Attachment Schedule S GXT

This document pretains to SAT-AMD-20080701-00134 for Amended Filing on a Satellite Space Stations filing.

IBFS_SATAMD2008070100134_651357

EXHIBIT 11: GALAXY BSS—4 LINK BUDGETS CLREKY DEGRADED Camer Type 24MGNIN 24MGTNW Modulation GPSK GPSK Inifo Rate Mbitls 26.05 25.05 Carmer |FEC: 0.87 0.O7 Noise BV MFz 19.988 10.9288 CBPrequired d3 4.1 4.1 Total Lin‘k Availability % 59.60 SIC Loo |Longituds deg —122.90 ~123.90 Uplink BeamName NRF MNREF Seam Polarization {H, &‘ or, ©} C C Polanzation [Uplink Frequency GHz 25 35 Frequency |Downlink Seam Name NTF NTE Pofarization {H, V or, CJ es C Downlink Fregjuency GHz 17 17 TXES Rain rate exceeded for 0.01% ofthe year mvh 40 40 EHSElevation angle deg 300 en E/S size m £.CO 9.00 Transrait ES peak gain (2f—=0.6} dB §5.2 65.2 RX ES Rain rate exceeded for 0.01% of the year mm‘h 40 4G EIS Elevation angle ‘ deg 30.0 3G.C ESsize m CS 0.G5 Recsive ESS peak gain {EH=0.8) d3 35.3 39.3 ts Receive Earth Station GVT <B/K 15.2 13.5 Uplink Camer sinp dBow 79.2 $2.6 Tharmal [Uplink PSD dBWikz —59.0 —45.8 fransponder SFD {Beam Pesk) dBWim2 —56.0 —85.G Input Backei d3 2.0 00 Uplink Path Loss, clear sky ~ ds #12.7 2127 Uplink gassous aftenuation ds O.2 1.3 Uplink rain attenuation ds prits 184 Satellits G:T (Ream Paak) <1B/ 8.5 6.5 Amiennarelativegain towards. E/S . oS —3Z.0 2.0 (C/PI thermal uplink d3 26.5 25.4 Downlink |S/C saturated EIRP (Seam Psak} cdBaw 54.0 £54.0 Tharmal (Carmer Ouiput backoff da ©.0 0.0 Ardenna relative gain towards. Earth Station: d3 ~2.0 —2.0 Camer ERP towards Earth Station aBwt 62.0 5S2.0 Downlink Path Loss, clear sky d3 200.3 309.3 Cownlink gaseous stienuation hS L.3 14 Downlink rain aitenuation ds 5o 3.8 Anienna Poiniing srror ds —0.3 —0.3 Receive Earth Stafion VT <B.IK. 16.2 13.5 CINM thermel downlink ds 14.0 7.2 PFD at Seam Peak dBWWirn2(MIHz ~122.0 ~132.0 Ciher Cf {Intra—System Interference} ds 250 25.0 Orbital Leastion for Intefering SC #1 deg ~127.00 ~+27.0G Geocentric Separation (wistation keeping) deg 4.10 410 Interfaring Uplink power density dBMiHz ~C8.5 —50.5 Interfering DL eirp density dBwikz ~12.0 —120 CA ASI uplink da 48.8 62.2 ASE C ASDdownlink {wiRx antenria pointing error} ds 16.7 187 Ortital Location for interferingS/C #2 deg —119.00 —t19.00 Geoceriric Separation (wistation keeping} deg 3.80 3.80 Interfaring Uplink powar density cBWiHz —C8.5 —58.6 Interfaring DL eirpdensity dBwiHz ~120 —12.0 CA AS) uplink ds 49.3 62.8 C A91 downlink (w‘iRx antenna pointing emor} c3 15.8 15.8 Total CH(N+T) ds 10.3 6.1 System Margin: dB 5.2 2.0

EXHIBIT 11: GALAXY BSS—4 LINK BUDGETS (continued) SLRSKY DEGRADED Camer Type SEDKIEBFTW 360KGTW Modutation BPSK BPSK Info Raie Moitis 0.128 0.128 Carnier FEC: 0.50 0.50 Noise SW MHz 0.266: 0.266 C/N required ds 2.T 247 Totsl Link Availability % $2.50 SIC Loo Longitude deg —122.90 ~122.90 Uplink Seam Name NRF NRF Seam Poladzation {H, V or, C} & C Polarization |Uplink Frequency GHz 25 35 Frequancy |Downlink Beam Name NTF NTF Polarization {H, Vor, C) C C Downlink Frequency GHz 17 17 TX ES Rain rate exceeded for 0.01% of the year mmih 40 40 E/S Elevation angle deg 30.0 30.0 ES size m .85 0.95 Transmit &S peak gain (Zf=0.65) 48 42.8 42.9 RX ES Rain rate exceeded for 0.01% of the year mani(h 40 40 ES Elevation angle . deg 30.0 . 30.0 ES size mm $.90 2.00 Repssive ESS peak gain (EH=D.3} ds §2.9 > §2.2 . Receive Earth Station G/T dB/K ©8.0 38.1 Uplink Carar airp «SW 40:0 48.7 Thermal |Uplink PSD dBWiHz —57.0 18.3 Trensponder SFO (Geam Pesk} dBVwA‘m2 ~89.0 ~89.0 ~ Input Backo# ds —38.9 35.3 Uplink Path Loss, clear sky d8 313.7 212.7 Uplink geseous atienuation ds 0.2 1.3 Uplink rain aftenuation «ds 0.G 87 Satellite /T {Bsam Peak]} dBiK B.5 8.4 Antenna relative gain towards 2IS 1B —2.0 ~2.G ON thermal uplink dB &.0 4.9 Crownlink C scturated EIRP (Beam Pesk} dBW 54.0 54.0 Thetrmal |Carnier Oufput backoff da ~24.3 ~24.3 Antenna relaiive gain towards EarthStafion ds —2.0 — ~2.9 Camer EIRP towards Earh Station BW 27.¢ 27.7 DCownlink Path Loss, clear sky «S 200.3 200.3 Downlitk gaseous afienuation ds O.4 0.4 Downlink rain attenuation: 48 0.0 4.8 Antenna Poinfing error ds .3 —9.3 Receive Earth Station G/T d=/K 38.0 35.1 CIN themal dewnlink «S 31.2 23.2 PFD at Beam Peak doWim2/MHz 127.5 —127.6 Other T Infra—System Interference} 1B 20.0 20.0 Orbital Location for Intefering S/C #1 dey —127.00 —127.00 Geocentric Separation {wistation kesping) deg 4.10 4.10 Interfering Uplink power density dBW/Hz —50.5 —58.5 Interfering OFC eirp density dBWIHz ~12.0 ~12.0 Cl AStuplink . d3 29.3 38.1 ASl CJI ASt downlink (wRx antenna pointing errark «S 34.6 .$4.9 Orbital Location for interfering Si0 #2 deg —119.00 ~118.90 Gsecentric Separation {wistation kesping) dey 3.9D 3.40 Interfering Uplink power density dBW/Hz —56.5 ~55.5 Interfering OM eirp density dBWi/Hz ~12.0 ~12.0 Cl ASL uplink ds 23.8 37.5 Cil ABI clownlink (wiPtx antenne poinfing error} ds 33.8 33.8 Total CH(M+TY d3 5.8 4.7 System Margin ds 3.1f 2.0

EXHIBIT 11: GALAXY BSS—4 LINK BUDGETS (continued) CLRESKY DEsRaADEepD Camer Type 24MGTWE AMGTW Modulation GPSK CPSK Info Rate Mbit‘s 386.05 36.05 Camer |FEC: .67 D.:67 Noise BWW: MHz 19.983 19.983 C required ds 4.1 4.1 Total Link Availability % $2.00 SIC Loo jLongitude dey —122.20 —123.90 Uplink BeamName SRF SRF Heam Polarization {H, cr, CJ C C Polarization |Uplink Frequency GHz 25 35 Frequency |Downlink Seam Mame STF S1F Polarization (H, ¥f or, C] C G Downlink Frequenay GHe 17 17 TX ES Rain rate exoseded for 0.01% of the year mmih 50 5G ESElevation angle deg 30.0 3CD ES size m 2.C0 §.00 Transmit ESSpeak gain (=f—=0.6) ds 86.2 §5.2 RXES Rain rabe exceeded for 0.01% of the year mmih 50 50 ES Elevaton angle deg 30.0 30.0 ESsize m C.45 0S Receive ES peak gain {(EH=0.04 ds 36.1 38.1 Receive Earth Station G/T dBK 13.0 8.8 Uplink Camer sirp dBw Tas 54.0 Thermal |Uplink PSD dBWiHs: ~59.:0 ~14.3 Transponder SFD (Beam Pesk}) dBwWi/imZ —58:0 ~86.0 Input Backo® dB 0.9 00 Uplink Path Loss, clear sky ds 212.7 2127 Uplink gaseous attenuation c3 0.2 1.3 Uplink rain aftenustion da 0.0 14.7 Sctellits 27 (Beam Peak} <dBIK 8.5 5.5 Aniennarelstive gain towardsEJS ds —2.0 —2.0 OB themmel uplink ds TBA 25.4 Downlink |S/C saturated EIRP [Geam Poak]} dBw 60.0 80.G Thermal |CamerOutput backoff ds C.0 0.0 Arienna relative gain towards Earth Station dB . —2.0 —~20 Camer EIRP towards Earth Station dBwW 58.0 > 52.0 Downlink Path Loss, clear sky ds 200.3 300.3 Downlink gasecus afienuation c8 C.1 0.4 Downlink rain aitenmation: ds alls 6.5 Artenna Poinfing error d3 | —0.3 —0.3 Receive Sarth Station T cBIK. 13.0 B.8 CINthermmal downlink ds 18.4 5.8 PFD at Seam Peak dBWim2iMHz —118.0 —118.0 Cihsr CH {Intra—Sysiem Interference} ds 25.0 25.0 Orbital Location forIntefering SC#1 deg —127.00 —~1237.00 Geoceniric Separation (wistation keeping) deg 4.10 410 Interfering Uplink power density dBWiHz —58.5 ~50.5°> Interfering DL eirp—density dowikz ~12.0 ~12.0 Cl AS) upfink ds 480.8 54.6 ASt CA ASI downlink(wittx antenn« pointing error} ds 18.1 18.1 ‘Orbital Location for interfering S/C #2. deg —119.00 —119.00 Geoceniric Separation (wistation keeping‘} deg 3.80 3.80 Interfering Uplink power density dBWiHz ~558.5 ~56.5 Interfaring DVL eirpdensity dBwiHaz —~12.0 ~12.0 Cil ASt uplink c3 49.3 64.0 C AS1 downlink (w‘Rx antenna pointing emor) do 18.3 18.2 . Total CAN+H ds 12.7 6.1 System Margin d3 &6 20

EXHIBIT 11: GALAXY BSS—4 LINK BUDGETS (continued) CLRSKY DESRADEO Camer Type 380KGTW 380KGTAN Modulation BPSK BPSK Info Rate Moit‘s. 0.128 €.138 Carreer FEC: 0.50 0.50 Noise BW: MHz. C.206 $.265 TN required S BT 27 Total Link Availability % $8.80 S/C Loc |Longituds deg —122.90 —122.90 Uplink Beam Name SRF SRF Beam Polarzation {H, V or, C) C C Polarization |Uplink Frequency GHz 35 25 Frequency |Downlink Beam Mame STF S1F Polarization {H, ¥ or, C) C C Downlink Frequency GHz 17 17 TX ES Rain raie exceeded for 0.01% of the year mmih E0 50 E/S Elevation angle deg 30.0 30.0 ES size mm D65 C.5S Iransmit 55 peak gain (2ff=0.65) dS 42.8 42.8 RX ES Rain rate exceeded for 0.01% of the year mmih 50 50 ES Elevation angle deg 30.0 30.0 ES size mm §.00 2.00 Receive EFS peak gain (ENM=0.6} > <dS 62.2 82.3 Receive Earth Staffion G/T d2/K, 38.0 35.7 Uplink Camer eirp dBW 40.0 52.8 Thermal |Uplink PSD dBWiHz —57.0 44.3 Transponder SFO {Seam Peak) dBWim2 ~89.0 ~99.0 Input Backof <dS —36.2 <25.2 Uplink Path Loss, clear sky «3 312.17 232.7 Uplink geseous aftenuation d3 0.2 1.3 Uplink rain ettenuation: d3 0.0 12.8 Satellite GiT (Bsam Peak} d2/K ~B.S 6.5 Antenrerelailve gain towards 2/S 1B —2.0 —2.0 < ON thermal uplink ds 5.0 4.9 Downlink |S/C saturated EIRP (Geam Psak} dBW 80.0 80.0 Thermal |Carer Output backoff cS ~34.5 ~24.3 Antenna relative gain towards Zarth Stafion . ds —2.0 —280 Camer EIRP towards Earth Station SV 33.7 33.7 Downlink Path Loss, clear sky do 202.3 308.3 Downlink gaseous afienuation ds [d 0.4 Downlink rain attenuation 4B ©.0 7.3 AntenraPoinfing srror dB —0.2 ~3.3 Recaive Earth Station G/T dS/K 38.0 35.7 CJN thermal downlink «B 37.3 2B% PFD at Beam Pesk dBWim2MHsz ~121.56 ~121.8 Other Cil {Intra—System Interference} —_d8 20.0 20.0 Orbital Looation for intefering 5/C #1 dag —127.00 —127.00 Geocentric Separation {wistation kesping) deg 4.10 ‘4.10 Interfering Uplink power density dd‘WiHz —56.5 —58.5 Interfering DA. eirp density dB‘WiHz: —~12.0 ~12.0 Cil AST uplink , d3 20.3 42.2 AS1 Ti ASI downlink (w/Rx antenma poinfing error} d3 40.6 40.6 Orbital Losation for interfering S/C #2 deg ~119.00 —~119.00 Geccentric Separation {wistation kesping) deg 3.280 3.80 Interfering Uplink power density dBWiHz ~50.5 —56.5 Interfering OVL eirp density dBWiHz ~12.0 ~12.0 Cil AStuplink . ds 28.8 41.6 Cil ASI downlink iw/Rx antennapoinfing Erfu-r} ds 30.8 39.8 Total CIHNM+T) 18 5.8 4.3 System Margin dB BA BA

EXHIBIT 11: GALAXY BSS—4 LINK BUDGETS (continued) CLRSKY DEGRADED Camer Type 2MGIW HMMEGTN Modulation QFSK GPSK Info Rate Mbit‘s 26.05 36.05 Camer |FEC: 0.87 1.97 Noise BVW: MHz: . 11.988 10.988 CIN required o8 4.1 4.4 Total Link Availability % co.Gs SiGLoc |Lengitude dey —122.90 —122.90 — Uplink Beam Name NRF NRF Seam Polarzation {H, *J or, 0J es C Polarization |Uplink Frequency GHz 25 35 Frequancy |Downlink Seam Name STF SiF Polarization {H, V or, C} C C Cownlink Frequency GHz 17 17 TX ES Rainrate excesded for 1.01% of the year mmih 40 40 E/SElevation angle deg 300 30.0 EIS size m g.co 2.00 Transmit E/S peak gain (2R—D0.8} ds B5.2 $5.7 RX ES Rain rate excesded for 0.01% of the year mmih 50 50 ENS Elevation angle deg 30.0 30.0 ES sizs m 045 0.45 Receive E/S peak gain {EM=0.0) ds 38.1 3G.1 Recsive Earth Station GVT dBiK 13.0 8.8. Uplink Camereirp db‘ 7o.2 891.3 Thermal |Uplink PSD dBWiIHz —59:0 —40.G Transpondar SFD {Beam Pesk] dBwWin2 —38:0 —98.0 Input Backo® c3 0.0 0.0 ~|Uplink Path Loss, clear sky ds HRYT ET Uplink geseous aitenuatior: c3 02 1.3 Uplink rain attenuation ds [sie] 12.1 Satefiits G/T (GSeam Peak} <1BIK 8.5 6.5 Artenna relative—gain towards EJS ds —~2.0 —2.0 TCM therms) uplink ca 30.5 25A Downlink |(SC saturated EIRP (Seam Pasak] dBw 60.0 £0.0 Thermal |Camer Ouilput backoff ds £.0 0.G Arntenna relative gain towards Earth Station ds —3.0 —2.0 Canmfer EIRP towards Earth Station dBWw 58.0 58.0 Downlink Path Loss, clear sky z3 209.3 209.3 DCownlink gaseous aftemuation ds 5.i 0.4 Downlink rain attenuation: ds 5.o 8.5 Anienns Poiniing error ds frk] 1.3 Receive Earth Station T <IB/K. 13.0 8.8 TCBthemmal downfink ds 16.8 5.6 PFD at Seam Peak dBWimeIMHz —118.G —118.0 Cther CI {Intra—System Interference} ds 35.0 25.0 Orbital Location for Intefering SAC#1 deg —12¢.00 —~127.00 Geoceniric Separsition (wistaiion keeping} deg 4.10 410 Interfering Uplink power density dBWMIHz —£6.5 ~56.5 Interfaring DL eirp density dBukHz ~12.0 ~12.0 TA ASI upfink ds 40.8 81.0 ASb C1 ASI downlink {wittx antenns poinfing error) ds 19.1 19.1 Orbital Location for interfering S/C #2 deg ~119.00 ~1180G Geoceninc Separstion (wistation keeping) deg 3.80 3.8G Interfering Uplink power density dBVWHz —58.5 —58.5: Interfering DVL eirpdensity dBwW/Hz —12.0 ~12.0 CJl AS] upfink o8 49.3 81.3 . CA ASI downlink (w‘Rx antenna pointing error} ds 18.2 18.2 Totsl CIN+LI) d3 127 6.1 System Margin dB £.5 280

EXHIBIT 11: GALAXY BSS—4 LINK BUDGETS (cohtinued) CLRSKY DEGRADED Carier Type 48MIGTWN 48MOGTIW Modulation SPSK SPSK Info Rate f Mbit‘s 190 80 Catier jFEC: — 0.83 0.87F hoise BWY: MHz 40.000 40.000 CIN required ds 5.9 —ge Total Link Availability % $8.50 SICLee |Longitude tey 12290 —132.90 Uplink Bearr MName SPOT sPOT Seam Polarization {H, Y ar, ©] C C Polarization |Uiplink Frequency . GHz 35 25 Frequency |Downlink Beam Mame 60 , SPOT SPOT Polarization {H, V or, C] C C Downlink Frequency GHz 17 17 TXES Rain rate excesdet for 0.01% ofthe year mm‘h 8Q E0 ESSElevation angle deg SC.G 300 ES sizs . m 2.0D 5.10 Transmi ES pesk gain (2R—0.6) ds £5.2 65.2 RX ES Rain rate excesded for 0.01% of the year immth 80 B0 ES Elevation angle deg 3G.G 30.0 EJB size m 0.75 {.76 Receive SS paak gain {EM—C.C) * ds €0.5 40.5 Receive Earth Station (2T <BIK. 17.4 14.4 Uplink Camer eirp dBw 732 88.4 Thermal |Uplink PSD dBWiHz — ~58.G —52.8. Transponder SFD {Beam Pesk} dBWimz —~80.0 —20.0 Input Dackoif d3 Lo 5.0 ‘Uplink Path Loss, clear sky cB 2126 #12.6 Uplink gassous attenuation da 2 1.3 Uplink rein aftenustion d8 01 15.3 Sateliite G (Seam Peak) — <B.K. 18.5 162 Antenna relative gain towards EJS ds C.G 0.0D Cb themal uplink da 28.5 224 Downlink °|SIC saturated SIRP (Seam Psak) dBw 82.0 63.0 Tharmal |Camfer Oulput kackoff ds 0.D C.G ’ Aniennarelative gain towards Earth Station: ca 5.0 G.G Camer EIRP towards Earth Station dBwg 63.G 630 Cownlink Path Loss, clear sky . ds 208.3 200.3 Downlink gaseous atenuation ds 0.1 0.4 Downlink rain aitenuation dB [ 0.0 .o Anienina Poinfing srror da 0.3 —0.3 Receive Earth Station GVT <B/K 114 14.1 CIPI themeal downlink ~—_ ds 24.2 12.8 PFD at Szam Peak dBwWim2iMHz —118.0 ~118.0 Ciher CA {Intra—Sysiem Intererence} d3 20.0 20.0 Orbital Loeation for Intefering SCC#1 deg ~127.00 ~127.00 Geocentric Separation {wistation kesping) dey 410 4.40 Interfering Uplink power density dSWiHe —58.5. ——56.5 Interfering DVL eirp density dBwiHz —12.:0 ~12.0 Ci ASI uplink ca 40.8 58.0 ASt C ASI downlinkimBx antenma poinfing error} dB 35.9 25.0 Orbital Lecation forinterfering S/C #2 deg ~119.00 —1148.03 Geoserirc Separation {wistation keeping) deg 3.80 3.30 Interfering Uplink power density dBwiHz —58.5 ~55.5 Interfering DL eirp density dowiHz —12.0 CA ASI upfink cB 55t CH ASl downlink iw‘Rx anmtenna pointing emor ds 25.1 Totsl CHN+T . c3 11.6 System Margin da 20

EXHIBIT 11: GALAXY BSS—4 LINK BUDGETS (continued) CLRSKY DEGRADED Carriar Type 3SOKGTA 48OKGTV Modulation SPSK BPBK Info Rate Moit‘s 0.128 0.128 Carter FEG: 0.50 0.S0 NHcise BN: MHz .366 0.208 ON required d3 Z.F 27 Total Link Availabilitty % 89.00 SMC Loo |Longitude deg —132.80 —122.90 Uplink Beam Name SPOT SPOT Seam Polarization (H, V or, 1C) C CC Polarization |Uplink Frequéncy GHz 25 35 Fraquency |Downlink Beam Name SPOT SPOT Polarzation (H, V or, C) C C Downlink Frequency GHz 17 17 TX ES Rain raie exceeded for 0.901% of the year mmih 80 &0 EfS Elevation angle deg 30.0 30.0 E/S size m 045 G.45 Transmit E/S peak gain (2ff=D.55) ds 30.5 . 39.5 RX ES Rain raie exceeded for 0.01% of the year mmih B0 80 E/S Elevaiion angle deg 30.0 20.0 E/S size m 9.00 $.00 Receiys EIS peak gain (EH=0.3) ds 62.1 62.1 Receive Earth Station G/T dS/K 38.0 35.5 Uplink Carar airp dBW 26.9 43.7 Thermal (Uplink PSD cBW/Hz —54.86 —50.1 Transponder SFD (Beam Peak} dB‘Wim2 —90.0 ~80.0 Input Backof# ds «14.3 —44.3. Uplink Path Loss, clear sky 43 212.6 312.6 Uplink gaseous atitenuation ds C.2 1.3 Uplink rain afternuation «1B G.o 14.8 Sateiliie G/T (Beam Peak} dB/K 16.5 16.5 Antenna refaiive gain towardsSS «3 0.0 €.0 CN thermal uplink 18 7.0 5.9 Downlink |S/C saturated EIRP (Bseam Pesk} doVy ©3.0 82.0 Themal |Carrier Output backoff do ~42.4 —12.4 Antenna relaiive gain towards Earth Stafion do G.O 0.G A[ Camer EIRP fowards Earih Station dSW 20.6 20.6 Downlink Path Logs, clear sky d§ 200.3 209.3 | Downlink geseousaftenuation d§ C.1 04 Downlink rain attenuation dS C.D B.5 Antenna Pointing error d8 ~—0.3 —D.3 Receive Earth Station G/T dB/K 38.9 35.5 CIN thermal downlink dB 34.2 118 PFD at BeamPeak dBwW/im2z/MHz —138.6 —136.6 Other Cil {Infra—System Interference} cS 20.0 20.0 Orbital Loecation for Intefering S/C #1 deg —127.00 —127.00 Geocentric Separation {wistafion keeping) deg ~ 4.10 4.140 Interfering Uplinkpower density dBWiIHz —55.5 ~56.5 Interfering OX eirp <lensity dBWiHz —12.0 ~12.0 Cil ASt uplink «1B 18.3 33. ASl Cl ASt downlink (wRx antenna pointing error} . ds 27 .5 27.5 Orbital Location for interfering S/O #2 deg ~119.00 ~118.00 Geocentrc Separation {wistation keeping}y deg 3.80 3.20 Interfering Uplink power density dSWiHz —56.5 —50.5 Interfering Dvt. eirp density dSWiHz —42.0 ~12.9 Cil ASt uptink © ds 17.7 32.5 Cl ASt downlink (w/Rx antenna poinfing error} d8 26.6 26.6 Total CHNM+I) > ds 6.0 4.7 System Margin: «41B 2.3 2.0

EXHIBIT 11; GALAXY BSS—4 LINK BUDGETS (continued) CLRSKY DEGRADED Camer Type 4BMIGIN 48M0GTW Modulation EPSK SPSK Info Rate Mbcit‘s 100 80 Camer |FEC: 0.83 0.87 ~_ |NMoise BW: MHz 40.:000 40.000 Ci requined da 5.9 8.G Total Link Availability % 88.50 SiCLoe |Longitude deg ~122.90 ~122.90 Uplink BeamName SPOT SPDT Beam Polarization {H, V or, C) C C Polarization [Uplink Frequency GHz 25 25 Frequency |Downlink Seam Name SPOT SPOT Polarization {H, / or, CJ ._C C: Downlink Frecuency GHz 17 17 TX ES Rain rate excesded for 0.01% of the year mm¢h 50 50 E/S Elevaton angle deg 3G.0 20.0 E/S size m 2.00 8.10G TransmaR E/S peak gain (26—0.8) o3 85.2 G5.2 RX ES Rain rate excesded for 0.01% of the year mmih 50 50 E18 Elevation angle deg 3G.G 30.0 ENS size m 0.75 C286 Receive ES peak gain {EM=0.8) c3 40.5 40.5 Receive Earth Station GT. <I1BIK. 17.4 14.7 Uplink Cartter eirp dBw 73.2 93.1 Thermat (Uplink PSD oBMHz —84.0 —18.1 Transpondar SF0 {Beam Pesk) dBowim2 —80.0 ~20.0 Input Backe® ds CG 0.4 Uplink Path Loss, clear sky o2 212.6 212.6 Uplink gassous aitanuation ds 8.2 1.3 Uplink rsin attenuation d2 0.1 19.9 Satelfite G.7T (Seam Psak} cBIK. 18.5 16.5 Anienna relative gain towards EIS d2 > C.C 0.10 Cb thermel uplink c3 28.5 284 Downlink |S/C saturated HIRP (Seam Peak} dBwf $G.0 50.0 Thermal |Carer Output backoff . dB . 0.0 C.G Arienne relative gain towards Earth Station: as ©.9 C.G Carer EIRP towards Earth Staftion dBw s0.0 60.0 Downlink Path Loss, clear sky ds 209.3 300.3 Downlink gaseous aftemuation da .1 O4 Downlink rain aftenuation: c3 [alcal 20 Amienna Pointing errar d2 0.3 . —Ga Receive Sarth Station GT <BK 174 14.7 OB themal downlink d3 20.2 123 PFD at Seam Peak dBWim@iMHz —112.0 ~118.0 Ciher C\ {Intra—System Interference} ds 2040 20.0 Orbital Lecation for Intefering SVC#1 deg ~127.00 —127.00 Geocaniric Separation {wistation keeping} deg 410 4.140 Interfering Uplink power density aBWwiHz —58.5: —55.5 Interfering DyL erpdensity doMiHz —12.0 —12.0 CA AS1 uplink ds 40.8 BO.F ASI CH AS] downlink (wiBix antenms poinding ermor} dS 32.9 2I.9 Orbital Location for interfering 5JC #2: deg —118.00 —119.00 Geoceniric Separstion (wa‘station keeping} deg 3.80 3.S8D0 Interfering Uplink powsr density dBWiIHz —58.5 —55.5 Interfaring DyL eirp density dBwiHz —~12.0 —12.0 C ASI updink cS 40.2 60.1 . Oil 481 downlink (w‘Rx amtenna pointing ermor} d3 22.1 22.1 Total CAN+L) — ds 14.9 11.6 ' System Margin ds 8.1 20

EXHIBIT 11: GALAXY BSS—4 LINK BUDGETS (continued) CLRESKY DEGRADED Carner Type sEOKGTW 360KGTW Modulation BPSK BPSK Info Rate bAbit‘s 0128 0.128 Carrier FEC: 0.50 4.50 Moise BW: MHz 0366 0.266 CiN required «8 2.4 27 Total Link Availability % . $9.80 S/C Loc |Longfude deg —122.90 —122.90 Uplink Seam Name SPOT SPOT Beam Polarization {H, V or, C1 C C Polarization |Uplink Frequency GHz 25 25 Frequency [Cownlink Seam Name SPOT SPQOT Polarzation (H, V or, C\ C °C Downlink Frequency GHz 17 17 TX ES Rain rate exsseded for 0.01% of the year mauk 50 Eq E/S Elevation angle ’ deg 30.0 30.0 ES size m 9.75 C.FS Trangmit &3 peak gain (Zff=D.95) 43 <44.0 44.0 RX ES Rain rate exeseded for 0.01% of the year mmih: 50 e ~_ |ES Elevation angle deg 30.0 20.0 E/S size m ©.0D 2.00 Recsive E/S peak gain (EH=C.5) 4B 82.1 §2.1 Receive Earth Station G/T _ dB‘K 38.9 25.0 Uplink Garrer sirp davwy 29.0 . 20.8 Thermal |Uplink PSQ cBWiHz —BQ.2 ~58.7 Transponder SFD (Beam Peak} dBWimz ~20.0 —90.0 Input Backo® da —~44.2 44.3 Uplink Path Logs, clear sky d3 212.6 212.6 Uplink gaseous atienuation ds C.2 1.3 Uplink rain atenuation d8B C.o 10.5 Sateilite G/T (Beam Pesak) dB/K 16.6 10.5 Antenna relative gain towards 25. ds 0.G 0.0 CIN thermai uplink d3 T.A 8$.0 Downlink |S/Csaturated EJRP (Beam Peak} dBW ©0.0 80.0 Thermal |Carner Output backoff dS —42.2% 42.3 Antenna relative gain towardsEarth Station ds G.0 0.0 Cartier EIRP fowards Sarh Station dSW 17.7 17.7 Downlink Path Loss, clear sky . ds 200.3 209.3 Downlink gaseous afenustion da 81 0.4 Downlink rain attenuation: ds t.o 5.5 Antenma Pointing errar «B ~0.3 —1.8 Recsive Sarth Statfon G/T dB/k 38.0 35.0 CiN thermai dewnlink da 21.3 12.0 PFD at Beam Peak doWimaiiHz —139.6 ~138.5 Other Cil {Infra—System Interference} 48 20.0 20.0 Orbital Location for Intsfering S/C #1 dag —127.G0 ~127.00 Geocentric Separation {wistatfion keeping) dag 4.10 4.10 interfering Uplink power density dBWIHz: —55.5 —56.5 Interfering D/ eirp density dBWIHz ~12.0 120 Td AStbuplink d2 18.3 23.8 AS} Cil ASt downlink (w/Rx antenna pointing error} do 24.5 24.6 Drhital Location for inferfering SNO #2 dey —119.00: —119.00 Geocentric Separation {wistation keeping} dag 3.80 3.80 Interfering Uplinkpower density dBWIHz —£5.5 —58.5 Interfering OL eirp density dSWiHz: —12.0 ~12.0 CIl ASt uplink «13 17.3 28.3 Cl ASt cdownlink (wiftx antenns pointing error} ds 23.7 23.7 Total CAN+1) dd £.9 4.7 System Margin do 3.3 2.0

EXHIBIT 11; GALAXY BSS—4 LINK BUDGETS (continued) CLRSKY DEGRADED Camer Typa 4SMDGFTW 48MOGZ7W Modulation ePSK SPSK Info Rate Mbitis 100 E0 Camer |FEC: 0.82 .87 Noise BW: MHz 40000 40.000 CN required ds 5.9 26 Total Link Availability % $2.50 SiC Loc |Longituds deg ~122.90 ~122.90 Uplink Beam. Mame SPOT SsPOT Seam Polarization (H, V or, C) C C Polarization |Uplink Frequency GHz 25 25 Frequency |Downlink Seam Mame SPOT SPOT Poladzation {H, V or, C) C C Cownlink Frequency GHz 17 17 TX ES Rain rate exceeded for 0.01% of the year mmih 30 20 ES Elevation angle dey 30.0 30.0 ES size m 2.00 5.00 Transmit ES peak gain (Z8=D.6} ds 65.2 65.2 RX ES Rain rate excesded for 0.01% of the year mmih 3G 20 E/S Elevation angle deg Rlage) 30.0 E/S size m 0.60 0.SD Receive E/S peak gain (EM=C0.8) ds 41.1 41.1 Receive Carth Station G(T <1B/K. 17.9 18.2 Uplink Carter sirp dBd 73.2 81.7 Thermal |Uplink PSD dBWiHz —64.0 ~59.5 Transponder SFO {Beam Pesk) dBwims —80.0 ~50.0 Input Backodt ds C.G 0.0 Uplink Path Loss, clear sky dS 212.8 212.5 Uplink gessous aitenuation ds 0.2 1.3 Uplink rain aftenuation ds 8.0 &5 Satellite GAT (Geam Peak} <iB/A 18.5 16.6 Antennarelativegain towards EJS d2 0.0 0.0 TCM themal uplink ds 29.5 284 Cownlink |S(C saturated EIRP (Seem Pegk} dBve 57.0 574 Tharmal (Camfar Ouiput backoff da 9.0 t.o Artenna relative gain towardsEurth Stationy ds 0.9 C.G Cariar EIRP towards Sarth Stafion dBw B7.0 87. Downlink Path Loss, clear sky ds 208.3 200.3 Downlink gaseous atienustion ds 9.1 G4 Cownlink rain aftemcation — d3 9.0. 1.6 Anienna Pointing error dB —0.3 —G.3 Receive Earth Station T clB/K 17.9 16.2 Ob themal downlink d3 17.8 14.2 PFO at Seam Peak dBWimz2IMH=z —~122.0 ~122.0 Otlver CA {Intra—System Interfen=nce} d3 30.G 20.0 Orbital Location for Intefering SVC#HT dey —137.00 —127.00 Geocertric Separation (wistation keeping} dey 410 4.10 Interfering Uplink powar density dBWiHz —56.5 ~56.5 Interfaring DL eirp density dBv@Hz 120 ~12.0 CA AS1 uplink ds 40.4 49.3 ASt TVI ASI downlink(wRx antenna pointing srror} d 20.5 20.6 Orbital Leeation for interfering S/0 #2 day —118.00 ~112.09 Geocentric Separation (wistation beeping} deg 3.80 3.30 Interfaring Uplink powar density doWiHz —56.5 ~66.5 Interfaring DL eirp density dBwiHz —12.0 —12.0 CH ASI upfink ds 40.3 48.7 CA AS! downlink (wRk antenna pointing armar} ds 18.7 18.7 Total CNN+T) ds 18.2 11.8 System Margin ds 4.4 2.0

EXHIBIT 11: GALAXY BSS—4 LINK BUDGETS (continued) CLRSKY DEGRA&DEO Carter Type 3EUKG7TW 2560KGTW Modulation BPSK EPSK Info Raie Mbit‘s 1128 0.128 Carrier FEC: C.S0 0.50 Moise SW: MHz 1.25G 0.268 CiN required ( 4B 2.7 2.7 Total Link Availability % 89.50 SIC Loc |Longitude deg —122.20 ~122.90 _ |Uplink Seam Name SPOT SPQT Beam Polarzation {H, V or, C) C C Polarization |Uplink Frequency GHz 25 25 Frequency |Downlink Seam Name SPOT SPOT Polarization {H, ¥ or, C) C C Downlink Frequency GHz 17 17 TX ES Rain rate exceeded for 0.01% of the year mmih 20 20 E/S Elevation angle deg 30.0 30.0 ES size m 0.40 0.80 Transmit 5B peak gain (Eff=0.55) dB 44.5 44.5 RX ES Rain rate sxceeded for 0.01% of the year mmih 2l 20 ES Elevation angle deg 30.0 30.0 ES size m .00 2.00 Recsive E/S peak gain (CH=—0.6} do 52.1 82.1 Receive Earth Station G/T dB/K 38.8 25.0 Uplink Carier eirp dBW 29.0 33.5 Thermat [Uplink PSD dBWiHz. ~58.8 —§5.3 Transponder SFD (Beam Pesk} dBWimz ~90.0 ~80.0 Input Backof B ~44.3 —44.3. Uplitk Path Loss, clear sky ds 2128 2126 Uplitk gaseous afienuation ds 0.2 1.3 Uplink rain aftenuation «B C.o 4.5 Satellite G/T (Beam Peak} dS/K 16.56 15.5 Antenna relative gain towards =IS dS 0.0 ©.0 TN thermal uplink <dS 7.A 5.9 Downlink |S(Csaturated EIRP (Beam Paak} dSW 57.0 57.0 Themial |Carrier Qutput backoff ds ~42.4 —142.4 Antenna relative gain towards Sarth Station d3 G.9 0.0 Camer EIRP towards Earh Station BW 14.8 14.8 Downlink Path Lass, clear sky ds 209.3 200.3 Downlink geseous aftenuation ds 0.1 D4 Cownlink rain attenustion «8 bo 24 Antenna Pointing error d8 > —0.3 —0.3 Receive Earth Station G/T dBK 38.9 30.8 CJN thermal downlink dS 18.2 12.4 PFD ai Ream Peak dBwWWmaltiHsz ~1+42.G —142.5 Other O (Infra—System Interferance} d3 20.0 . 20.0 Orbital Location for Intefering SVC #1 deg —127 .00 ~127.00 Geocentric Separation fwistafion kesping} deg 4.10 410 Interfaring Uplink power density dBWiHz —56.5 —§5.5 Interfering DA eirp density dBWiHz —12.0 ~42.0 C ASt uplink <dS 18.3 22.0 ASI C.1 ASt downlink fwiRx anfenna poinfing ecror} cS 21.5 ©1.5 Orbital Location for interfering S/C #2 deg ~119.00 ~112.00 Geccentric Separation {wistation keeping) deg 3.80 3.00 Interfering Uplink power density cBWIHz —58.& —56.5 Interfering DL eirp density dBWiHz —12.0 —12.0 Cil AST uplink ‘ ds 17.3 22.2 Cl ASt downlink {wRx antenna pointing error} 8 2D.7 20.7 Total CAM+T) ds 5.7 4.7 System Margin <dB 20 2.0


Document Created: 2019-04-14 19:52:22
Document Modified: 2019-04-14 19:52:22
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