscclol Salelfis1 Orbisl Locarion E3.15°C E319C £3.19°2 83.A15°E 83.AE §3.15°E. Uplink Power Density (cBWIHzp —52.0 —5Bq +500 ~20.0 ~508 5.D Uplink Polarzation Advanlage(dB) o 2 & B a o Sonnilnk EIRP Sensity{dBWHz} ~25.0 26.0 260 ~26.0 ~254 ~25.0 ADJACENTBAEELMTER__22___| 1 Orblal Location E7.12°E E719C E7A9S*Z d7.A15°E STAZE 4715E UplinkPower Density{cBwIHzp ' ~50.0 —5CA —EEUD —E0.0 0_ +500 —50.G Uplink Polareation Advantage (dB) 0 . { h E a 6 Sensity{@GWHz)_ wl —25.0 26. 460 ~260 ~s54 ~35.0 Catier 7 7 7 & & . & Zmission Dssignation 1MAEGII IMISGIV 1M45GIHW 4OIKGAY 40IKGTW AICKGNT Infomalisn Rats (kope) E14.E 614.5 614.5 1835 1835 1815 Camier Medulatian EP5K SPSK SPSIK BFEK EPSX HPSXK Pask :o Peak Bendwdih of EDE (MHz} nz n‘s nig na ma ma CodeRate CE 0.5 0.5 .5 CS CS Oscupled Sandaicth (¢H2z) . 1228 1223 1229 307 307 207 Alocalsd Bardaign (KH2z) 1420 ~0 14ED 1480 450 4CQ 401 Minimum OH, Clear Sky{d3) 34D 270 270 3.40 2.70 273 Minitum CN, Rab (dB) 340 . 27b 2.70 340 2.70 278 UPLINK EARTA STATION _________________ ‘ Sarin Salion Clamsler (meters} 45 «w8 0 4.5 2.5 25 jels Sarth Stalen Galn. (dB1} 5.6 54.6 54.6 4BE 455 49.5 Sarth Station Suslion Ange 31.5 31.9 31.9 31.9 319 31.3 BOANEWHKEARTH EarthS‘allon Clamsler {metars} 23B _ 2ED .50 420 481 .50 Sarth Statlon Gain (dBly 45.5 43.5 43.5 SaAf EAS 556 Sarih Ssailon G/T (d5/K) 0 254 25.4 23.5 41.5 315 26.5 Sarih Statlon Stwallon Ange: 31.9 31.9 31.9 31.9 319 31.3 LINK FADS TYPE CC Clear Sky Up Fage Dawn Fade Claar Sky UpFade Tonn Fade UEELINX PERFORMANCE: \ Uplick Earth Station EIRP (d9ve — 61.6 B1.6 SL.G 459 45. 1459 Uplink Path Loss, Clear Sky (dB) 207.1 207.1 207.1 237.1 207.% 207.% UplickRain Acteraation {d8] ". CuB 45 1.G ©O 4.0 ED ~— Ssiellis G/T (dESK) ~3.5 —45 —425 —4.5 —5.5 ~35 Salteman Canstant (CBAUK—Hz) 223.6 225.6 22EA 2265 236.6 255.6 Camer Mcise Sandwioth {18—42) ~53.9 ~SG.q «5BQ —54.9 ~54.9 —54.9 Uplink CON (4B) 13.4 144 15.4 > 26 4.7 E3 SONNLINK PERFORMANCE donnlink SIRP per Carrier {d57} 24.0 24. 24.0 1£.3 16.3 — 163 lAntenna Poining Error (d6) 15 +1.5 —~ES EuS —CLS <——08 Donniink Path Loss, Clear Sky {d8} 205.2 206.2 B16.2 2162 206.3 ‘ 256.3 DonnlinkRain Acteraialion {dB) td 0C 5.5 #.0 £.G 35 ESarih Sialion G:T (dBVI) 25.4 25.4 235 315 15 26.6 Sollzman Constant (CBAYK—Hz) 228.6 220.6 . 2205 226.5 220.4 228.6 Camer Mclse Sandaioth {48—H2) —51.9 «§59 «65. —54.9 +549 —&1.0 Conniink CN (dB) 11.2 11.2 4.9 167 16.7 5o 104 ComPOs NX PERFORMANCE_ __;________. ‘ CiN Upthk (18) 13.4 14.4 18.4 4.6 Pls £.3 C Downliok {dBy 11.2 11.2 45 167 167 104 Cit—Othes IInks (Co—channef &. IhM) 16.0 16.¢ 16.0 160 160 16. C Uplink Adjcent.Sztelile 1 (dB) 29.3 23.2 29.2 126 125 19.6 Cit Connrlink Adjiacert Sateilfe 1 {dBj 15.9 15.3 15.9 21.7 217 21.7 CE Upink Adjbcent Seteille 2 (doy 29.2 29.2 29.2 126 126 19.6 Cif Conniink Adjacent Sateillie 2 {dB) 16.5 16.5 16.5 22.3 22.3 $2.3 Ci(h+l) Composts (dB) . T.4 7.3 3.6 &T o\ 20 RS Required System Margin: (dB) 1.% 11 1.3 11 41 41 Mintmium Requred CA (CS) 34 2.7 2.f 3.4 27 27 Excess Link Margin fdB) 3.3 3.5 1B 2.2 EO 17 49 «43 48 1E0 120 160 ~53.9 —53.9 —549 «564 —584 ~53.4 Downilnk EIRP Densiy al ReamiPssk —30.9 359 359 —20.5 —31.8 —31.5 Page 84 of 93

EXHIBIT 12:; HORIZONS 2 Ku—BAND LINK BUDGETS (continued) UPLINK BEAM INFORMATION : Uplink Basm Name EKW EIKY EIRV EKV EIKV El Uplink Prequency (MHz) 14030—14250 1400014250 14000—14250 14000—14260 1ME00—~14258 . 14003—H250 Uplink Basm Polartealion: verlical werllcal Vedlcal \erlesl eriest veriet Uplink Relalive Contour Level (dB) 5.5 5.0 ~5.B ~6.4 ~6G 54 Uplink Comaur G/T (1B/X) ~3.5 —45 —35 35 346 ~$.5 Uplink 57 —52.2 ©22 —42.2 —E4.Z ~E8.2 ~64.2 95.0 95.0 5.0 asa 480 tad Donnlink Seam Name ‘WIKH NHKH VIKH VIKH WiTKH WIRH DownlinkFreguency [MHz) 1258012780 1253042750 125E0—12750 12500—12750 12500—12758 12500—13750 Cowtiink Saam Polarization Harontal Hcrtzoniat Hedaontal Fodzcnial Honzcrial Horlzontal ComnlinkRelative Confour Level (dB) ~5.5 —5.0 —£.0 —£J ~60 ~5.0 Donntlink Comour EIRP (YEW) 44. 44.3 44.5 #d4.3 44.3 44.3 Ran Race ({mm‘heh 220 225 22.0 220 220 22. ADNACENT BATELLITE 1 Sateills 1 Orbrel Location E5.tseE E315°% 83.13° 32.159°E sA1FE 4315E Uplink Power densty(CBMOHz) +580 ~5cD —5BRo —E08 ~500 —50.5 Uplirk Potarization Advantags (dB] a B t B a C DontiinkEIREP denslty(dowWHz} ~25.0 260 260 ~268 ~26% ~25.0 ADJACENTSATELLTEEE Sateillis 1 Orbist Location E7.E ETASE® 87.15°= S7A5°E e7AZE A7.15°E uplink Powar Density(cBWIHz} —50.0 «500 —"BO —E0N —50.0 —50.G Uplink Polarzaton Advanlage(d6) a td & B 6 o DownlinkERP Den —25.0 2680 2600 ~26% ~254 —25.5 Catter 12 1 i i # 3 3 ‘Emission Deelgnation aeMORSF 3BMOFSF 3EMIFIF TeMAGTA T2MIGTAH TEMIGTH informalion Ras (ppe) ria nz nia s5e30.a ssesq.a ste3ns Catier MedLtalion: TOFM TVIFM TVIFHI GPSK QPSK GPSK Pssiio Feak Bandwidin of EDS (MHz) 4d _ 4.5 4.5 nia nia nid Cods Rabe bre n nc .5 ES ES Cocupled Sardiicth (¢Hz) 36000 263L0 S5100 61565 51266 SCBGE ATosaled Bardlaten (KHz) 36000 36300 35100 T2cd T3L00 TSCOD Minimum C/N, Clear Sky{d3} 1030 10.c0 10.00 3.35 3.35 436 Minimum C/R, Ran (dB) 1040 10.EG 10.50 3.34 235 235 UPLINKEARTH Sarth Salizn Diz 45 46 45 4.5 4.5 45 nh Stallsn Sstn. (dB1) 5.6 §4.6 §4.6 54. E445 SA.5 Sarh Stalion Sevalien Angle 31.9 31. 31.9 31.3 319 Ma DOWNLNK SARTH STATION Sarih Stallon Slamsler (melsrs} 110. 1.10 1.340 147 £17 447 Sarth Staifzn Gain (dBty 41.4 41. 41.4 41.9 419 41.4 Sarh Slalisn GT {dB/K) 19.4 19.4 18.¢ 129 199 164 Sarh stalion Svalion Ange . 20.6 216 25.5 25.5 sas 59.6 LINKEADETYRE________ Clear Sky Lp Fage Down Fade Clsar Sky UpFais Coxn Fade uptih® PERFoORMANCE _ Uplrk Earth Station EIRP (dSviy T&G T46 74.G TEs 765 Tes Uplink PathLoss, Clasr Sky(1B) 207.4 207. 207.1 207.1 207.1 207.% Uplink Rain A—teraation {dB) 0% 45 0.G Bd 4.0 BQ Bsteilis GVT (cBrky —3.5 —45 —3.5 —45 —3.5 —3.5 Seltzman Conetanl ({cBWUK—H2) 325.6 225.6 2226 23665 2366 236.5 Camter Nolse Sarciicth {48—72z) ~55.0 ~56.0 «660 "17A 473 i.6 UpinK OMIIBI_____________ __ 254 22.3 26.4 16.4 144 164 BOANLIWNK PERFORMANCE _ Doarink EIRP per Cairier (dBvi 41.5 40.5 #1.5 44.3 44.3 Anienna Poining Emor (dB) —1.5 —L5 —C.5 —£.3 —C8 DownlinkPath Loss, Cear Sky {dB] 205.2 206.2 2162 2162 206.3 © CownlinkRsin Artsnaslion (dB) C 0.G 0.Z ©.0 [O Sarin Stallon T fd5ik) 19.4 19.4 18.4 129 129 seltaman Constant (CEAWIKA2z) 120.6 225.6 2256 2366 2366 Catier Acise Sancwicth (dB—42) ~55.0 SE0 ~56.0 "T7A T7A DonnlinkC/M (dBj 15.6 15.6 12.9 4.2 62 COMPOSITE LINX PERFORMANCE CINUslink (dB) 26.4 22.3 25.4 184 144 18.4 CINDawaliak (dB) . 15.6 15.6 13.9 8.2 E.2 624 CitOire: links (Co—channel & I\M} 22.0 22.0 22.0 24.0 24.0 BA Cit Uplick Adjacent Seteiile 1 (d9) 37.2 37.2 37.2 20.2 262 2902 CX Conniitk A t Sateillle 1 {d1B) 17.7 17.9 17.7 122 122 122 C Uplink Adiacert Sshellle 2 f4B) 37.2 37.2 37.2 20.2 28.2 s92 CE Conniink Adljacent Sateilife 2 (€B) 19.9 19.5 18.9 121 1311 134 CifN+!) Compost‘s idB) 120 11.7 141 . £5 52 43 RequiredSystem Margin (dB) 14 11 14 11 11 41 Minimum: Required CaN (CB) 10.0 10. 10.0 24 ad 34 Excess Link Margin (dB) 02 0.6 0d 11 on EO Mumber of Cal 2 .2 2 1 1 1 C Uplink Power density (cSwIHzp — —<6a ~60 460 «538 +539 —53.5 Coanlink EIRP Sensity al Eeam P22 16 —156 —128 375 472 475 Page 85 of 93

EXHIBIT 12; HORIZONS 2 Ku—BAND LINK BUDGETS (continued) UPLINKBEAMINFORMATION . hiz Uplink Beam Name EY EIKU EIXY EKV > EKV EIRM Uplink Preguercy (MHz) 14030—14250 HOI0A4ZEO 12010414250 , 1400014250 14000414258 1400]—14250 Uplink Eaam Polanzalion verlical verlical NVedical \ vertcal forfcst Veriss Uplink Relative Contour Lavel (dB] ~5.G ~5.0 —£0 < ~61 5A ~54 Uplink Comour GIT (dBVKp ~3.5 ~4.5 ~35 —~3.5 34 ~3.5 Uplink S2D (dowim 82.2 322 ~§22 ~E23 ~62.2 ~€2.2 Ran Rate (Immitth 95.0 95.5 95.0 95.0 s50 5.0 DOWNLINK SEAMINFORMATION______._____.. Domnlink Easm Name WIKH WIKH WIKH VAKH VAXH WIKH Domwnlnk Frequancy' [MHzp t25]0—12750 12500—42780 12500—12750 12500—12753 12800—12757 12500—12750G Sontlink Besm Polarzation O HortoalsE Hortonlz# Heetzontal Redzonial Korzorial Horlzontal Domnlink Relative Confour Level {dB) 5.5 —5.0 —E0 —Ed ~5.t ~5.t Donrlink Coriour EIRP (dBWw) d4.3 44.3 44.3 44.3 44.3 44.3 Ran Rats (mmi‘tr) 22.5 . 220 23.0 220 220 S2 ADMACENT BA.linnlnlonlzzw~ Bateillls 1 Orbfal Location €5.15°C €3.15°C 63.45°2 33.15°C SaIECE - a112E Uplink Power Density {cowiHz} ~5%.0 ~5G0 ~5B0 ~EOt ~50.0 ~50.5 Upink PolarizaHon Advantags (dB) 0 & C C 0 G doatlinkE c 7p0 0 —25.0 264 260 ~35. —350 —25.5 Sateillts 1 Orbiial Location E715E 67.185°C 87395E S7A9°E a7AsE a7.15°E. Upick Power density(@GwIHz) ~52.0 ~550 ~5BO 500 ~50.8 ~50.5 UuplickPolarizston Advaniage (dB) 0 O & 5 O C Dontlink EIRP Density {d5wHz} ~25.0 +260 260 «265 ~36.4 ~25.0 CARRIERINFORMATION. _ Catier 12 5 & & . 6 \6 6 Zmission Dasignation 10MIGAY 10/SGIVUI 10M3GTA 101KGT 10IKGTUT MLKGAY informallsn Rais (Kope) §243.0 E2400 624001 Th& ThA 704A Catier Modkialion. QFSK QPSX . CFSX GPBK GPSK QPSK Peskio Feak Bandwidih of EDS (MHzp nz n‘a nig nia ma s CE 0.5 0.5 TS ES ES E71 6771 6771 75 T5 T5 Aosaled Bariwton (kH2) 103IG 10BLO 10300 1C0 120 104 Minimum CM, Cear Sky(d3) . SG7 357 327 2.59 2.72a 273 MinimumnCH,Rab(dB)_ oonln_ ast 3.57 ~_— &ST 2.59 2.7a 273 UPLINK EARTH STATION Sarih Stallon Dlamele: (meters) 4.5 45 45 4.5 4.5 45 Earin Stalion Gain (I81) §4.G S.6 . §4.6 54.5 E44 SA.G Sarth S—ailon Slvalion Ange 31.9 © 31.9 31.9 31.3 219 31.3 BOWNLINK ZARTH STATION _ ___— Sarth Stallon Diamsler (mefers} . 11G 118 1.10 141 111 1.1% Sartn Salion Gain (dBl) 414. 414 £1.4 41.5 415 41.5 Earih Stalion GT {d‘Ky 19.4. 19.4 15.4 145 12s 16.5 Sarth Stalion Stavalion Ange 20.6 29.6 226 206 204 19.6 LINK FADE TYPE Clear Sky Up Fage Down Fade Clesr Sky Up Fads: Comn Fate U PER T E Uplck Earth Shation EJRP (dSW) TD. TS 745 489 409 49.4 Uplnk Path Loss, Clsar Sky(18) 2074 207.1 207.1 207.1 2B7.% 207.4 uplink Rein Atersation {48) CB . 4.0 / 0.R 20 4.9 o Salelits G/T {cE/R) ~3.5 ~35 ~35 —35 ~2.5 ~3.5 Saltzman Coretant (cBWIK—H2z) 225.6 223.6 2266 22605 236.6 2536 Cater Hcise Sandwicth {dB—42) ~51.5 SE3 —EE.3 ~15.4 ~15.4 —43.6 Updink CN (18) ‘ 19.9 15.5 1%9 129 14.3 1i% 35.3 35.3 35.5 157 18.¢ 15.4 Aantenna Pointing Emo:idG) —4.5 +1.5 ~LS ~G3 —0.5. ~0.5 Donptlink Path Lsss, Clesr Sky{dBl 205.2 206.2 2062 2162 206.3 20G.2. Sonriink Rein «ftenasilen {48) C 0.D O.T ©.O d ET Sarth Stalion GuT {d5fl) 19.4 194 18.4 155 125 16.5 Soltzeman Constant ((BWIK—H2z) 120.6 223.6 2266 2366 220.6 228. Catar Scise Sandwicth (dB—42z) §1.3 SE3 —56.3 ~15.4 ' ~15.4 ~48.6 Oomnlink CN {d8) 92 9.2 74 4.2 &2 64 CCMPOSITELINXPERFOGRMANCE _ \ Cin Liptink £48) 19.9 15.9 19.9 169 \ 14.3 — 16% CN Dawnlink {dB) 92 9.% T.4 5.2 E2 64 Ci—Oine: links fCo—channet 8 IM) \16.0 15.G 16.0 16.9 160 16.0 C Lplink Adjacen: Sebeille 1 (dB) 30.7 30.7 307 20.F B7 29.7 Cit Comnilak Adjacent Ssteiite 1 (4B) 11.3 11.2 112 105 105 10.5 Cit Uplink Adjacent Szbellie 2 (dB) 30.7 30.7 307 250.7 25.7 c9.7 ClE Conniink Adjacent Sabaillte 2 (4B) 134 . 134 124 123 1238 124 Ci(N4I)} Composits (4B) — &5 5.3 4T 45 4.5 39 Required System Margin (dB) 1.% 1.3 13 1.1 ' 4.1 11 Minimum Reqgured CA (cB) j 39 3.6 3.6 20 2 23 Exoess Link Mangh (dB) C4 0.6 0.G Lk EY BA Mumber of Carders 6 & & 720 T2n 72, C Uplnk Power Density(CBWPHzp ~53.4 —324 524 —55.5 —53.5 —53.5 Connlink EIRP Densltyal Eeam Pssk. —25.0 260 260 —27.% ~474 ~27.4 Page 86 of 93

A EXHIBIT 12; HORIZONS 2 Ku—BAND LINK BUDGETS (continued) UPLINEKBEAMINFORMATION._.__ Wzzlls . Uplick ESesm Name EVY EIKY EIRY EKV EIRY EIKV Uplink Frecuercy (MHZ) 1400014250 1d400—44280 12350—14250 14300—14858 14200—14250 14000—14250 Uplnk Eeam Polartzation verlleal > verlioal Verical vertcal werloot Vericnt Upink Relative Contour Level (dBj ~5.5 ' +5.0 —6.0 ~€4 ~64 ~50 Uplink Condour GiT (dBiKp ~3.5 —35 —35 ~35 35 ~3.5 Uplnk S7D (doWim®} ~20.2 ~30.2 ~302 ~52.2 ~522 ~$2.2 e 95.5 95.0 5.0 9890 §80 $5 WIKH MIKH VAKH WIKH VIXH . ‘WTKH Downlink Frequency [MHz) 1250012750 12510—42720 1250012730 12500—42730% 12800—42750 12500—42750 Downlink Eeam Polarization Harzontal Hcrtontsé Hodzontat Fodzonial Rorlzon‘al Horzcatal Downlink Relatve Contaur Lavel (B) ~5.5G —5.0 —6.0 ~£9 —~6it ~58 Sownlink Coniour EIRF (dBW) 44.3 d4.8 44.3 44.3 44.3 44.3 Ran Rate (mnvhr) © 22.0 22.0 22.0 220 220 228 ADJACENT SATELLTE 1 — — > Saieillls 1 Orbil Location E3.15°C E315°E E315° 8315° S3MAEE a3AEE Uplink Power density(cBwPHz) ~580 ~55.0 —~5CO ~£0.8 ~50.0¢ ~50.G Uplink Polarizaton Acvanlags (dB) 0 # & & o 6 Oownlink ENP Density(@BWHzh_ . ~25.0 260 260 464 ~235.0 ~35.0 ADJACENTSAFELLTE 3 Sateillls 1 Orbial Losation E7.15°C E7.45°C ETASE 87.195°E B7.ACE AT.MAS"E Uplink Power Senstty {cBwWiHz) ~5%:.0 ~500 ~EE.0 —£0.8 ~50.0 ~53.5 Uplink Polarizstion Advanlags (dB) D 2 & B o o Donplink EIRP Density(a5W¥Hzk_ wl —25.0 26.0 260 364 —25.0 ~25.5 CeR TCN ' ' Cater ID: 7 7 T & 6 & Smission Destgnation IM4EGIANT 1MISGI 1MMISGTYE 4OIKGzWY d4O1KGTW 4ICKGTA Infomalion Rats (Kbpe) 614.5 614.5 614.5 1525 155.5 1935 Camer Mcdulalion: ESK S>SK SPSIK BPSK EPSX EPSX P32X :o Feak Banudwidih of EDS (MHE) wa nia Aa fia Td nia Cols Rate 05 0S C.5 45 LS L5 Oosupled Sendwicth (<Hz) 4220 1228 1220 307 207 207 Afocated Bandaicth (Kiz) 1450 1480 > 1480 4c0 450 «4Dd Minimun C/N, Clear Sky{43) 345 270 > 2.70 3.40 2.70 27 Minimun CN, Ran(48) 3405 27G 2.30 3.40 2.71 273 UELINX EARTHSTATION > j Sarih Stallon Dlamesler (meters} . 4.5 45 45 1.8 13 13 Sarin Stailon Gain (dBl) §4.6 §S4.6 > B4.6 46.6 46.5 46.:6 Sarih Staiion Stvalion Ange 319 31.9 319 319 319 31.3 OOANLINK EARTH STATION______________ Sarih Stallon Dlamesler (meters} 135 130 1.50 4.50 4.91 4.50 Zarih S—allon Gain (dBl] 45.7 45.7 457 526 E36 536 Sarih Salion GT (d3R) 23.f 23.7 22.6 315 315 20.6 Sarih Szallon Stvallon Ange 29.6 20.6 226 295 P04 89.4 LINK PADE T Clear Sky Up Fade Down Fade Clssr Sky UpFads Comn Fade UPLINX PERFORMANCE Uplisk Earth Staton EIRP (dSW 53.4 531 531 457 457 45.7 Uplink Path Lass, Clasr Sky (18) 207.1 207.1 2071 2071 207.4 207.A Uplink Rein Asterriation {48] OA 46 C.G 40 4d BA Sateillls GT (cEK) 35 ~45 —3.5 35 35 34 Soitzman Constant (CBWIK—Hz) 225.6 225.6 22645 _ 2266 250.5 220.5 Camier Mclse Sanchwicth {dB—42) —51.9 ~55.9 —59 +54.9 «54.9 ~54.9 Uplink CN (48) 10.5 5.8 12.0 4.6 4.5 ES BOANLINK PERFORMANCE : A ' Downlink EIRP per Carrier {dS5W o 27.B 275 27.0 21.5 215 #15 lAnterma Pointing Eror (18) «4.4 L6 . ES —s —~D.s ~0.5 DowniltkPath Loss, Clear Sky(4B) 205.2 205.2 E2 . 2162 206.3 206.2 Downlink Rain Artsraglion (d8) — OR 0.G 0.7 40 C1 dgl Sarih Stalion G/T (d5/ky 23. 23. 22.6 316 315 20.6 Sqllzman Conetant (GBAWK—Hz) 228.6 225.6 2266 2366 230.6 2286 Camer Helse Sanchvicth (1B—42) ~51.9 —50.9 —5G9 —54.9 —54.9 ~54.9 Sownlink C/M {d8) 15 .5 9.7 200 250] 16.3 COMPOSITELiNkPERFORMANCE. lenzn_ CN Uglink (dB) 10.5G 5.2 17.0 4.6 4.5 &5 GIN Downltink (08) 11.5 1M.S 9.7 200 200 16.3 Cit—Olfes links (Co—channel & IMij 15.0 15.0 16.0 160 168 16.4 CA Uplink Adjacent Schettle 1 (dB) MB 216 216 124 2k 194 C Conriink Adjacent Seteilite 1 {49) 15.7 15.9 . E.7 24.9 24.9 24.9 CA Upink Adjacent Seeilte 2 (dB) LE mLG 218 124 124 194 Cit Conriink Adjacent Satsilite 2 {4B) 16.3 16.3 16.3 254 254 254 Ci(N+l) Composis (dB) 54 15 5.2 £9 A3 63 RequiredSystem Margin (dB) 14 1.3 11 #1 pM) 11 Minimum Required CA¥ (CB) 34 2. 27 24 27 24 Exoess Link Margin (dBj 12 0.G 1.4 2.4 C.d &n Humbte: of Carlers _______ — 48 43 48 20— teo ten 160 C . Lc Uplink Pow ty —52.5 523 —52.3 +€5.8 —55.8 ~55.6 Donnlink EIRP Sensityal Eeam Pssz : —21.9 ~27.9 —279 ~274 —27A 27.A Page 87 of 93

EXHIBIT 12:; HORIZONS 2 Ku—BAND LINK BUDGETS (continued) UPLINX BEAMINFORMATAON._;.______.________ Uplnk Eesm Name WHIKY VIKW VIEKV WNROL WEX ‘WIKA Uplnk Prequarcy (MHZ) 14000—14250 14070—124250 124300—14230 14000—14280. 1400014252 140]0—M25G Uplnk Seam Polsrealion: verlltal werlles! Vedical vertcal verfcal vericet Uplink Relalive Contaur Lavel (1B) 5.5 ~5.0 —£0 60 ~54 54 Upink Comfaur GIT (dB/XK) 2.3 «2.3 —23 +23 ~23 ~2.3 ~82.4 24 —424 . —E44 «B4A ~84.4 22.5 22.5 ‘ 23.0 220 229 328 Domnlink Saam Kave ‘WIKH WIKH VIKH VIKH VAXH WWTKH Downlink Freguency (MHz) 12530—12750 12510—127E0 125E.0—12750 12500—12753 12500—42750 13500—12750 Downlink Eeam Polarkation Harioolal Hortzonlat Hodzontal HRodaanial Horzorial Horlzontal / Downlink Relative Condour Level {dB) ~5.G ' —5.0 —£0 ~6.0 ~5iAt —5.0 Downlink Carcour EIRFP (dEW} 44.3 44.3 44.3 44.3 44.3 44.3 : h 22.0 22.0 23.0 220 220 220 Ssteiliz 1 Orbial Locadion ' E5.15°C E3.19°C 63.15°Z 83.15°2. 83.15°E §3.15°E Uplink Power Censity (cBwiHz} ~50.0 ~5R0 E50 ~E0.d +504 ~50.G Uplink Polarization Advantage(dB) o t # E o o Downlink EIRP Sensttyia5wWHat ~25.0 260 se0 —368 354 ~25.0 ADJACENT SAGELHTE 2: wl Saleilile1 Orbfial Locadion E7.A5C Er.19°C 67. A5°Z 87ASE. a7AsE 875E Uplink Power Density (CBWAHz] c ~50.0 ~500 ~260 —E0.8 ~50.0 ~51.p Uplnk Polarzation Advantage(dB) a 0 d & B o o donclink E2P Rensity(GBWHz) 5_ ~25. 280 260. ~264 258 ~25.0 CA TION_:__ inz ‘ \ Camer 1D 1 1 1 3 3 3 Emission Decignation sSHOrer SSMOFSF SEMOFEF T2MGTAW T2MIGTA TEMIGIVE informallan Rxs (kope) . s fm mie §5539.4 $5500.3 . $55398.5 Camer Meditalion: DFKM: TVFM THAFM CPSK GPBK GPSK Peakio Feak Bandutdih of EDS (MHz) duit 45 45 na mig m Code Rate nz nz nia .5 LS CS Occupled SandWichh (XH2z) 26000 6100 Sadto 6N264 64258 5525E Atocaled Baretaicth NKHz) 26000 26ULO SSita T2LOD T2CO1 75000 Minimum CN, Clear Sky(d3j 1040 10.50 10.50 3.04 , 3.3 A3E Minhrum CN,. Ran (18) 1040 10.c0 10.50 135 35 ; 3.36 UPLINK EARTHSTATION . ~~ 4.E 4.5 4.5 4.5 4S 435 §4.6 5L6 b 54.6 S4.5 E46 5.6 L2 22.6 23.6 . 236 226 206 $0.6 Sarn S—ation Dlamsler (metsrs} 11G 1.1G 110 1.47 t{AP > 117 dh StatiancGain (dBf 4.4 1.4 S1.4 419 41.9 4128 th Station GT fd30Ky 19.4 19.4 124 129 189 1 c Sarin Siation Stavalion Ange 226 22.6 23.6 224 296 49.6 LINKFADE TYPE 11e Clear Sky Lp Faga Dawn Fada Clsar Sky UpFade Cown Fale UPLINX PERFORMANCE . AUplck Earth Stafior EIRP (0SW) 745 T45 745 TE3 76.3 > 78.3 Uplirk Path Loss, Clear Sky (dB) 207.2 enR 207.2 207.2 2072 207.2. Uplick Rein Atlerantion {18 D.A 08 0.G £.0 .9 CA Sctelllie G/T {co/K) 2.3 ~2.3 —23 +23 +23 2.3 sqiteman Constant (CBWIK—Hz) 323.6 225.6 2285 2366 2364 228.6 Camer fcise Sandwicth {d48—42) . —55.0 ~56.0 ~560 —1r8 —37A ~77& \ uplink CN{d8) 27.6 25.6 25 i25 1&s 146 8 t Downlink ERP per Carriar {d5V2 40.5 ©J.5 <1.5 «44.3 44.3 «44.3 Antenna Polning Erroc 461 ~1.5 45 —~LS ~LS —0S 15 Donniink Paln Loss, Clear Sky(dB) 205.2 2082 216.2 2162 2CG2 205.2 Downlink Rain Attarualion {dB) d d O.F .0 Lo EZ Sarih Szalizn T (dBHK) 19.4 49.4 12.4 129 199 182 salleman Constant (CBAUK—H2z) 423.6 224.6 2266 2266 2204 233.6 Catier Ncise Sancaicth {dB—H2) ~56.0 560 ~~ —66.0 —T7.4 —77.4 —~77.6 Qownlink ON (dB) 15.6 15.6 128 5.2 €.2 ' 64 COMPOSITELiNk PERFORMANCE — C Uptink {48) 27.8 25.6 27.5 125 166 195 CN Downlak {dB) 186 . 15.6 126 4.2 . 62 E.4 C Olnes links (Co—channief & Ihi} 22.5 22.5 22.0 24.0 240 26A C Upink Adjacent Sateiile 1 (dB) 37.D 37.G 37.0 25. 29.1 g9.1 C ConriintAdjacert Sateiltle 1 {48}) 17.6 > 17.6 17.6 122 122 122 CA Uplink Adjacent Scteiile 2 (dB) 37.p 37.0 37.0 29. 29. 894 Cl ContiinkAdjacert Sateilile 2 {48) 12.6 12.5 116 131 13.1 13.4 CNN+!) Composts(dB) 12.G 11.9 121 &6 5.5 «45 Required System Margin(dB) 11 11 14 . 11 1. 1. Minimum Required C¥ (cB) ‘ 10.G 10.G .0 34 s 34 Excess Link Margin (dB) 0.4 D.E C.G 11 41 GD Numter of Carders ______ 2 % 2 I 1 1 BENSHTYEEWELS00010 ‘ Upink Power Sensity(COWIHz} ~46.1 ~6.1 ~16.1 ~54.1 —54.4 ~$4.4 Bonniink ERP Sensttyal Seam Pss —12.6 ~186 186 —87.5 —475 —27.5 en \ Page 88 of 93

EXHIBIT 12: HORIZONS 2 Ku-BAND LINK BUDGETS (continued) UFLINK BEAMINFORMATION— . Uplink Eeam Name WIKV vIKY VIKY VArL WEQ‘ WIKWY Uplink Prequercy (MHz) 14000—14250 14000—14250 12000—14250 14300—14258 14500—14258 14000—M250 Uplink Beam Polarzation verllcal verlloal Vedical vertcal Nericen Veriel Uplink Relative Contours Level (dB) ' 5.5 > +£.0 —E0 5.9 d 5 Uplink Corcaur G/T (dB/ky 2.3 43 +23 23 ' 23 B3 Uplink S20 (dBWin®} ~32.4 32.4 —424 —E24 ~E2A. ~62.4 RanRate (rimihry _ L__L 22.5 22.0 22.0 220 220 320 DONNLINKSEAL 4A Sownilnk Beam Name: . WIKH WIKH VIKH WIKH WIXH ‘WIKH Downlink Frequency (MHzp fesgb37E0 dosd0—427s0 dosto—darso dasoo—42fsa dosoo—t2rsd dosobsAarst Downiink Basm Polarcadon. Hormonia® Hcrizontal Hodzontal Resizanial Honlzcrisl Horlzcatal Donnlink Relative Condaure Level {1B) 5.5 —£.0 —£.0 +£0 64 —54 Oownlink Cortour EIRP (dBWw) d4.4 44.3 44.5 41.3 44.3 44.3 22.0 22.0 220 220 320 220 Sateillls 1 Oroital Location. E5.15°E E3.19°C 63.45°5 83.15°2 SSE 43159E Uplink Power Sensity (cBWHz} —584.0 ~55.A ~5000 ~E0.4 —E0R ~52.5 Uplink Polarization Advantags(d8) o & B & a o Donnlink ENP Density (d5)MHz} . . ~25.0 268 260 —564 ~B64 —25.5 Sstelifis Ororal Location | ET15E E7.15°% $7.a5*= 87.15°E 87.A5°E a719E Uplink Power Sensity(CBVPHzp ~52.0 —52.0 ) —sma ~50.0 ~50ih —50.0 Uplink Polarization Advantzge (d8) a & es C a o Donnlink EIRP deasity(d5WwHz} ~26.0 260 2641 ~26.0 ~35.0 —25.5 5 5 & 6 6 6 Emission Designadion 10MiGTT 10NMSSIAT 10M3GIH 10GIKCPN 101KGFW MCKGNU Informalitn Rxtz (khpe} E200 E2200 £2400 Th& Th 70A Camer Medulation: GUFEK QFSK CPSX CPSK GP5K QPSK Psstio Peak Randvidif o EDS (MHz) na h‘a nig wa nia ned Code Rete ns o8 a.s ~o—_ as Bs B4 Oocupled Sandicth (NHzy 6773 6773 6771 75 76 75 Azocaled Baerdaiot (KH2) 10300 10350 10220 120 1Ed 10) Minimun CN, Cear Sky {03) 387 3.57 3.57 2.63 _ 2.79 273 Sinimum CN, Rain (1B) 357 357 3.57 2.99 279 273 UPLINK EART h L222____ Earh Statlon Olamsler (meters} 4.6 4.5 45 4.5 44 44 Zarih Stalion G3in (dB1) <© 54.6 54.6 §4.6 Sdo5 SLg 54. L_ 20.6 23%.6 22.6 2596 354 29.6 Th Stallon Slameter (melsrs} 115 1.1G 1.10 141 111 1141 Zarth Smation Gain (dBt) d44. 41.4. 4tid 415 415 41.4 Sarifl Stallor G/T {d5/K) 19.4 19.4 19.4 125 ths 166 Sarlh Siation Svation Angle 23.6 20.6 23.6 2596 284 29.6 LINK FADE TYFE : es . ‘Clear Sky Up Faga DawnFads Clsar Sky UpFade Cown Fade UELINK PERFORMANCE: ‘ Uplink Earto Station EIRP (dBvH 70.3 70.3 Ta3 408 484 49.3 UplnkPalh Loss, Clear Sky (d8) 207.3 207.2 207.2 2072 207.3 2072. Uplnk Rain Arteraiations {dB) CS 0.9 0.5 £.0 ES3 o Ssleillis G:T (CEK) 2.3 2.4 —23 ~23 23 23 Solizman Corstant (CEWUK—Hzy C , 4236 225.6 226.5 22665 216.6 2235 Camler Nolse Sandaicth {d8—H2z) — ~51.5 56.3 ~56.3 ~18.9 ~18.4 ~13.6 Uplink CIN (dB) 215 20.4 21.0 250 151 old DOANNLWKPERFORMANCE. — : > Dowrlink EIRP per Camier {dS¥1) 35.3 35.3 38.3 187 tEF 15.7 Aanleana Pointing Eror(d8) ~1.6 45 —~LS ~BS »«CLS —1.5 Downlink Path Loss, ClearSky {dB) 205.2 205.2 216.2 2162 206.3 2CG.3 Downiink R3in astanualion {dB) 04 0.G 0.7 «C Lo ET Zarih SallonG/T (dSK] 12.4 19.4 15.4 125 195 16.5 Soileman Conetant icZW!K—H2) #25.6 225.6 226.6 2365 238.4 238.6 Camier Nolse Sancaicth (dB—A2) > ~58.3 SE3 —£6.3 ~48.4 ~18.4 —43.6 Donnlink C‘N {dB) a2 2.2 7. .2 €2 64 COMPOSITE LINX PERFORMANCE _ ._ _ GiNMUplbk (dB) > 21.5 21.3 21.0 200 CA e 2000 CiN Downliak {dB) 92 9.2 7 .2 €.2 64 ‘C.t Olhelinks (Co—channel & IM} 16.5G 15.0 ‘ 16.0 160 164 16A Ct Uplink Adjacent Sateille 1 (dB) 31.6 31.6 30.6 208 0 225 sas Cl CownlInk Adjacert Sateillfe 1 {dB) 1.% 11.2 11.2 1k§ 1L5 10.5 C Upink Adjacent Satellie 2 (dB) . §0.6 31.6 316 295 295 s9.5 Cit Conniink Adjacert Sateillie 2 {4B) 13.4 134 13.4 128 128 124 CN+1) Compasns (18) 56 5.5 4T 45 4.4 19 Required System Margin(dB) 1.% 11 13 t.4 4.1 11 Minimiumn Reguied C(CB) 328 3.6 3.6 30 28 238 Exsass Link Margin (dBj D4 0.9 0.G 4F Lo Eo Mumber ofCamdars_ ‘s £ a 730 . 730 731 C tevers NE GICCICL Upink Power Density icowiHzp ~52.5 526 —B26 556 —536 +53.6 Donnlink EIRP Sensityaf Eeam Pask —25.0 2631 360 —27.1 —874 ~27.3 1 Page 89 of 93

EXHIBIT 12: HORIZONS 2 Ku—BAND LINK BUDGETS (continued) WHEV vIKy vAKY} WIKVZ WEKVY ‘WIKWY Uplink Prequercy (MHz) T40IDAd42E0 1400044250 4400044250 1400044858 44000—4250 14000—14250 Uplick Beam Poiarizalion: Vaerlical verllcal Afeslical ertcal \erfcat Verloxt Uplink Refalive Contaur Lavel (d4B) —5.G —5.0 —£.0 ~60 ~6uD ~5.4 Uplink Cereour GiT (dB/K] 2.3 2.5 ~23 ~2.3 224 ~2.4 Uplirk S70 (@B¥im‘p ~82.4 «324 324 —564 ~584 ~€5.4, [ 22.0 22.0 22.0 efob 220 220 Downiink Sesm INIKH IKH VIKH VIKH VAXH ‘NIKH Coanlink Prequancy (MHz) +2930—12720 12500—42780 12520—127850 12500—12768 12500—12753 12500—12750 Coaniink Seam Polargation Harontat Hcrtzontal Horlzontal Horlzon:al Horzcrial Horlzonial Oownlink Relative Contour Level {4B) 5.5 »5.0 ~£.0 ~€.13 ~6.0 ~5.0 Coanlink Corcour EIRP (dBa‘y 44.3 44.3 44.3 E4.3 44.3 14.3 Ran Rats (mm! 22.0 22.0 220 220 220 fockal EE15°C E319E B319°C 83.15°2 aB15"E 4315E +580 ~550 ~5D0 E0. +504 ~51.G Uplink Polarlzation Advanlage (dB) o & 0 C a C Coaniink EIRP Density(G@BWHzh " ~25.0 260 260 ~25M ~35.0 ~25.0 =2 — i EfASE E715E . BrAsts B7A5°E arAsE aTASE Uplnk Power Density(CBWAHz) ~58.0 —500 B0 E00 ~50. —§1.0 Uplirk Polarzation Advanlage (1B) a 4 & C a C Coaniink EIRP Density(dGWHz) ~25.0 2601 260 ~26.0 ~25.0 ~25.0 CARRIER INFORMATION Carter 10 T 7 T 6 § 0. & Emission Deslgnation iM4sGre 1MiSGrE 1MM5GIHW 10|KE d40IKGrVI 4IEKGTUE informallon Rate (kbpe) E14.3 614.5 Bld.s iB25 i1856 1835 Camet Medulalisn EP35 SPSK SPSK BFSK BFSX BPSX PssX IS Feak Renduidin of EDS (MHz) T/3 nc ffa nia mg ma Cods Raba CS 0.5 0.3 CS CS CS Occupled Serdaicth (<Hz) 1220 1228 1239 3EF 30F 207 Alocaled Barciwien (K2z) 1420 1450 148 4LG 450 400 Minimum CN, Crear Sky{43) 340 270 2.10 3.40 2.70 270 Sinimum ON, Rak (dB) 340 230 2.30 340 — 2.f0 273 UFLINEK EARTH STATION ooe > 4.5 45 45 11 11 11 Santh Stallan G3in (dBl) §1.6 $4.6 §4.6 €26 425 42.5 Sarin Ssalion Stvslion Ange 29.6 23.6 23.5 206 286 20.5 DOWNLHK SARTH STATION________________ Sarih Stallon dlamster ¢m ' 114 1.44 1.14 «50 4.50 .30 Sarih Sallon Gain (d81} 41.7 417 41.FT Sa5s E36 556 Sarih Stallon G/T (dK) 19.7 19.7 19.6 31.6 6 206 Sarih Stalitn Stevalion Ange 29.6 301.6 20.6 205 206 29.6 LIMK FADE TYPE Clear Sky Up Fage Down Fade Clssr Sky Up Fade Cown Fade UELINK PERFORMANCE_._ uplrk Earth Stafon EIRP (dswe 61.4 614 61.4 £1.8 414 4123 Uplck Palh Loss, Clesr Sky(d8) 207.2 207.2 207.2 207.2 207.3 207.3 UplinkRaln Acteraation {dB) CB 0.9 0.G , £0 Eo Ro Satelills GT (CVK) 23 4.3 —23 ~23 24 2.3 Salteman ConstanL (cCBAWiK—1z) 125.6 223.5 2265 2385 2366 3234 Camer Nolse Sandaicth {dB—4iz) —5t:.o —519 —EL.9 «549 ~54.9 «440 UplnkONddB)________ _ 190.5 13.6 125 €, 50 sa DOANLWNK PERTORMANCE Doanlink ERP par Carrier {d5¥ 274 27.4 27.4 21.3 213 #14 antenna Poining Emorids) 4115 45 —B3s —ms —08 & Cownriink Path Loss, CesrSky{4B] 205.2 205.2 206.2 20162 2I6B 215.2 Sownlink Rain Acteraialicn (dB) CA 0.G 0. 10 &0 EL7 Ssrlh Stalisn T (d5K) 19.7 19.7 18.6 31.5 316 206 Solteman Constant (CBWK—Hz) 225.6 225.6 2256 2366 256.5 2206 Catier Nolse Sandwicth {4B—A2) —55.9 —EB9 —5L9 ~54.9 —54.9 Boaniink ON (dB) T.9 64 20.3 20.3 16.5 GGMPO: PERFORMANCE—_______ CiN Lighnk (1B) 19.5 18.6 125 5.9 5.0 59 CN Dawalnk {dB) TA T.9 5.1 20.3 20.3 1&.5 CI OlferIInks (Co—channet & IM) 15.5 15. t2.0 164 160 160 C Upiink Adjacent Sabellle 1 (dB) 29.0 29.0 23.0 124 15.4 154 CA Connilnk Adjacent Sateillle 1 {dB) 10.9 10.9 12.9 25. 251 35.% C Uplink Adjacent Scheitle 2 (dB) , 20.0 29.0 22.0 154 15.4 154 C Conriink Adjacert Sateillle 2 {dB) 13.4 13.1 121 25.7 257 15.7 CiD+l) Composits (d8) 44 4.6 35 4.5 33 44 Requlred Syetem Margin(d8} 1.% 14 14 11 11 11 Minimim Required C(cBp 34 2.7 27 3.4 27 27 Expess Link Margin (1B) o_ Ga 1.G 0.G ©.0 [d L6 Number of Carters 43 43 48 170 179 179 CARFrIER CenaiTyLevels. _ Uplink Power Sensity(GB¥HHzp ~34.1 ~54.1 ~54.1 ~55.9 ~55.7 —55.7 Coaniink EIRP Denstlyal EeamPesk 275 275 <37.5 ~27.% ~2F.4 —27.4 Page90 of 93

EXHIBIT 12: HORIZONS 2 Ku—BAND LINK BUDGETS (continued) UPLINK BEAM INFORMATION M " Uplnk Saam Kame ‘ WIIY VIKW VIKY xi NBEOF WIKW Uplnk Prequancy(MHz) 1403t—14250 HQICA142E0 12300—14350 14000—14250 14000—14250 14070—44250 Uplink Beam Priarzalion werlical verlltal Nerlical verticsl verical Veriut Uplink Relatve Contour Lavel (dBy KB c —£0 —£.0 <£.0 ~54 S uUplink Comour GIT (dB/K) 2.3 2.3 —23 ~23 24 23 Uplink SFD (dBWim*} ~82.4 824 —J24 ~54.4 ~E44 ~G4.4 22.5 225 22.0 220 220 220 Downlink Eaam Name EIKH EIEH EKA EIKH EIKH EIKH Downlink Freguancy (MHz) 1350012750 12310—42720 12500—12750 12500—12750 12500—12750 12500—t275E Downlink Besm Polarization Hortonial Hcreontst Horsontal Rodzanial Koflzcnisl Horzcalal Bownlink Relaiive Contour Lavel {dB) 4.D —£.0 —£.0 69 ~5.0 54 Sownlink Comour EIRP (dBW) © 40.9 40.9 40.9 409 40.9 40.3 L.2 95.B 95.0 95.0 950 S51 C5d Ssteiiits 1 Orbial Location E315C €3.109°C 63.149°Z 8215°2 BB12°E §3.15°E Uplink Power Sensity {cBwWIHz} ~58.0 ~5GQ ~55.0 ~50.0 ~500 ~50.0 Uplink Polarzation Advantage (d6) a .t # 5 6 o P y (GS ~256.0 260 268 ~264 ~36.0 ~25.5 Ssheilits 1 Oroitsl Location E7.A5°E €7.15°C 67A5° 8719°E STAEE 47.A5E Uplink Power density{cBwHe} —58.0 ~SGJ ~560 +504 —50.0 ~50.5G Uuplink Polarization Advantage (d5) a 0 g 5 g o DownlinkE3Pdenstty(dsWHz} L2 —28.0 260 260 —46% ~S50 ~25.5 CARRIER INFORMATION ' > . Caterin: 1 1 1 a go _ 3 Emission Designation 2GMOFST sSMOFSF 3EMOFGF TeMGNW TaMGTW TeMIGTW informalitn Ra:s (DF€) nz ns Aiz 558090.3 §5539.3 55533.3 Cater Mcdulalion: TUFM THPM THFM GPSK QPBK QPSK Pesk :o Feak Bandwidin of EDS fMHz} d > 4.5 <.G na f‘a © néa Code Rabs r/d nz ‘nla L5 [S ES Oocupled Serdawicth (¢Az) . 36030 26HCO SSHCa 61255 SI2GE GCosE Atocated Barsixten (KA2) 36030 26320 Sadto T2LO] Teloo Tecd Minimum O‘N, Clear Sky [dSy Kidhld iksd 10.50 3.25 235 236 Minimum CH, Ran (dBy _ . 1000 10.5G 5o 40.c0 3.35 2.35 ase 45 45 4.5 4.5 4.5 45 §1.6 §&.6 54.6 54.5 E45 S4.6 9 29.6 20.6 23.5 256 206 29.6 NK EARTH STATION Sarin 5.all..nulcm-lsm'e'fls} 233 223 2.35 261 261 6t Ssarih S—alion Galn (dB1) 47.9 47.9 479 4E3 46.9 48.3 Zarif Stalion G/T (dxK) 25.6 25.6 0. 22.9 26.3 26.3 259 Sarih Stalian Swalion Ange 31.8 31.9 31.9 31.3 319 319 1 LINK FADZ TYPE : Ciear Sky Up Fade Down Fade Cleer Sky UpFads Connr Fade UPLINK PERFORMANCE _ . Uplink Earth Station EIRP (dBw TAE T45 745 763 76.3 To4 Uplink Path Loss, Clear Sky(dB) 207.3 207.2 207.2 2072 207.2 207 .2 Uplink Rein Aztenustion (dB] ChB a.2 ~O.G ©.0 E9 RO Ssielllts GT (CEVK) 23 2.5 —23 «2.3 23 2.3 Soltzeman Constanl (CEWIK—H2z) 225.6 223.6 228.56 2265 \ 2366 2355 Cater Nose Sandwisth {d8—442) * ~56.0 560 +E6.0 T/A —FA —47.6 uplink ONfBy ________________ ol 27.5 25.6 27.5 145 / 125 192 BOWNENK aERfORh‘ANCE Downlink EIRP per Ca {d9Mn 3rd 37.A 371 4Cu3 409 403 aAnteana Polning Emos (dB) ~0.S —I.5 —C.S "LS ~0.5 ~1.6 Cownlink Paih Loss, Clear Sky(dB) 205.2 206.2 2162 2162 216.2 256.3 Sownlink Rain Actertialion {dB} C# C.B 3.5 8.0 cJ 35 Sarih Szalisn 37 (d9PK) 25.56 25.6 22.9 26.3 26.3 258 Sclteman Conetanl (cCBWIK—H2) 223.6 223.6 226.5 2266 226.6 223.5 Carier Nelse Sandaicth (dB—42z) . —55.0 560 / «een T7.9 TA C —77.& 186 ; 0C 15.6 12.2 17 11.7 53 CmmUgink {dB) ‘ 27.& 25.6 27.5 125 185 198 Sm Downlink {4B) 13.6 13.6 12.2 <14A.F HFZ 5.3 C Olhe: links (Cc—channel & Ih4) 22.0 22.G 22.0 2411 240 240 ‘CM UpUnkAdjacent Setetite 1 [dB) 37.0 37r.k 37.0 > 251 29. 20 caf Cit Comnriink Adjacert Sabsillte 1 {4B) 25.2 25.2 232 16.3 «_ 16.3 16.3 Cit Uplck Adjacent Setellle 2 i1B) 37.5 37.0 31.0 251 29.1 29.% ‘Cit Comnink Adjacert Satellile 2 {B) 23.7 23.7 23.7 16.3 16.9 16.3 CNHl) Composis (dB) 15.G 15:0 114 4.9 £3 45 Required Sysbam Mangin (dB) 1.1 11 11 11 11 41 |Minimun Required C(cB) 10. 1M.G 1%.0 2.4 4 3A Zxoess Link Margin (dB) 59 389 0.G 4.4 4.3 _ EQ Numtes of Camsts 2 2 # 1 1 1 uUpl {cBwIH 4824 > ~<6.4 4621 ~54.1 —B4.4. 54.4 Soanlink EIRP Sensttyat Eeam Pask —23.0 230 2301 —10.9 ~40.8 —30.8 Page 91 of 93

EXHIBIT 12; HORIZONS 2 Ku—BAND LINK BUDGETS(continued) UELINKBEAMINFORMATION — Upink Eeam Name WIKY WIKY _ KV WIXV NCY WIKA Uplnk Precuercy (MHz) T14030—44250 14000—44280 1400014250 14000—14252 14000—14253 14000—425G Uplnk Sesm Polarzalion: rerlioal verlical Vesical ‘vertcal wericel venicet Uptink Relalive Conlour Lavel (d8) 5.4 —5.0 —£0 68 ~5.t 54 2.3 2.3 —2.3 ~23 24 23 ~82.4 324 ~424 —624 ~624 ~624t 22.0 22.0 22.0 220 2201 224 i Downlink Eeam Name EIKH EIKH EIKH EIRH EKH EIKH Dovwnlink Freguency (MHz) 12500—12750 12300—127E0 12500—12750 12500—12750 12800—42750 12500—12750 Downlink Seam Polartation ' Haronlal Horzonla® Hodzontal Kortzanial Rorlzcrial Harzcats! Comniink Relatve Contour Level {dB) —5.5 —5.0 —60 ~6.0 ~5A 54 Sownlink Corsour EIRP (HBWL 41.9 40.5 41.9 <E9 45.3 40.9 RanRete (remfhr) _ _ @5.5 95.5 a5.a a50 as4 50 ADJACENT SAFELLTE 1 _ 5y Sateiille1 Orbrial Location E3.15°C E319C 63.145°Z $3.15°E. 8315°2 a3212E Uplink Power Density (dowIHz} ~52.0 ~55d ~EB.O ~500 ~500 ~51.G Uplink Potarizstion Advaniag: 0 4 2 C 0 0 Doaniink ERP Sensity(d5WHz} __ —25.0 260 360 —36.0 ~25.0 —25.5 ADMACENT LMTE 2: : 5_ & Sateillie1 Orbial Losation E7ASE E7ASE erases SFA5°E 8715E aTAZE Uplink Power Censity(CGWIHzp ~59.0 ~5kq ~5C0 . ~50.0 ~50.0 ~50.0 Uplink Potarlzation Advantage(dB) o C It C 0 o ~25.0 26q «260 ~25.0 ~264 ~26.5 Catier id 5 & 5 6 6 6 Emission Designation 10MEGHHY 10M3G7VW 10M5G7H 101KGNY 10IKGT 1EKGTAYT Informalisn Rzz(Kope) £240.0 E2200 624540 Th& T04 T 704 Cammer Med:alion QPSK QPSX CPSX CPSK GPS3K QPSK Psakio Feak Bandwidin of ED8 (MHz) na ns nia na ma n‘a Code Rate 0.4 0.5 1.5 LS CS CS Occugled Sandeicth (H2z) E771 6771 6771 78 75 T5 atocaled Barelatcn (kHz) 10300 103CC 10350 1EG 100 100 Minimun CN, Clear Sky(d3) ' 337 3.57 3.57 2.59 2.79 273 an ( 387 5.57 1.57 2.59 2.79 279 = 2 sles (melers} L5 45 «.8 4.5 4.3 4.4 Sarih Stalion Gain (dBly | 54.6 §4.6 §4.6 S4.5 E45 54.5 Sarih Smation Stevalion Angle _ 23.6 22.6 23.6 2554 . Pgs 29.5 DOWNLWNK SARTH STAFTION . Zarih S—alion Dlameler (melars} 232 232 2.32 223 2.33 233 Zarin Smallon Galn (dEl) 47.9 47.9 «47.9 481 4621 48.1 Sarih Siallon G:T {da/K) 25.6 25.6 23.9 260 261 25.1 Sarih S—ation Zlvalion Angre 31.9 31.5 3%.9 314 319 319 LINKFADETYPE Clear Sky" UpFage Down Fade Claar Sky ~ UpFPade Cown Faie UPLIN®PERPORMANGE._____________________. © Uplink Earth Stafior EJRP (d9vl) TD.3 70.3 73.3 453 48.3 49.4 Upink Path Loss, Clear Sky(d9) 207.2 207.2 207.2 2072 207.3 207.2 Uplink Rein actendation {18) 04 0.9 0.0G 20 E3 BJ Saleillis GT (cEVKy M 2.3 4.3 —~23 —23 24 22 Solteman Coretanl (CBWK—H2) 225.6 223.6 2355 2364 220.6 225.5 ~59.5 5&5 ~16.3 ~18.3 ~16.4 ~43.6 21.0 23.1 21.0 250 19.1 2CE Downiink EIRP per Cal 32.5 32.0 32.0 123 123 12.3 Anlenna Pointing Emot (d8y ‘ +J.5 +456 —Ea —Cu3 ~0.5 ~D.5 Downiink Path Lass, Clear Sky {15) 205.2 206.2 20162 2162 206.3 256.3 Cownink Rain Aftsraallon {dB) ' CA 0.G 31.5 pad E.O \ 35 Earin Stalizn SiT (d5/K) 25.6 25.6 22.9 260 ~_ 260 #5.1 Ssllzman Constanl (CBWIK—+Az) 223.6 225.6 2266 . 2255 226.6 225.6 Catier Nolse Sanciaicth {dB—H2z) j ~59.3 SR3 —E&EA 0_ ~18.4 — ~15.3 ~48.6 Downlink CIN (dB) _ onl 121 121 5.7 11.3 11.3 4.3 C Uplink (dB) 21.0 20.1 21.0 2L0 19.1 500 CiM Downliok (dB) c 124 12.1 5.7 11.3 11.3 43 C Otherlinks (Co—channet & Ih}) 15. 15.0 16.0 160 1641 16. C Upink Adjacent Scbeilie 1 (4B) j 30.4 "31.6 326 205 28.3 sas CE Conniink Adjacent Subellile 1 {dB) 16.7 15.7 16.7 189 159 152 Ct Uplink Adjacent Sctelfte 2 (48) 31.6 31.6 30.6 205 sas _ 29.5 Cl Cownriink Adjacert Sateillte 2 {dB) 17.3 17.3 17.3 165 165 16.5 CiNN+]) Composits (dB) 5.7 8.6 4.T 4.0 79 39 Required System Margin (dB) 1.% 114 . 1.1 11 14 14 Ainimum Requred CM (oSp 58 3.6 3.6 20 28 28 Sxoess Link Margin (B) 5.7 38 _ 0.G 29 40 2d Humbter of Carters _ 6 5 & 730 zen keal Upink Power Sensity(CBWIHzp —~52.5 526 —526 —556 —3.6 —53.6 Downiink ERP Densttyal Eeam Pask —23.4 294 38.A —50.5 —30.5 —33.5 Page 92 of 93

EXHIBIT 12; HORIZONS 2 Ku—BAND LINK BUDGETS (continued) UFLINKBEAMINFORMATION—.[___._..— Uplink Eeam Kame WIk WIKY VIKY WRX WIEOS WIK Upink Prequency(MHz) 14030—14250 14070—14250 12900—14250 14000—14250 14£00—14258 1400]—14250 Uplnk Beam Polarcalisn verllcal wertlcal NedIcal vertcal \rericsk ¥erical Uplink Relsive Conlour Level (dB] ~5.5 —£.o —£0 —£0 54 SA Uplink Cortaur GiT (dB/X} ‘ «2.3 43 —23 +23 24 2.3 Uplink SFD (dB&Wim‘} ~82.4 324 +324 «554 ~B5.4 ~95.4. Ratn Rate(mMijhr)_________.._.0___222 22.0 225 23.0 220 220 120 DOANNLWHNKSEAMINFOCRMATION — Downlink Eeam Name EIKH EIKH EIKH EIXH EKH EIKH DomwnlinkFreguency(MHz) 1250012750 12500—127E0 12500412750 12500—12758 12500412758 12500—42750 Downlink Eessm Rolarzation Harimontal Horzoniat Hedaontal Hodzanial Hoflzoril Horzontal Sonnlink Refative Contour Level {dB) ~5.5 —£.0 ~6.0 6. 64 ~5. Cownlink Corfour EIRP (dBW) c 40.9 40.9 41.9 409 40.3 40B Ran Rets imrohry _ L 95.p 95.p a5.0 aso s50 c5d ADJACENT SATELLTE i . ' > Sateille1 Orbral Location E345°C E3.195°C 63.45°2 83 15°E S8.I#E 23.19°E Uplink Power Density(COWHzp ~5%.0 . <SBo —BRO ~ECUB ~50i ~50.5G Uplink Polarzation Advanlage (dB) o id I & a O Donnlink ERP Ddeasity(@sWHz) —25.0 260 360 4640 ~254 ~25.0 ADJAC PSE. n.llllnzicudl Sateills 1 Orbrial Locatio E715E 67.415°2 67.AG°Z a7A5°E aTASE aTAsE Uplink Power Density (CoWIHz}) ~50.0 ~56.0 EL0 . ~ECOB ~50# ~50.0 Uplink Potarzstion Advantage(de) o n s & a o Downlink EBP Density(dsi¥Hz) —24.0 0C 260 #e4a ~26.8 —S5i% —25.0 CARRIER INFORMATON_______.______ . Camietld 207 T T &0 > 6 6 Zmission Oeslgnation 1M4ZGzIT 1M45GTUT 1MiSGTY dOIKEGNY 4DIKGTUE 4ICKGFH Infomalion Raee fkope) 614.5 614.5 6145 1885 1534 1632 Comer Mcdunation EPSK BP8K SPSK BFSK EPSX HPSX Pask :o Feak Bandedinof EDS {MHz} nz na niz nia na néd Cods Rate Q.E 0.5 0.6 15 ES CS Oocupled Sandaicth (&Hzy 1220 1228 1239 407 307 207 Atocated Barelwicth (KA2) 142D 1480 1480 4EC ~ 4to 40] Mintimurt CIN, Ciear Sky143 340 2710 2.10 340 2.fd 270 Miniturn CN, Rak f4B8) 540 240 2.70 340 270 278 VUPLINXE : STATICN l ‘ Sarh Station Slan \ 4.5 4.5 45 25 45 24 Sarin Station Gain (dBfy .6 . 54.6 54.6 484 494 49 Sarlh S—ation Skvalion Ange Ba.e 236 23.6 25.5 245 SSE Sarlh Statlon Steme : 248 245 249 4.50 4.51 _ 4.50 Sarin Station Galn (dB1) 43.5 43.5 , 23.5 San . 615 E3. Sarin S—allon G/T {d5/k) 254 26. 23.5 #1.5 31.5 45.6 Sarin S—allon Sivalion Ange 31.3 319 319 31.9 319 31.3 LINK FADE TYPE * |_ Clear Sky Lp Facde Down Fade Clear Sky Uprais Conn Fade UECIN® PERFORMARNCE TOC | Uplink Earth Station EIRP (dBvl) B1.4 61.4 E.4 423 423 ~0 4223 UpinkPath Loss, Clesr Sky(49) 207.2 208.2 207.2 207.2 207.2. 257.2 Uplink Reln Acieraiation {dB} 0d 1.9 O.G :0 Eo El scteills GIT (CE/K) 2.3 . 4.3 «23 23 23 23 sallteman Constant (CBWHK—H2) ~— s2s.6 225.6 226.5 2286 2364 220.6 Camler Nolse Sancavicth {dB—42) ~51.9 SLa —EL.9 ~54.9 —54.2 ~54.5 Upink CiN (48) 13.5 13.6 ~1%5 45 56 _ 65 DONNLWK PERFCRMANCE Downlink EP per Carien{dBW# 24.0 24.0 17.9 17.9 172 antentia Palnting Eror(dB) "1.5 —I:5 Es C3 14 Comnlink.Path Loss, Clear ky{4B) 205.2 2162 2162 2C6.2 256.3 Downlink Rain Artsraslion {dBj 0.D 3.5 £0 £J 35 Sarih Station G/T {dB/Ky 25.4 23.5 31.5 415 28.6 Sclleman Constant (CBW!K—H2) (225.6 2285 2206 220.6 323. Camer Nolse Sancaigth {d8—42) ©—5RQ ~EC9 —54.3 54B ~55.5 Somnlink CN {dB) 11.2 4.6 16.3 16.3 59 Cih Uptink {d8] . 19.5 13.6 125 &5 5.5 65 CiM Downlak {dB} 11.2 11.2 4.6 16.3 16.3 29 C Olfer links (Co—cnannet & IM] 16.5 15.0 15.0 16.0 160 164 Ci Uplink Adjacent Sateiile 1 (oB) 29.0 20.0 23.0 160 t60 160 Cit Cownrlink AdjacertSateillle 1 {4B) 15.6 15.6 15.6 21.3 21.3 21.3 Cit Upink Adjacent Sateitle 2 fdBy m.pB 2.0 230 169 1ea 164 Cit Cownriink Adjacert Sateilite 2 {dB) 15.4 15.4 15.4 I 21.8 21.8 21.3 CINHl: Compasts(d8) — 74 7.6 36 4.7 4.1 3.8 Required System Margin (dB] 114 13 1. 11 . 141 1. Sinimurt Requred C¥ (cB) 34 27 2. 34 27 27 Excess Link Marghn (4B) 34 4.G . OB £2 C3 BQ Numter of Carders «48 42 i 48 160 164 181 . ~54.1 ~54.1 +Ed.1 «624 ~620 ~62.0 Donniink EIRP Densityat Eeam Pssk —38.9 —3L9 309 . —31.0 —318 —o1C Page 93 of 93


Document Created: 2019-04-09 13:06:48
Document Modified: 2019-04-09 13:06:48
© 2024 FCC.report
This site is not affiliated with or endorsed by the FCC