Attachment Schedule S DOC 25

This document pretains to SES-LIC-20120426-00397 for License on a Satellite Earth Station filing.

IBFS_SESLIC2012042600397_951154

INM-KA RETURN LINK BUDGET (COMMS. HCP ) General Unit SEATEL 60cm User terminal type - Test return carrier GW-GW (HCP) Carrier designator - 3M16G7W (TEST-R4) Data rate (kbps) (kbps) 1510 Coding rate - 2/3 Modulation - BPSK Occupied bandwidth (kHz) 2630.3 Allocated bandwidth (kHz) 3156.3 Uplink Beam User-Spot (HCP) Frequency (GHz) 29.25 EIRP (dBW) 49.2 Antenna tx gain dBi 69.1 Uplink power (dBW) -19.9 Uplink p.s.d. (dBW/Hz) -84.1 Path loss (dB) 213.5 Rain loss (dB) 7.0 Mean Atmospheric loss (dB) 1.7 Satellite G/T (EOC) (dB/K) 11.0 Up-path C/No (dBHz) 66.6 Up-path C/N (dB) 2.4 Downlink Beam Feeder Frequency (GHz) 18 Max pfd per crx @ earth surface(beam (dBW/m2/1MHz) -138.8 peak) Beam Peak to Edge of Coverage (dB) 3.0 Max pfd per crx @ earth surface(EOC) (dBW/m2/1MHz) -141.8 Satellite EIRP (EOC) (dBW) 24.4 Path loss (dB) 209.3 Rain loss (dB) 5.6 Mean Atmospheric loss (dB) 0.7 Earth Station G/T (dB/K) 42.0 G/T degradation due to rain (dB) 2.6 Rx terminal Pointing loss (dB) 0.1 Co-Channel / adj . beam interf. (dn) (dBHz) 87.2 Down-path C/No (dBHz) 76.4 Down-path C/N (dB) 12.2 Total Mean satellite C/Imo (dBHz) 81.4 Mean Overall C/No (dBHz) 66.0 Total C/I (adjacent satellite interference) (dB) 16.2 Mean Overall C/N (incl. a.s.i) (dB) 1.7 Margin C/N required (dB) 1.0

C/N margin (dB) 0.7 Availability (%) 98.6 C/I calculations Orbital separation (interferor 1) degree 2.0 Worst case topocentric angle (1) degree 2.09 Uplink C/I Interferor 1 Max. uplink p.s.d (dBW/Hz) -56.0 Other's sidelobe at 2 deg. sep X-25log(t) 29.0 Tx Sidelobe gain at 2 deg sep dBi 21.0 Inm-Ka C/I up1 dB 17.0 Downlink C/I Interferor 1 Max. ground PFD (dBW/m2/MHz) -121.1 Max. downlink EIRP s.d (dBW/Hz) -19.0 Inm Rx sidelobe gain at 2 deg sep dBi 21.0 Inm-Ka C/I dn1 dB 24.0 Total C/I (adjacent satellite interference) dB 16.2


Document Created: 2012-05-08 12:02:18
Document Modified: 2012-05-08 12:02:18
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