Attachment Schedule S GXT

This document pretains to SAT-MOD-20080523-00113 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2008052300113_643945

EXHIBIT 5: LINK BUDGETS ":~UPLINKBEAM—INEORMATION: Uplink Beam Name CONUS CONUS CONUS CONUS Uplink Frequency (MHz) 5925 — 6425 5925 — 6425 5925 — 6425 5925 — 6425 Uplink Beam Polarization . Horizontal Horizontal Horizontal Horizontal Uplink Relative Contour Level (dB) a4 —4 ~4 . —4 Uplink Contour G/T (dB/K) 0,2 0.2 0.2 0.2 ...UplinkSFD(dBW/m*)_. »90.2 —90.2 «86.2 ~86.2 ZDOWNLINKBEAM.INFORMATION: Downlink Beam Name CONUS CONUS CONUS CONUS Downlink Frequency (MHz) 3700 — 4200 3700 — 4200 3700 — 4200 3700 — 4200 Downlink Beam Polarization Vertical Vertical Vertical Vertical Downlink Relative Contour Level (dB) —4 —4 4 o —4 D ir EIRP (dBW) 36.2 ‘36.2 36.2 36.2 i2 TE Satellite 1 Orbital Location 83 WL 83 WL 83 WL 83 WL Unlink Power Density (dBW/Hz) —53.3 —53.3 ~53.3 ~53.3 Uplink Polarization Advantage (dB) 0 0 0 0 Downlink EIRP Density (dBW/Hz) —33.8 —33.8 —33.8 _ — —33.8 __DownlinkPolarization Ady. dB 0 0 0 0 _‘ADJACENTSATELLITE2 * Satellite 2 Orbital Location 87 WL 87 WL 87 WL 87 WL Uplink Power Density (dBW/Hz) —38.7 =38.7 =38.7 t =38.7 Uplink Polarization Advantage (dB) 0 0 0 0 Downlink EIRP Density (dBW/Hz) =33.8 —33.8 =33.8 —33.8 _DownlinkPolarizationAdy: 0 0 0 0 Carrier ID 1 2 3 4 Emission Designation 36MOF3F 36MOGTW 10M3;GW 100KGTW Information Rate (kbps) 36863 6000 64 Carrier Modulation QPSK QPSK * QPSK Peak to Peak Bandwidth of EDS (MHz) wa n/a n/a Code Rate 3/AxRS 1/2xRS 1/2xRS Occupied Bandwidth (kHz) ~ 30133 6771.1 754 Allocated Bandwidth (kHz) 36000 10300 100 __MinimumC/N(dB)_ 6.1 3.9 3.0 ~UPLINKEARTHSTATION— Earth Station Diameter (meters) 6.1 * 6.1 6.1 Earth Station Gain (dBi) 494 _ 49 4 49 4 EarthStationElevationAngle 20 20 20 _DOWNLINKEARTHSTATION:— 3 Earth Station Diameter (meters) — 3.5 3.0 3.0 Earth Station Gain (dBi) 41.1 39.7 ' — 39.7 Earth Station G/T, Clear Sky (dB/K)— 21.0 19.2 19.2 _EarthStationElevationAngle 20 > 20 20 _UPLINKPERFORMANCE—.. Uplink Earth Station EIRP (dBW) 72.1 69.2 48.8 Uplink Path Loss, Clear Sky (dB) —200.2 —200.2 —200.2 Satellite G/T (dB/K) 0.2 0.2 0.2 Boltzman Constant (dBW/K—Hz) 228.6 228.6 228.6 Carrier Noise Bandwidth (dB—Hz) > —74.8 —68.3 —48.8 _UplinkC/N(dB)__ 26.5 29.5 28.7 _DOWNLINKPERFORMANCE, Downlink EIRP per Carrier (dBW) 36.2 29.0 8.6 Antenna Pointing Error (dB) —0.5 —0.5 —0.5 Downlink Path Loss, Clear Sky (dB) ~196.3 . ~196.3 Earth Station G/T, Clear Sky (dB/K) 19.2 19.2 Boltzman Constant (dBW/K—Hz) 228.6 228.6 Carrier Noise Bandwidth (dB—Hz) —68.3 ~48.8 _DownliakC/N(dB)..___ 11.7 10.8 "_COMPOSITE.EINEPE P,ERFORMANCE___ C/N Uplink (dB) 29.5 28.7 C/N Downlink (dB) 11.7 10.8 C/I Intermodutation (dB) 20.3 194 C/ Uplink Co—Channel (dB)* 28.8 28.5 C/ Downlink Co—Channel (dB)* 28.8 28.5 C/I Uplink Adjacent Satellite 1 (dB) 31.6 30.8 C/I Downlink Adjacent Satellite 1 (dB) 14.0 13.1 C/ Uplink Adjacent Satellite 2 (dB) 18.2 17.3 C/I Downlink Adjacent Satellite 2 (dB) 72 6.4 C/[N+1) Composite (dB) — 4.9 4.0 Required System Margin (dB) —1.0 ~1.0 Net C/(N+T) Composite (dB) 3.9 3.0 Minimum Required C/N (dB) —3.9 —3.0 0.0 0.0 {CarrierDensity.Levels—..._.. _ Uplink Power Density (dBW/Hz) ~46.1 ~48.5 ~49.4 Downlink EIRP Density At Beam Peak <25.8 —35.3 —36.2 Number of Carriers 2.3 256.4 * Note: The C/L level is adjusted depending on the signal level and transponder mode of operation. Page 28 of 29

EXHIBIT 5: LINK BUDGETS (continued) |_UPLINKBEAMINFORMATION% Uplink Beam Name CONUS CONUS CONUS CONUS Uplink Frequency (MHz) 5925 — 6425 5925 — 6425 5925 — 6425 5925 — 6425 Uplink Beam Polarization Vertical Vertical Vertical Vertical Uplink Relative Contour Level (dB) 60 4 —4 —4 —4 Uplink Contour G/T gdB/K) —1.5 ~1.5 «1,5 —1.5 UplinkSFD(dBW/m?) —90.0 —90.0 ~84.0 —84.0 LDOWNLINKBEAMINFORMATION._.Z Downlink Beam Name CONUS CONUS CONUS CONUS Downlink Frequency (MHz) 3700 —— 4200 3700 — 4200 3700 — 4200 3700 — 4200 Downlink Beam Polarization Horizontal Horizontal Horizontal Horizontal Downlink Relative Contour Level (dB) ~4 4 —4 —4 _Downlink 36.1 36.1 36.1 36.1 _~ADJACENT:SA:! Satellite 1 Orbital Location 83 WL 83 WL 83 WL 83 WL Uplink Power Density (dJBW/Hz) — —53.3 —53.3 —53.3 «53.3 Uplink Polarization Advantage (dB) 0 0 0 0 Downlink EIRP Density (dBW/Hz) —33.8 ~33.8 =33.8 ~33.8 D0\vnl|nk}’qlarlzatlonAdvantage (dB) 0 . 0 0 0 87 WL 87 WL 87 WL 87 WL Uplink Power Density ((IBW/Hz) =38.17 =38.1 =38.7 —38.1 Uplink Polarization Advantage (dB) 0 * 0 0 0 Downlink EIRP Density (dBW/Hz) =33.8 . —33.8 —33.8° —33.8 _DownlinkPolarizationAdvan: 0 0 0 0 ~CARRIERINFORMATION Carrier ID 1 2 3 4 Emission Designation 3GMOF3F 36MOGTW 10M3GTW 100KGTW Information Rate (kbps) n/a 36863 6000 64 Carrier Modulation TV/FM QPSK QPSK QPSK Peak to Peak Bandwidth of EDS (MHz) 4 n/a na n/a Code Rate n/a 3/AxRS 1/2xRS 1/2xRS Occupied Bandwidth (kHz) 36000 30133 6771.1 75.4 Allocated Bandwidth (kHz) 36000 36000 10300 100 _MinimumC/N(dB)__ 10 6.1 3.9 3.0 _UPLINK.EARTH STATION Earth Station Diameter (meters) 8.1 6.1 ~ 6.1 6.1 Earth Station Gain (dBi) 52.8 49 4 49.4 49.4 ,_EarthStationElevationAngle 20 20 20 20 DOWNLINKEARTH.STATION Earth Station Diameter (meters) 7.0 3.5 «30 3.0 Earth Station Gain (dBi) 47.5 41.1 39.7 39.7 Earth Station G/T, Clear Sky (dB/K) 26.6 21.0 19.2 19.2 _EarthStationElevation Anglc e 20 20 20 20 INKPERF ied Unllnk Earth Station EIRP(dBW) 72.9 72.9 71.5 51.0 Uplink Path Loss, Clear Sky (dB) —200.2 ~200.2 =200.2 —200.2 Satellite G/T (dB/K) ~1.5 —1.5 —1,5 —1.5 Boltzman Constant (dBW/K—Hz) 228.6 228.6 228.6 Carrier Noise Bandwidth (dB—Hz) ~75.6 ~74.8 ~68.3 __UplinkC/N(dB)._._ 24.2 25.0 30.0 DOWNLINKPEREORMANCE:: Downlmk EIRP per Carrier (dBW) 36.1 36.1 28.9 Antenna Pointing Error (dB) —0.5 —0.5 ~0.5 Downlink Path Loss, Clear Sky (dB) —196.3 —196.3 —196.3 Earth Station G/T, Clear Sky (dB/K) 26.6 21.0 19.2 Boltzman Constant (dBW/K—Hz) 228.6 > \ 228.6 228.6 Carrier Noise Bandwidth (dB—Hz) ~15.6 * ~74.8 —68.3 _DownlinkC/N(dB) 18.9 14.1 11.6 _COMPOSITE.LINKPERFORMANCE:."2" C/N Uplink (dB) 24.2 25.0 C/N Downlink (dB) 18.9 14.1 C/I Intermodulation (dB) wa wa C/I Uplink Co—Channel (dB)* 27.0 27.0 C/I Downlink Co—Channel (dB)* 27.0 27.0 C/I Uplink Adjacent Satellite 1 (dB) 28.1 28.9 C/I Downlink Adjacent Satellite 1 (dB) 20.5 15.7 C/I Uplink Adjacent Satellite 2 (dB) 14.6 154 C/I Downlink Adjacent Satellite 2 (dB) 20.1 13.6 C/(N+1) Composite (dB) 11.2 8.3 Required System Margin (dB) «1.0 »1.0 Net C/(N+L) Composite (dB) 10.2 73 Minimum Required C/N (dB) —10.0 —6.1 _Excess LinkMargin(dB)_______ 0.2 1.2 _CarrierDensity_Levels .l put: Uplink Power Density (dBW/l-Iz) ~45.9 «51.3 Downlink EIRP Density At Beam Peak —25.9 —34.1 Number of Carriers 1 1 * Note: The C/I level is adjusted depending on the signal level and transponder mode of operation. Page 29 of 29


Document Created: 2019-04-14 13:42:55
Document Modified: 2019-04-14 13:42:55
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