Attachment Schedule S document

This document pretains to SES-LFS-20050701-00852 for License to use Foreign Satellite (earth) on a Satellite Earth Station filing.

IBFS_SESLFS2005070100852_440290

EchoStar-4 DBS Link Budget (Normal Mode) Link Parameters Clear Sky Faded D/L Faded D/L (Los Angeles) (Los Angeles) (Miami) Link Geometry: Tx E/S Range to Satellite (Gilbert) (km) 38,073 38,073 38,073 Rx E/S Range to Satellite (km) 38,447 38,447 36,681 Uplink (per carrier): Carrier Frequency (MHz) 17,500 17,500 17,500 Tx E/S Antenna Diameter (m) 13.2 13.2 13.2 Tx E/S Power to Antenna (dBW) 15.3 15.3 15.3 Tx E/S Antenna Gain (dB) 65.5 65.5 65.5 Tx E/S EIRP per Carrier (dBW) 80.8 80.8 80.8 Atmospheric and Other Losses (dB) 0.4 0.4 0.4 Free Space Loss (dB) 208.9 208.9 208.9 Satellite: G/T towards Tx E/S (dB/K) 3.2 3.2 3.2 Sat'd EIRP (dBW) 54.9 54.9 54.9 EIRP towards Rx E/S (dBW) 49.9 49.9 53.4 Downlink (per carrier): Carrier Frequency (MHz) 12,500 12,500 12,500 Atmospheric and Rain Losses (dB) 0.1 2.4 5.2 Free Space Loss (dB) 206.1 206.1 205.7 Rx E/S Antenna Diameter (m) 0.45 0.45 0.45 Antenna Mis-pointing Error (dB) 0.30 0.30 0.30 Rx E/S Antenna Gain (dB) 34.0 34.0 34.0 Rx E/S G/T (dB/K) 12.7 10.0 8.9 System (LNA+Sky) Noise Temp. (K) 133 249 323 Total Link: Noise Bandwidth (dB-Hz) 73.2 73.2 73.2 (C/N) - Thermal Uplink (dB) 30.0 30.0 30.0 (C/N) - Thermal Downlink (dB) 11.6 6.5 6.6 (C/I) - Adjacent Satellite Interference (dB) 18.0 18.0 19.0 (C/I) - Other Link Degradations (dB) 22.9 22.9 22.9 (C/N) - Total Actual (dB) 10.4 6.1 6.2 (C/N) - Total Required (dB) 6.1 6.1 6.1 Excess Margin (dB) 4.3 0.0 0.1 Availability (%) N/A 99.97 99.92


Document Created: 2005-07-07 14:57:39
Document Modified: 2005-07-07 14:57:39
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