Attachment Schedule S document

This document pretains to SAT-LOA-20050311-00061 for Application to Launch and Operate on a Satellite Space Stations filing.

IBFS_SATLOA2005031100061_421917

Table 1: AfriStar-2 Reference Link Budget UNITS Satellite AfriStar-2 Uplink Beam Global (AU) Downlink Beam Spot (SD1R) Uplink Frequency GHz 7.05 Downlink Frequency GHz 1.4795 Transponder Bandwidth MHz 2.50 Carrier Aggregate Carrier Information Rate Mbit/s 1.586 FEC Inner Coding Rate 1/2 FEC Outer Coding Rate 223/255 Modulation Scheme QPSK Required Eb/No @ 10exp-4 dB 2.7 Implementation Margin dB 2.5 UPLINK Ground Segment Antenna Diameter m 4.6 Transmit eirp dBW 65.6 Space Segment Uplink Path Loss (incl. Atmospheric Losses) dB 201.8 Spacecraft G/T dB/K -10.8 G/T Degradations 2.3 Spacecraft G/T dB/K -13.1 Input Back-off (Total) dB 0.0 Operating Flux Density dBW/m² -97.8 C/No thermal up dBHz 79.2 DOWNLINK Space Segment Output Back-off (Per Carrier) dB 0.0 Saturated eirp dBW 53.6 Downlink Path loss dB 187.4 Receiver Receiver G/T dB/K -19.9 C/No Thermal down dBHz 74.9 C/(No+Io) Required dBHz 67.2 Available Downlink Margin 7.4


Document Created: 2005-03-14 12:07:42
Document Modified: 2005-03-14 12:07:42
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