Attachment Schedule S DOC 4

This document pretains to SAT-LOA-20110902-00172 for Application to Launch and Operate on a Satellite Space Stations filing.

IBFS_SATLOA2011090200172_915189

EchoStar-16 DBS Spot Beam Link Budgets (8PSK) Link Parameters Bangor Raleigh Tampa Bay Detroit Nashville Houston Las Vegas Puerto Rico Mexico Bermuda Link Geometry: Tx E/S Range to Satellite (km) 39,130 37,644 38,159 38,159 37,644 37,989 40,187 39,023 39,130 40,187 Rx E/S Range to Satellite (km) 37,683 37,428 37,073 38,054 37,754 37,823 39,483 36,178 37,639 36,934 Uplink (per carrier): Carrier Frequency (MHz) 17,500 17,500 17,500 17,500 17,500 17,500 17,500 17,500 17,500 17,500 Tx E/S Antenna Diameter (m) 13.2 13.2 13.2 13.2 13.2 13.2 13.2 13.2 13.2 13.2 Tx E/S Power to Antenna (dBW) 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 Tx E/S Antenna Gain (dB) 65.8 65.8 65.8 65.8 65.8 65.8 65.8 65.8 65.8 65.8 Tx E/S EIRP per Carrier (dBW) 73.8 73.8 73.8 73.8 73.8 73.8 73.8 73.8 73.8 73.8 Atmospheric and Other Losses (dB) 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 Free Space Loss (dB) 209.2 208.8 208.9 208.9 208.8 208.9 209.4 209.1 209.2 209.4 Satellite: G/T towards Tx E/S (dB/K) 12.7 12.3 12.7 12.7 12.3 14.0 13.6 11.7 12.7 13.6 Peak EIRP (dBW) 55.1 59.4 59.5 58.1 60.4 61.1 58.0 57.8 56.7 54.9 EIRP towards Rx E/S (dBW) 54.9 58.8 58.8 56.1 60.2 61.0 57.2 57.6 55.9 54.7 Downlink (per carrier): Carrier Frequency (MHz) 12,500 12,500 12,500 12,500 12,500 12,500 12,500 12,500 12,500 12,500 Atmospheric Losses (dB) 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 Free Space Loss (dB) 205.9 205.8 205.8 206.0 205.9 205.9 206.3 205.5 205.9 205.7 Rain Attenuation (dB) 4.7 6.6 6.5 4.6 6.4 7.7 2.2 7.0 4.2 4.5 Rx E/S Antenna Diameter (m) 0.45 0.45 0.45 0.45 0.45 0.45 0.45 0.45 0.45 0.45 Antenna Mis-pointing Error (dB) 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 Rx E/S Antenna Gain (dB) 34.0 34.0 34.0 34.0 34.0 34.0 34.0 34.0 34.0 34.0 Rx E/S G/T (dB/K) 13.2 13.2 13.2 13.2 13.2 13.2 13.2 13.2 13.2 13.2 Noise Temperature - Clear Sky (K) 120 120 120 120 120 120 120 120 120 120 Noise Temperature - Rain (K) 309 341 340 305 339 355 236 347 297 304 Total Link: Noise Bandwidth (dB-Hz) 73.6 73.6 73.6 73.6 73.6 73.6 73.6 73.6 73.6 73.6 (C/N) - Thermal Uplink (dB) 32.0 32.0 32.3 32.3 32.0 33.6 32.7 31.1 32.0 32.7 (C/N) - Thermal Downlink - Clear Sky (dB) 16.8 20.7 20.8 17.9 22.1 22.8 18.7 19.8 17.8 16.8 (C/N) - Thermal Downlink - Rain Down (dB) 8.0 9.6 9.8 9.3 11.1 10.4 13.5 8.2 9.7 8.2 (C/I) - Adjacent Satellite Interference (dB) 25.6 29.5 29.6 26.7 30.9 31.6 27.5 28.6 26.6 25.5 (C/I) - Other Link Degradations (dB) 18.4 12.0 11.7 12.7 11.0 11.3 15.9 17.6 17.9 18.4 (C/N) - Clear Sky (dB) 14.1 11.4 11.1 11.4 10.6 10.9 13.8 15.2 14.5 14.1 (C/N) - Rain Down (dB) 7.5 7.6 7.6 7.6 8.0 7.8 11.4 7.7 9.0 7.7 (C/N) - Total Required (dB) 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 Downlink Margin - Clear Sky (dB) 6.6 3.9 3.6 3.9 3.1 3.4 6.3 7.7 7.0 6.6 Downlink Margin - Rain Down (dB) 0.0 0.1 0.1 0.1 0.5 0.3 3.9 0.2 1.5 0.2 Downlink Availability (%) 99.98 99.97 99.95 99.97 99.97 99.97 99.99 99.94 99.99 99.94


Document Created: 2011-09-07 09:03:42
Document Modified: 2011-09-07 09:03:42
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