Attachment Schedule S GXT

This document pretains to SAT-MOD-20071221-00182 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2007122100182_618862

EXHIBIT 2: SBS 6 Link Budgets EUPEINCBEAMINEORMATION Uplink Beam Name CONUsS CONUS CONUS CONUS CONUS CONUS Uplink Frequency (MHz) 14250 14250 14250 14250 14250 14250 Uplink Beam Polarization Horizontal/Vertical Horizontal/Vertical Horizontal/Vertical Horizontal/Vertical Horizontal/Vertical Horizontal/Vertical Uplink Relative Contour Level (dB) ~1 ~1 ~1 — —1 ~10 Uplink Contour G/T (dB/K) —0.85 —0.85 —0.85 —0.85 —0.85 —0.85 Uplink SFD (dBW/m‘) —13.4 —73.4 —73.4 ~73.4 —73.4 —13.4 1. Rain Rate(mm/br) _ 42.0 42.0 42.0 42.0 42.0 . 42.0 EDOWNEINKIBEAM.INEO * Downlink Beam Name . CONUS CONUS CONUS CONUS CONUS CONUS Downlink Frequency (MHz) 11950 11950 ©11950 11950 11950 11950 Downlink Beam Polarization ' Vertica/Horizontal Vertical/Horizontal Vertical/Horizontal Vertical/Horizontal Vertical/Horizontal Vertical/Horizontal Downlink Relative Contour Level (dB) — —1 ~10 —10 ~10 ~I Downlink Contour EIRP (dBW) 40.9 40.9 40.9 40.9 40.9 40.9 Rain Rate(mm/hr)______ 42.0 42.0 42.0 42.0 42.0 42.0 s JACENTSATEEET . Satelhte 1 Orbital Locatlon 78.95 WL 78.95 WL 78.95 WL 78.95 WL 78.95 WL 78.95 WL Uplink Power Density (dBW/Hz) —45.0 ~45.0 —45.0 ~45.0 ~45.0 —45.0 Uplink Polarization Advantage (dB) 0 0 0 0 0 0 Downlink EIRP Density (dBW/Hz) —20.8 —20.8 —20.8 —20.8 —20.8 —20.8 t i 0 0 0 0 0 0 Satellite 2Orbltal Locatlon 83.0 WL 83.0 WL 83.0 WL 83.0 WL 83.0 WL 83.0 WL Uplink Power Density (dBW/Hz) —45.0 —45.0 —45.0 ~45.0 ~45.0 ~45.0 Uplink Polarization Advantage (dB) 0 0° 0 0 0 0 Downlink EIRP Density (dBW/Hz) +21.5 +21.5 —21.5 —21.5 —21.5 —21.5 lnpDownlinkPolarization Advantage (dB 0 O C 0 0 0 0 ECARRIERINEFORMATIONZ . Carrier ID 1 1 1 2 2 2 Emission Designation 36MOF3F 36MOF3F 36MOF3F 30M8G7W 30M8G7W 30M8G7W Information Rate (kbps) nwa wa na 28380 28380 28380 Carrier Modulation TV/FM TV/FM TV/FM QPSK QPSK QPSK Peak to Peak Bandwidth of EDS (MHz) 4 4 4 wa na na Code Rate wa n/a wa 1/2 1/2 1/2 Occupied Bandwidth (kHz) 36000 36000 36000 30800 30800 30800 Allocated Bandwidth (kHz) 36000 36000 36000 41890 41890 41890 Minimum C/N, Clear Sky (dB) 10 10 10 5.2 5.2 5.2 Minimum C/N, Rain (dB) 10 10 10 4.2 4.2 4.2 FopeimnieraARIcHISTATIONE . Earth Station Diameter (meters) 7.0 7.0 7.0 6.1 6.1 6.1 Earth Station Gain (dBi) 58.1 58.1 58.1 56.9 56.9 56.9 Earth Statlon Elevanon Angle 20 20 20 20 20 20 Earth Station Diameter (meters) 13.0 13.0 13.0 6.1 6.1 6.1 Earth Station Gain (dBi) 62.6 62.6 62.6 55.5 55.5 55.5 Earth Station G/T, Clear Sky (dB/K) 41.9 41.9 38.4 33.1 33.1 30.0 Earth Station Elevation Angle 20 20 20 20 20 20 Clear Sky Uplink Fade Downlink Fade Clear Sky Uplink Fade _ Downlink Fade : URLT"K PERFORMANCrEER Uplink Earth Station EIRP (dBW) 81.1 81.1 81.1 75.5 75.5 75.5 Uplink Path Loss, Clear Sky (dB) —207.5 —207.5 —207.5 ~207.5 ~207.5 —207.5 Uplink Rain Attenutation (dB) 0.0 —2.0 0.0 0.0 —3.5 0.0 Satellite G/T (dB/K) —0.9 —0.9 —0.9 —0.9 —0.9 —0.9 ‘Boltzman Constant (dBW/K—Hz) 228.6 228.6 228.6 ©228.6 228.6 228.6 Carrier Noise Bandwidth (dB—Hz) —75.6 —75.6 —75.6 —14.9 —14.9 ~74.9 ...Uplink C/NC/N (dB hnz 25.3 23.8 25.8 20.9 . 174 20.9 EDOWwNEIN®E EORMANC Downlink EIRPper Carrier (dBW) 32.5 30.6 32.5 34.8 31.5 34.8 Antenna Pointing Error (dB) —0.5 ~0.5 —0.5 —0.5 —0.5 —0.5 Downlink Path Loss, Clear Sky (dB) =205.9 —205.9 ~205.9 —205.9 —205.9 =205.9 Downlink Rain Attenuation (dB) 0.0 0.0 —3.2 0.0 0.0 —4.9 Earth Station G/T, Clear Sky (dB/K) 41.9 41.9 38.4 33.1 33.1 30.0 Boltzman Constant (dBW/K—Hz) 228.6 228.6 228.6 228.6 228.6 228.6 Carrier Noise Bandwidth (dB—Hz) —15.6 —75.6 —75.6 —74.9 —14.9 ~14.9 __Downlink C/N (dB)_ wl 21.1 19.1 14.3 15.2 11.9 7.2 [ECOMPOSTEE:EINE—PEREORMANCE . C/N Uplink (dB) 25.8 23.8 25.8 20.9 17.4 20.9 C/N Downlink (dB) 21.1 19.1 14.3 15.2 11.9 7.2 C/I Intermodulation (dB) nwa wa nwa wa wa nwa C/L Uplink Co—Channel (dB)* 24.8 22.8 24.8 24.1 20.6 24.1 C/l Downlink Co—Channel (dB)* 24.8 22.8 24.8 24.1 20.8 24.1 C/I Uplink Adjacent Satellite 1 (dB) . 22.8 20.8 22.8 17.9 14.4 17.9 C/I Downlink Adjacent Satellite 1 (dB) 19.4 17.5 19.4 15.3 12.1 15.3 C/I Uplink Adjacent Satellite 2 (dB) 22.5 20.5 22.5 17.6 14.2 17.6 C/I Downlink Adjacent Satellite 2 (dB) 19.5 17.6 19.5 15.1 11.8 15.1 C/(N+1) Composite (dB) 13.0 11.0 11.0 8.5 5.2 5.2 Required System Margin (dB) —1.0 ~L0 © ~1.0 ~1.0 ~1.0 —1.0 Net C/(N+1) Composite (dB) 12.0 10.0 10.0 7.5 4.2 4.2 Minimum Required C/N (dB) —10.0 ~10.0 —10.0 ~5.2 —4.2 —4.2 Excess Link Margin (dB) 2.0 0.0 0.0 2.3 0.0 0.0 Number_gfmCarners 1 1 1 1 1 1 ECarrier:Density.L Uplink Power Density (dBW/Hz) ~43.0 ~43.0 ~43.0 —56.3 ~56.3 —56.3 Downlink EIRP Density At Beam Peak —23.5 —25.4 —23.5 —30.1 —33.4 —30.1 * Note: The C/I level is adjusted depending on the signal level and fransponder mode of operation. Page 16 of 18

EXHIBIT 2: SBS 6 LINK BUDGETS (continued) Eenfamumror o Uplmk Beam Name CONUS CONUS CONUS CONUS CONUS CONUsS Uplink Frequency (MHz) 14250 14250 14250 14250 14250 14250 Uplink Beam Polarization Horizontal/Vertical Horizontal/Vertical Horizontal/Vertical Horizontal/Vertical Horizontal/Vertical Horizontal/Vertical Uplink Relative Contour Level (dB) — — — ~10 —10 ~10 Uplink Contour G/T (dB/K) —0.85 —0.85 —0.85 —0.85 —0.85 —0.85 . Uplink SFD (dBW/m*) —734 —73.4 —734 —73.4 —1734 —734 Rain Rate(mm/hr) 42.0 42.0 42.0 42.0 42.0 42.0 EDOWNEINKBEANEINEORMEATIO Downlink Beam Name CONUS CONUS CONUS CONUS CONUS CONUS Downlink Frequency (MHz) 11950 11950 11950 11950 11950 11950 Downlink Beam Polarization Vertical/Horizontal Vertica/Horizontal Vertica/Horizontal Vertical/Horizontal Vertical/Horizontal Vertical/Horizontal Downlink Relative Contour Level (dB) — > ~1 —10 —~10 — — Downlink Contour EIRP (dBW) 40.9 40.9 40.9 40.9 40.9 40.9 Rain Rate (mm/hr) _ 42.0 42.0 42.0 42.0 42.0 42.0 RADJACENTESATEECIIE Satellite 1 Orbital Location 78.95 WL 78.95 WL 78.95 WL 78.95 WL 78.95 WL 78.95 WL Uplink Power Density (dBW/Hz) —45.0 —45.0 ~45.0 ~45.0 —45.0 ~45.0 Uplink Polarization Advantage (dB) 0 0 0 0 0 0 Downlink EIRP Density (dBW/Hz) ~20.8 ~20.8 —20.8 ~20.8 ~20.8 —20.8 Downlink Polarlzatlon Advantage (dB 0 0 0 . 0 0 0 EADJACENTESA 3 © Satellite 2 Orbital Locatlon 83.0 WL 83.0 WL 83.0 WL 83.0 WL 83.0 WL 83.0 WL Uplink Power Density (dBW/Hz) ~45.0 ~45.0 —45.0 ~45.0 —45.0 ~45.0 Uplink Polarization Advantage (dB) 0 0 0 0 0 0 Downlink EIRP Density (dBW/Hz) —21.5 —21.5 —21.5 —21.5 —21.5 —21.5 . Downlink Polarization Advantage (dB 0 ~ 0 0 0 0 . 0 [ECARRIERINEORMATION; Carrier ID 3 3 3 4 4 4 Emission Designation 6MTIGTW 6MTIGTW . 6MTIGTW TSKAGTW T5K4GTW TSK4GTW Information Rate (kbps) 6000 6000 6000 64 64 64 Carrier Modulation QPSK QPSK QPSK QPSK QPSK QPSK Peak to Peak Bandwidth of EDS (MHz) wa wa na na wa wa Code Rate 1/2xRS 1/2xRS 1/2xRS 1/2xRS 1/2xRS 1/2xRS Occupied Bandwidth (kHz) 6771.1 6771.1 6771.1 75.4 75.4 75.4 Allocated Bandwidth (kHz) 10300 10300 10300 100 100 100 Minimum C/N, Clear Skv (dB) 3.9 3.9 3.9 3.0 3.0 3.0 M_lp_l'_mum C/N, Rain (dB) 3.6 3.6 3.6 . 2.8 2.8 2.8 EUPEINCEARIHSTATIO Earth Station Diameter (meters) 6.1 6.1 6.1 6.1 6.1 6.1 Earth Station Gain (dBi) 56.9 56.9 56.9 56.9 56.9 56.9 _.Earth Station Elevation Angle _ 20 20 20 20 20 20 Earth Station Diameter (meters) 6.1 6.1 6.1 6.1 6.1 6.1 Earth Station Gain (dBi) 55.5 55.5 55.5 ©55.5 55.5 55.5 Earth Station G/T, Clear Sky (dB/K) 33.1 33.1 30.0 33.1 33.1 30.0 Earth Station Elevation Angle 20 20 20 20 20 20 Clear Sky Uplink Fade Downlink Fade Clear Sky Uplink Fade Downlink Fade EORMANG] Uplmk Earth Station EIRP (dBW) 71.4 71.4 71.4 51.2 51.2 51.2 Uplink Path Loss, Clear Sky (dB) —207.5 —207.5 —207.5 ~207.5 ~207.5 ~207.5 Uplink Rain Attenutation (dB) 0.0 —2.]¢ 0.0 0.0 —2.6 0.0 Satellite G/T (dB/K) —0.9 ©—0.9 —0.9 —0.9 —0.9 —0.9 Boltzman Constant (dBW/K—Hz) 228.6 228.6 228.6 228.6 228.6 228.6 Carrier Noise Bandwidth (dB—Hz) —68.3 —68.3 —68.3 48.8 48.8 48.8 Uplmk (_d__B)C/N . 23.4 20.7 23.4 22.7 20.1 22.7 EDOWNEINK:PEREORMA: Downlink EIRP per Carrier (dBW) 28.1 25.6 28.1 7.9 5.3 7.9 Antenna Pointing Error (dB) —0.5 —0.5 —0.5 —0.5 —0.5 —0.5 Downlink Path Loss, Clear Sky (dB) —205.9 —205.9 —205.9 —205.9 —205.9 —205.9 Downlink Rain Attenuation (dB) 0.0 0.0 ~4.6 0.0 0.0 ~4.8 Earth Station G/T, Clear Sky (dB/K) 33.1 33.1 30.0 33.1 33.1 30.0 Boltzman Constant (dBW/K—Hz) 228.6 228.6 228.6 228.6 228.6 228.6 Carrier Noise Bandwidth (dB—Hz) —68.3 ~68.3 —68.3 ~48.8 ~48.8 ~48.8 Downlink C/N (dB d 15.1 12.5 7.3 14.4 11.7 6.4 TCOMPrOSTTEIEINEEEREORMANC] > <| C/N Uplink (dB) 23.4 20.7 23.4 22.7 20.1 22.7 C/N Downlink (dB) 15.1 12.5 7.3 14.4 11.7 6.4 C/I Intermodulation (dB) 12.2 9.8 12.2 11.5 8.8 11.5 C/I Uplink Co—Channel (dB)* 20.1 17.5 20.1 20.0 174 20.0 C/I Downlink Co—Channel (dB)* 20.1 17.6 20.1 20.0 17.4 20.0 C/1 Uplink Adjacent Satellite 1 (dB) 204 17.8 20.4 19.7 17.1 19.7 C/l Downlink Adjacent Satellite 1 (dB) 15.2 12.7 15.2 14.5 11.9 14.5 C/I Uplink Adjacent Satellite 2 (dB) 20.1 17.5 . 20.1 19.4 16.3 19.4 C/I Downlink Adjacent Satellite 2 (dB) 15.0 12.5 15.0 14.3 11.7 14.3 C/(N+1) Composite (dB) 7.1 4.6 4.6 6.4 3.8 3.8 Required System Margin (dB) —1.0 —1.0 —1.0 —~1.0 +1.0 ~1.0 Net C/(N+1) Composite (dB) 6.1 3.6 3.6 5.4 2.8 2.8 Minimum Required C/N (dB) ~3.9 ~3.6 —3.6 —3.0 —2.8 —2.8 Excess Link Margin (dB) 2.2 0.0 0.0 24 0.0 0.0 N mher of Carrlers 4 4 4 430 430 430 (ECarrier.DensitysLevelsasie Uplink Power Density (dBW/Hz) —53.8 —53.8 —53.8 =54.5 -54.5 —54.5 Downlink EIRP Density At Beam Peak —30.2 —32.7 —30.2 —30.9 —33.5 —30.9 * Note: The C/I level is adjusted depending on the signal level and transponder mode of operation. Page 17 of 18

EXHIBIT 2: SBS 6 LINK BUDGETS (continued) Uplink Beam Name CONUS CONUsS CONUsS CONUS CONUS CONUsS Uplink Frequency (MHz) 14250 14250 14250 14250 14250 14250 Uplink Beam Polarization Horizontal/Vertical Horizontal/Vertical Horizontal/Vertical Horizontal/Vertical Horizontal/Vertical Horizontal/Vertical Uplink Relative Contour Level (dB)" ~1 — — —10 — ~10 Uplink Contour G/T (dB/K) —0.85 »0.85 —0.85 ~0.85 —0.85 —0.85 Uplink SFD (dBW/m*) —734 —13.4 —73.4 —173.4 —13.4 —73.4 Rain Rate (mm/hr) 42.0 42.0 42.0 42.0 42.0 42.0 ZDOWNEINKBEANEINEO Downlink Beam Name CONUS CONUS CONUS CONUS CONUS CONUsS Downlink Frequency (MHz) 11950 11950 11950 11950 11950 11950 Downlink Beam Polarization Vertical/Horizontal Vertical/Horizontal Vertical/Horizontal Vertical/Horizontal Vertical/Horizontal Vertical/Horizontal Downlink Relative Contour Level (dB) > — — ~10 — —10 ~10 Downlink Contour EIRP (dBW) 40.9 40.9 40.9 40.9 40.9 / 40.9 Ram (mm/hr Rate prpmmery 42.0 42.0 42.0 42.0 42.0 42.0 EADJACENT.SATEEECL Satellite 1 Orbital Location 78.95 WL 78.95 WL 78.95 WL 78.95 WL 78.95 WL 78.95 WL Uplink Power Density (dBW/Hz) ~45.0 ~45.0 —45.0 —45.0 —45.0 ~45.0 Uplink Polarization Advantage (dB) 0 — 0 0 0 0 0 Downlink EIRP Density (dBW/Hz) —20.8 —20.8 20.8 ~20.8 —20.8 ~20.8 Downlmk Polarization Advantage (dB 0 0 0 0 0‘ 0 EADJACENTSATECECCE] Satellite 2 Orbital Location 83.0 WL 83.0 WL 83.0 WL 83.0 WL 83.0 WL 83.0 WL Uplink Power Density (dBW/Hz) —45.0 ~45.0 —45.0 —45.0 ~45.0 —45.0 Uplink Polarization Advantage (dB) 0 0 0 0 0 0 Downlink EIRP Density (dBW/Hz) +21.5 ~21.5 —21.5 —21.5 —21.5 —21.5 .Downlink Polarization Advantage (dB 0 0 0 0 0 0 ECARRIERMTNFORMATION Carrier ID 5 5 5 6 6 6 Emission Designation 1M23GTW 1M23G7W 1M23G7TW 307KG7W 307KG7W 307KG7W Information Rate (kbps) 512 512 512 128 128 128 Carrier Modulation BPSK BPSK BPSK BPSK BPSK BPSK Peak to Peak Bandwidth of EDS (MHz) > nwa wa wa wa na wa Code Rate 1/2 1/2 1/2 1/2 1/2 1/2 Occupied Bandwidth (kHz) 1229 1229 1229 307 307 307 Allocated Bandwidth (kHz) 1450 1450 1450 400 400 400 Minimum C/N, Clear Sky (dB) 3.4 3.4 3.4 3.4 34 3.4 Minimum C/N, Rain (dB) 2.7 2.7 2.7 2.7 2.7 2.7 RUPEINCEARITHISEATION . Earth Station Diameter (meters) 6.1 6.1 6.1 6.1 6.1 6.1 Earth Station Gain (dBi) 56.9 56.9 56.9 56.9 56.9 56.9 Earth Statlon Eleyation Angle 20 20 20 20 20 20 1 § | E J B 5 Earth Station Diameter (meters) 6.1 6.1 6.1 6.1 6.1 6.1 Earth Station Gain (dBi) 55.5 55.5 55.5 55.5 §5.5 55.5 Earth Station G/T, Clear Sky (dB/K) 33.1 33.1 30.0 33.1° 33.1 30.0 Earth Station Elevation Angle 20 20 20 20 20 20 . Clear Sky Uplink Fade Downlink Fade Clear Sky Uplink Fade Downlink Fade SUPEINECE NC Uplmk Earth Station EIRP (dBW) 63.2 63.2 63.2 57.2 57.2 57.2 Uplink Path Loss, Clear Sky (dB) —207.5 —207.5 —207.5 —207.5 —207.5 —207.5 Uplink Rain Attenutation (dB) 0.0 —2.6 0.0 0.0 —2.6 ° 0.0 Satellite G/T (dB/K) —0.9 —0.9 —0.9 —0.9 —0.9 —0.9 Boltzman Constant (dBW/K—Hz) 228.6 228.6 228.6 228.6 228.6 228.6 Carrier Noise Bandwidth (dB—Hz) ~60.9 ~60.9 —60.9 —54.9 —54.9 ~54.9 Uplmk C/N (dB)____ 22.6 19.9 22.6 22.6 20.0 22.6 [EDOWNEINKFEREOR Downlink EIRP per Carrler (dBW) 19.9 17.2 19.9 13.9 11.3 13.9 Antenna Pointing Error (dB) —0.5 —0.5 —0.5 ——0.5 —0.5 —0.5 Downlink Path Loss, Clear Sky (dB) —205.9 . »205.9 ~205.9 —205.9 ~205.9 —205.9 Downlink Rain Attenuation (dB) 0.0 0.0 ~4.8 0.0 0.0 ~4.8 Earth Station G/T, Clear Sky (dB/K) 33.1 33.1 30.0 33.1 33.1 30.0 Boltzman Constant (dBW/K—Hz) 228.6 228.6 228.6 228.6 228.6 228.6 Carrier Noise Bandwidth (dB—Hz) —60.9 —60.9 +60.9 —54.9 —54.9 —54.9 Downlink C/N(dB) 14.2 11.6 6.4 14.3 . 11.6 64 ZCOMEOSITE—CEINEPERE C/N Uplink (dB) 22.6 19.9 22.6 22.6 20.0 22.6 C/N Downlink (dB) 14.2 11.6 6.4 14.3 11.6 6.4 C/I Intermodulation (dB) 11.3 8.7 11.3 11.4 8.7 11.4 C/I Uplink Co—Channel (dB)* 20.4 17.7 . 20.4 20.0 17.4 20.0 C/I Downlink Co—Channel (dB)* 20.4 17.8 20.4 20.0 174 20.0 C/I Uplink Adjacent Satellite 1 (dB) 19.6 16.9 19.6 19.6 17.0 19.6 C/I Downlink Adjacent Satellite 2 (dB) 144 11.8 14.4 14.4 11.8 144 C/I Uplink Adjacent Satellite 2 (dB) 19.3 16.6 19.3 19.3 — 16.7 19.3 C/I Downlink Adjacent Satellite 2 (dB) 14.2 11.5 14.2 14.2 11.6 14.2 C/(N+LI) Composite (dB) 6.3 3.7 3.7 6.3 3.7 3.7 Required System Margin (dB) —1.0 —1.0 —L.0 ~L.0 —~1.0 —1.0 Net C/(N+1) Composite (dB) 5.3 2.7 2.7 5.3 2.7 2.7 Minimum Required C/N (dB) ~3.4 2. —2.7 —3.4 —2.7 —2.7 Excess Link Margin (dB) 1.9 0.0 0.0 1.9 0.0 0.0 _Number Carriers of . , 29 29 29 107 107 107 ECarrierDensity:Levelsa Uplink Power Density (dBW/Hz) ~54.6 —54.6 —54.6 —54.6 =54.6 —54.6 Downlink EIRP Density At Beam Peak ~31.0; —33.7 —31.0 —31.0 —33.6 »31.0 * Note: The C/I level is adjusted depending on the signal level and transponder mode of operation 1 i I Page 18 of 18 |


Document Created: 2019-05-28 17:17:51
Document Modified: 2019-05-28 17:17:51
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