Attachment Schedule S document

This document pretains to SAT-MOD-20060830-00092 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2006083000092_526293

Table A.13-2 –Link Budget for 72 MHz carrier. (72M0G7W) Representative Link Budget Link Parameters Clear Sky Faded D/L Carrier: Uncoded Data Rate (kbps) 82942.0 82942.0 Modulation QPSK QPSK FEC 0.691 0.691 Carrier Bandwidth (MHz) 72.0 72.0 Link Geometry: Tx E/S Range to Satellite (Honolulu beam) (km) 37,646 37,646 Rx E/S Range to Satellite (Phoenix beam) (km) 37,078 37,078 Uplink (per carrier): Carrier Frequency (MHz) 29,400 29,400 Tx E/S Antenna Diameter (m) 4.5 4.5 Tx E/S Power to Antenna (dBW) 19.0 19.0 Tx E/S Antenna Gain (dB) 61.0 61.0 Tx E/S EIRP per Carrier (dBW) 80.0 80.0 Atmospheric and Other Losses (dB) 0.3 0.3 Free Space Loss (dB) 213.3 213.3 Satellite: G/T towards Tx E/S (dB/K) 3.3 3.3 Satellite EIRP (-3 dB Contour) (dBW) 50.6 50.6 Downlink (per carrier): Carrier Frequency (MHz) 18,400 18,400 Atmospheric and Rain Losses (dB) 0.2 6.7 Free Space Loss (dB) 209.1 209.1 Rx E/S Antenna Diameter (m) 1.80 1.80 Antenna Mis-pointing Error (dB) 0.50 0.50 Rx E/S Antenna Gain (dB) 48.9 48.9 Rx E/S G/T (dB/K) 25.9 22.8 System (LNA+Sky) Noise Temperature (K) 200 414 Total Link: (C/N) - Thermal Uplink (dB) 19.7 19.7 (C/N) - Thermal Downlink (dB) 16.7 7.1 (C/I) - Intra-system (dB) 20.0 20.0 (C/I) up - Adjacent Satellite Interference (dB) 33.9 33.9 (C/I) dn - Adjacent Satellite Interference (dB) 15.0 15.0 (C/N) - Total Actual (dB) 11.3 6.1 (C/N) - Total Required (dB) 6.1 6.1 Excess Margin (dB) 5.2 0.0 Availability (%) N/A 99.96


Document Created: 2006-09-08 11:51:12
Document Modified: 2006-09-08 11:51:12
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