Attachment Schedule S document

This document pretains to SAT-LOA-20070105-00006 for Application to Launch and Operate on a Satellite Space Stations filing.

IBFS_SATLOA2007010500006_543695

EchoStar 17 GHz RBW DBS Link Budget Link Parameters Clear Sky Faded D/L Faded D/L (Chicago) (Chicago) (Los Angeles) Link Geometry: Tx E/S Range to Satellite (Cheyenne) (km) 38,053 38,053 38,053 Rx E/S Range to Satellite (km) 38,920 38,920 37,141 Uplink (per carrier): Carrier Frequency (MHz) 25,000 25,000 25,000 Tx E/S Antenna Diameter (m) 12.0 12.0 12.0 Tx E/S Power to Antenna (W) 53.7 53.7 53.7 Tx E/S Antenna Gain (dB) 68.2 68.2 68.2 Tx E/S EIRP per Carrier (dBW) 85.5 85.5 85.5 Atmospheric and Other Losses (dB) 0.5 0.5 0.5 Free Space Loss (dB) 212.0 212.0 212.0 Satellite: G/T towards Tx E/S (dB/K) 10.3 10.3 10.3 EIRP per Carrier towards Rx E/S (dBW) 54.9 54.9 51.6 Downlink: Carrier Frequency (MHz) 17,500 17,500 17,500 Atmospheric and Other Losses (dB) 0.3 4.8 1.5 Free Space Loss (dB) 209.1 209.1 208.7 Rx E/S Antenna Diameter (m) 0.45 0.45 0.45 Rx E/S Antenna Gain (dB) 36.1 36.1 36.1 Rx E/S G/T (dB/K) 13.1 10.4 12.0 System (LNA+Sky) Noise Temp. (K) 200 369 258 Total Link: Carrier Noise Bandwidth (kHz) 24,000 24,000 24,000 (C/N) - Thermal Uplink (dB) 38.1 38.1 38.1 (C/N) - Thermal Downlink (dB) 13.4 6.2 8.2 (C/I) - Other Link Degradations (dB) 20.0 20.0 20.0 (C/N) - Total Actual (dB) 12.5 6.0 7.9 (C/N) - Total Required (dB) 4.8 4.8 4.8 Excess Margin (dB) 7.7 1.2 3.1 Availability (%) N/A 99.80 99.80


Document Created: 2007-01-12 09:24:29
Document Modified: 2007-01-12 09:24:29
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