Attachment Schedule S DOC 8

This document pretains to SAT-MOD-20110504-00085 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2011050400085_891584

EchoStar 17/24 GHz Link Budget Link Parameters Clear Sky Faded D/L Clear Sky Faded D/L (Los Angeles) (Los Angeles) (Mexico City) (Mexico CIty) Link Geometry: Tx E/S Range to Satellite (Cheyenne) (km) 38,110 38,110 38,110 38,110 Rx E/S Range to Satellite (km) 38,362 38,362 36,627 36,627 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) 0.7 0.7 0.7 0.7 Free Space Loss (dB) 212.0 212.0 212.0 212.0 Satellite: G/T towards Tx E/S (dB/K) 17.3 17.3 17.3 17.3 EIRP per Carrier towards Rx E/S (dBW) 52.5 52.5 52.3 52.3 Downlink: Carrier Frequency (MHz) 17,500 17,500 17,500 17,500 Atmospheric and Other Losses (dB) 0.3 2.7 0.2 2.4 Free Space Loss (dB) 209.0 209.0 208.6 208.6 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 11.1 13.1 11.2 System (LNA+Sky) Noise Temperature (K) 200 319 200 311 Total Link: Bandwidth (dB-Hz) 73.8 73.8 73.8 73.8 C/N - Thermal Uplink (dB) 34.5 34.5 34.5 34.5 C/N - Thermal Downlink (dB) 10.6 6.2 10.9 6.8 C/I - Aggregate uplink ASI (dB) 37.3 37.3 37.3 37.3 C/I - Aggregate downlink ASI (dB) 18.9 18.9 13.1 13.1 C/I - Other Link Degradations (dB) 22.0 22.0 22.0 22.0 C/(N+I) - Total, Actual (dB) 9.7 5.9 8.6 5.8 C/(N+I) - Total, Required (dB) 5.8 5.8 5.8 5.8 Excess Margin (dB) 3.9 0.1 2.8 0.0 Availability (%) N/A 99.89 N/A 99.85 Aggregate Interference Assessment: (C/N) - no ASI (dB) 10.3 6.1 10.6 6.7 Degradation due to aggregate ASI (dB) 0.6 0.2 1.9 0.9


Document Created: 2011-06-02 10:50:21
Document Modified: 2011-06-02 10:50:21
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