Attachment Schedule S GXT

This document pretains to SAT-MOD-20090309-00034 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2009030900034_699413

Exhibit 4: Link Budgets (continued) [C—Band Channel: Rang_g and Back—up Command] |_UPLINK.BEAMINFORMATION®:*:%:ss Uplink Beam Name Europe—Asia—Africa Europe—Asia—Africa Uplink Frequency (MHz) 6411 6315 Uplink Beam Polarization Vertical Horizontal Uplink Relative Contour Level (dB) —3 Uplmk Contour G/T (dB/K) 14 14‘ —83.4 717 Downlink Beam Name 8 Europe—Asia—Africa Europe—Asia—Affica Downlink Frequency (MHz) 4186 | 4090 Downlink Beam Polarization Horizontal Vertical Downlink Relative Contour Level (dB) —2 —2 _DownlinkContourEIRP (dBW) 38.3 38.3 LADJACENTSATELLITE 1.E w10 c Satellite 1 Orbital Location 48.75 EL 48.75 E.L Uplink Power Density (dBW/Hz) —38.7 —38.7 Uplink Polarization Advantage (dB) 0 0 . Downlink EIRP Densntv (dBW/Hz) —36.5 ~36.5 dB 0 * 0 Satelllte 2 Orbital Locatlon 52.15 E.L 5275 EL Uplink Power Density (dBW/Hz) —38.7 —38.7 Uplink Polarization Advantage (dB) 0 0 Downlink EIRP Density (dBW/Hz) —36.5 —36.5 Downlink PolarizationAdvantage (dB) 0 0 ‘ARRIERINFORMATION: Carrier ID Command Ranging Emission Designation 10M0GID 1M00GID Information Rate (kbps) ‘ 4167 417 Carrier Modulation > BPSK BPSK Peak to Peak Bandwidth of EDS (MHz) n/a na Code Rate 1/2 1/2 Occupied Bandwidth (kHz) 10000.0 1000.0 Allocated Bandwidth (kHz) 10000.0 1000.0 _Minimum.C/N(dB)______ 10 3.4 XUPHT THSTATION x Earth Statmn Diameter (meters) 11.3 11.3 Earth Station Gain (dBi) 55.5 55.5 __EarthStationEley.: Elevgflt_g)p_éggle 20.0 20.0 CDOWNEINEEAR THONH e aiacel > Earth Station Dlameter (meters) 11.3 11.3 Earth Station Gain (dBi) 51.7 51.7 Earth Station G/T (dB/K) 30.8 30.8 Earth Station Elevation Angle 20.0. 20.0 Uplmk Earth StatlonEIRP(dBVV) 72.0 65.0 Uplink Path Loss, Clear Sky (dB) —200.5 —200.4 Uplink Rain Attenuation (dB) 0.0 0.0 Satellite G/T (dB/K) 14 14 Boltzman Constant (dBW/K—Hz) 228.6 228.6 Carrier Noise Bandwidth (dB—Hz) ~10.0 —60.0 _UplinkC/N(dB) 31.5 34.5 Downlink EIRP per Carner (dBW) n/a 14.0 Antenna Pointing Error (dB) w/a —0,.5 Downlink Path Loss, Clear Sky (dB) n/a —196.6 Downlink Rain Attenuation (dB) n/a 0.0 Earth Station G/T (dB/K) n/a 30.8 Boltzman Constant (dBW/K—Hz) n/a 228.6 Carrier Noise Bandwidth (dB—Hz) n/a —60.0 |_Downlink C/N (dB)_ n/a 16.3 ZCOMPOSITELINKPERFORMANCEEEE: C/N Uplink (dB) ' 31.5 34.5 C/N Downlink (dB) na 16.3 C/I Intermodulation (dB) wa n/a C/I Uplink Co—Channel (dB)* w 31.3 24.3 C/I Downlink Co—Channel (dB)* wa 24.3 C/I Uplink Adjacent Satellite 1 (dB) 19.7 22.6 C/I Downlink Adjacent Satellite 1 (dB) . > wa 20.5 C/ Uplink Adjacent Satellite 2 (dB) 19.7 22.6 C/I Downlink Adjacent Satellite 2 (dB) n/a 214 C/(N+1) Composite (dB) 16.4 12.3 Required System Margin (dB) ~1.0 —1.0 Net C/(N+I) Composite (dB) 154 11.3 Minimum Required C/N (dB) 10.0 34: Excess Link Margin (dB) 5.4 — 8.1 |._Number of Carriers 1 1 CarrierDensity.Lev mtsttcns Uplink Power Density (dBW/Hz) —53.5 —50.6 Downlink EIRP Density At Beam Peak wa —44.0 *Note: The C/I level is adjusted depending on the signal level andtransponder mode of operation. Page 38 of 38


Document Created: 2019-04-15 12:44:38
Document Modified: 2019-04-15 12:44:38
© 2025 FCC.report
This site is not affiliated with or endorsed by the FCC