Attachment Schedule S DOC 3

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

IBFS_SATAMD2011040800070_891615

EchoStar 17/24 GHz Link Budget Link Parameters Clear Sky Faded D/L Clear Sky Faded D/L (New York) (New York) (Miami) (Miami) Link Geometry: Tx E/S Range to Satellite (Cheyenne) (km) 38,983 38,983 38,983 38,983 Rx E/S Range to Satellite (km) 37,670 37,670 36,853 36,853 Uplink: Carrier Frequency (MHz) 25,000 25,000 25,000 25,000 Tx E/S Antenna Diameter (m) 12.0 12.0 12.0 12.0 Max. Tx E/S Power to Antenna (W) 5.0 5.0 5.0 5.0 Max. Tx E/S Power Density to Antenna (dBW/MHz) -6.8 -6.8 -6.8 -6.8 Tx E/S Antenna Gain (dB) 68.2 68.2 68.2 68.2 Tx E/S EIRP per Carrier (dBW) 75.2 75.2 75.2 75.2 Atmospheric and Other Losses (dB) 0.5 0.5 0.5 0.5 Free Space Loss (dB) 212.2 212.2 212.2 212.2 Satellite: G/T towards Tx E/S (dB/K) 17.2 17.2 17.2 17.2 EIRP per Carrier towards Rx E/S (dBW) 55.2 55.2 59.0 59.0 Downlink: Carrier Frequency (MHz) 17,500 17,500 17,500 17,500 Atmospheric and Other Losses (dB) 0.2 4.7 0.2 8.2 Free Space Loss (dB) 208.8 208.8 208.6 208.6 Rx E/S Antenna Diameter (m) 0.45 0.45 0.45 0.45 Rx E/S Antenna Gain (dB) 36.1 36.1 36.1 36.1 Pointing Error (dB) 0.5 0.5 0.5 0.5 Rx E/S G/T (dB/K) 13.1 10.3 13.1 9.7 System (LNA+Sky) Noise Temperature (K) 200 380 200 434 Total Link: Bandwidth (dB-Hz) 73.8 73.8 73.8 73.8 C/N - Thermal Uplink (dB) 34.4 34.4 34.4 34.4 C/N - Thermal Downlink (dB) 13.6 6.3 17.6 6.2 C/I - Aggregate uplink ASI (dB) 37.3 37.3 37.3 37.3 C/I - Aggregate downlink ASI (dB) 18.7 18.7 19.7 19.7 C/I - Other Link Degradations (dB) 22.0 22.0 22.0 22.0 C/(N+I) - Total, Actual (dB) 11.9 5.9 14.6 5.9 C/(N+I) - Total, Required (dB) 5.8 5.8 5.8 5.8 Excess Margin (dB) 6.1 0.1 8.8 0.1 Availability (%) N/A 99.86 N/A 99.82 Aggregate Interference Assessment: (C/N) - no ASI (dB) 13.0 6.1 16.2 6.1 Degradation due to aggregate ASI (dB) 1.0 0.2 1.6 0.2


Document Created: 2011-06-02 10:59:43
Document Modified: 2011-06-02 10:59:43
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