Attachment Schedule S GXT

This document pretains to SAT-MOD-20050815-00159 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2005081500159_451833

EXHIBIT 10; GALAXY—12 LINK BUDGETS a3 Uplink Beam Name CONUS CONUS CONUS CONUS Uplink Frequency (MHz) 6185 6185 6185 6185 Uplink Beam Polarization Vertical / Horizontal Vertical / Horizontal Vertical / Horizontal Vertical / Horizontal Uplink Relative Contour Level (dB) 4 4 4 Uplink Contour G/T (dB/K) —0.5 —0.5 —0.5 0.5 Uplink SFD (dBW/m*) —88.5 —88.5 —85.5 —85.5 Downlink Beam Name CONUS CONUS CONUS Downlink Frequency (MHz) 3960 3960 3960 Downlink Beam Polarization Horizontal / Vertical Horizontal / Vertical Horizontal / Vertical Horizontal / Vertical Downlink Relative Contour Level (dB) 2 2 Downlink Contour EIRP (dBW) 42.2 42.2 42.2 revrmgee Satellite 1 Orbital Location 123 WL 123 WL 123 WL Uplink Power Density (dBW/Hz) ~45 ~45 ~45 Uplink Polarization Advantage (dB) 0 0 0 Dowanlink EIRP Density (dBW/Hz) 29.9 —29.9 —29.9 Downlink Polarization Advantage (dB) 0 0 0 Satellite 2 Orbital Location 127 WL 127 WL 127 WL 127 WL Uplink Power Density (dBW/Hz) ~45 ~45 ~45 —45 Uplink Polarization Advantage (dB) Downlink EIRP Density (dBW/Hz) —30.4 —30.4 ~30.4 Downlink Polarization Advantage (dB) Carrier ID 30M1G7W SMS7GTW TIKOGTW Information Rate (kbps) 36863 6000 64 Carrier Modulation QPSK QPSK QPSK Peak to Peak Bandwidth of EDS (MHz) n/a n/a n/a Code Rate 3AxRS 3/4 172 Occupied Bandwidth (kHz) 30133 5565 77 Allocated Bandwidth (kHz) 36000 6000 100 Minimum C/N, Rain (dB) 6.1 6.8 6.8 ue Earth Station Diameter (meters) Earth Station Gain (dBi) 51 51 Earth Station Elevation Angle 20 roeseus Earth Station Diameter (meters) »$$8# Pis uo Earth Station Gain (dBi) 39.7 Earth Station G/T, Clear Sky (dB/K) 19.2 Earth Station Elevation Angle 20 O3 3 TE Uplink Earth Station EIRP (dBW) 74.4 48.3 Uplink Path Loss, Clear Sky (dB) —200.2 —200.2 Satellite G/T (dB/K) —0.5 —0.5 Boltzman Constant (dBW/K—Hz) 228.6 228.6 Carrier Noise Bandwidth (dB—Hz) —74.8 ~48.9 Uplink C/N (dB) 27.5 27.3 . wirel ol 12. 8 Downlink EIRP per Carrier (dBW) 30.9 Antenna Pointing Error (dB) —0.5 Downlink Path Loss, Clear Sky (dB) —196.4 Earth Station G/T, Clear Sky (dB/K) 21.0 Boltzman Constant (dBW/K—Hz) 228.6 Carrier Noise Bandwidth (dB—Hz) —67.5 Downlink C/N (dB) 16.2 sppmmpmmmmmmmemnnnmmmemes plink (dB) 25.0 C/N Downlink (dB) 16.2 C/I Intermodulation (dB) 17.5 C/I Uplink Co—Channel (dB)* 271.0 C/ Downlink Co—Channel (dB)* 27.0 C/ Uplink Adjacent Satellite 1 (dB) 21.5 C/I Downlink Adjacent Satellite 1 (dB) 12.8 C/I Uplink Adjacent Satellite 2 (dB) 18.6 C/ Downlink Adjacent Satellite 2 (dB) 13.6 C/(N+1) Composite (dB) 7.8 Required System Margin (dB) —1.0 Net C/(N+1) Composite (dB) 6.8 Minimum Required C/N (dB) Excess Link Margin (dB) 0.0 plink Power Density (dBW/Hz) ~42.6 —51.4 ~53.9 Downlink EIRP Density At Beam Peak (dBW/Hz) —21.8 —30.6 —34.6 * Note: The C/ level is adjusted depending on the signal level and transponder mode of operation. Page 16 of 18


Document Created: 2019-04-14 16:21:35
Document Modified: 2019-04-14 16:21:35
© 2025 FCC.report
This site is not affiliated with or endorsed by the FCC