Attachment Schedule S DOC 8

This document pretains to SAT-AMD-20110408-00070 for Amended Filing on a Satellite Space Stations filing.

IBFS_SATAMD2011040800070_891605

EchoStar 17/24 GHz Link Budget Link Parameters Clear Sky Faded D/L Clear Sky Faded D/L Clear Sky Faded D/L Clear Sky Faded D/L (Los Angeles) (Los Angeles) (New York) (New York) (Miami) (Miami) (Puerto Rico) (Puerto Rico) Link Geometry: Tx E/S Range to Satellite (km) 39,080 39,080 37,910 37,910 37,948 37,948 39,080 39,080 Rx E/S Range to Satellite (km) 39,610 39,610 37,670 37,670 36,853 36,853 36,172 36,172 Uplink: Carrier Frequency (MHz) 25,000 25,000 25,000 25,000 25,000 25,000 25,000 25,000 Tx E/S Antenna Diameter (m) 12.0 12.0 12.0 12.0 12.0 12.0 12.0 12.0 Max. Tx E/S Power to Antenna (W) 15.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0 Max. Tx E/S Power Density to Antenna (dBW/MHz) -7.1 -7.1 -7.1 -7.1 -7.1 -7.1 -7.1 -7.1 Tx E/S Antenna Gain (dB) 68.2 68.2 68.2 68.2 68.2 68.2 68.2 68.2 Tx E/S EIRP per Carrier (dBW) 79.9 79.9 79.9 79.9 79.9 79.9 79.9 79.9 Atmospheric and Other Losses (dB) 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Free Space Loss (dB) 212.2 212.2 212.0 212.0 212.0 212.0 212.2 212.2 Satellite: G/T towards Tx E/S (dB/K) 18.5 18.5 15.8 15.8 18.2 18.2 18.5 18.5 EIRP per Carrier towards Rx E/S (dBW) 59.2 59.2 61.4 61.4 65.0 65.0 65.4 65.4 Downlink: Carrier Frequency (MHz) 17,500 17,500 17,500 17,500 17,500 17,500 17,500 17,500 Atmospheric and Other Losses (dB) 0.4 1.8 0.2 3.9 0.2 7.1 0.2 7.1 Free Space Loss (dB) 209.3 209.3 208.8 208.8 208.6 208.6 208.5 208.5 Rx E/S Antenna Diameter (m) 0.45 0.45 0.45 0.45 0.45 0.45 0.45 0.45 Rx E/S Antenna Gain (dB) 36.1 36.1 36.1 36.1 36.1 36.1 36.1 36.1 Pointing Error (dB) 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Rx E/S G/T (dB/K) 13.1 11.7 13.1 10.6 13.1 9.9 13.1 10.0 System (LNA+Sky) Noise Temperature (K) 200 277 200 359 200 420 200 405 Total Link: Bandwidth (dB-Hz) 78.9 78.9 78.9 78.9 78.9 78.9 78.9 78.9 C/N - Thermal Uplink (dB) 35.4 35.4 33.0 33.0 35.3 35.3 35.4 35.4 C/N - Thermal Downlink (dB) 11.8 9.0 14.7 8.4 18.5 8.4 19.0 9.0 C/I - Aggregate uplink ASI (dB) 36.9 36.9 37.2 37.2 37.2 37.2 36.9 36.9 C/I - Aggregate downlink ASI (dB) 20.2 20.2 19.8 19.8 20.6 20.6 21.2 21.2 C/I - Other Link Degradations (dB) 14.0 14.0 16.6 16.6 17.0 17.0 21.6 14.0 C/(N+I) - Total, Actual (dB) 9.4 7.5 11.7 7.5 13.6 7.6 15.6 7.6 C/(N+I) - Total, Required (dB) 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 Excess Margin (dB) 1.9 0.0 4.2 0.0 6.1 0.1 8.1 0.1 Availability (%) N/A 99.36 N/A 99.80 N/A 99.76 N/A 99.70 Aggregate Interference Assessment: (C/N) - no ASI (dB) 9.8 7.8 12.5 7.8 14.6 7.8 17.1 7.8 Degradation due to aggregate ASI (dB) 0.4 0.2 0.7 0.3 1.0 0.2 1.5 0.2


Document Created: 2011-06-02 10:56:59
Document Modified: 2011-06-02 10:56:59
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