Attachment Schedule S DOC 12

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

IBFS_SATMOD2011050400085_888880

EchoStar 17/24 GHz Link Budget Link Parameters Clear Sky Faded D/L (Mexico City) (Mexico City) Link Geometry: Tx E/S Range to Satellite (km) 38,110 38,110 Rx E/S Range to Satellite (km) 36,627 36,627 Uplink: Carrier Frequency (MHz) 25,198 25,198 Tx E/S Antenna Diameter (m) 12.0 12.0 Max. Tx E/S Power to Antenna (W) 15.0 15.0 Max. Tx E/S Power Density to Antenna (dBW/MHz) -7.1 -7.1 Tx E/S Antenna Gain (dB) 68.2 68.2 Tx E/S EIRP per Carrier (dBW) 80.0 80.0 Atmospheric and Other Losses (dB) 0.7 0.7 Free Space Loss (dB) 212.1 212.1 Satellite: G/T towards Tx E/S (dB/K) 17.3 17.3 EIRP per Carrier towards Rx E/S (dBW) 65.3 65.3 Downlink: Carrier Frequency (MHz) 17,748 17,748 Atmospheric and Other Losses (dB) 0.2 7.7 Free Space Loss (dB) 208.7 208.7 Rx E/S Antenna Diameter (m) 0.45 0.45 Rx E/S Antenna Gain (dB) 36.2 36.2 Pointing Error (dB) 0.5 0.5 Rx E/S G/T (dB/K) 13.2 9.9 System (LNA+Sky) Noise Temperature (K) 200 428 Total Link: Bandwidth (dB-Hz) 78.90 78.90 C/N - Thermal Uplink (dB) 34.2 34.2 C/N - Thermal Downlink (dB) 18.8 8.0 C/I - Aggregate uplink ASI (dB) 36.9 36.9 C/I - Aggregate downlink ASI (dB) 21.0 21.0 C/I - Other Link Degradations (dB) 22.0 22.0 C/(N+I) - Total, Actual (dB) 15.5 7.6 C/(N+I) - Total, Required (dB) 5.8 5.8 Excess Margin (dB) 9.7 1.8 Availability (%) N/A 99.99 Aggregate Interference Assessment: (C/N) - no ASI (dB) 17.0 7.8 Degradation due to aggregate ASI (dB) 1.5 0.2


Document Created: 2011-05-11 10:02:40
Document Modified: 2011-05-11 10:02:40
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