Attachment Schedule S DOC 34

This document pretains to SAT-LOA-20100310-00043 for Application to Launch and Operate on a Satellite Space Stations filing.

IBFS_SATLOA2010031000043_806043

ECHOSTAR-15 Link Budgets Super High Power Mode 1 2 3 4 5 6 Link Parameters 13 meter Feeder Link E/S 13 meter Feeder Link E/S 13 meter Feeder Link E/S 13 meter Feeder Link E/S 13 meter Feeder Link E/S 13 meter Feeder Link E/S Nominal Feeder Link Site Nominal Feeder Link Site Nominal Feeder Link Site Nominal Feeder Link Site Nominal Feeder Link Site Nominal Feeder Link Site to to to to to to 45 cm Receive-Only 45 cm Receive-Only 45 cm Receive-Only 45 cm Receive-Only 45 cm Receive-Only 75 cm Receive-Only Modulation Parameters: Information Bit Rate per Carrier (kbps) 32,255 32,255 32,255 32,255 32,255 32,255 FEC Rate 7/8 7/8 7/8 7/8 7/8 7/8 Reed-Solomon Ratio (188/204, None) 188/204 188/204 188/204 188/204 188/204 188/204 Overall Coding Overhead (%) 24.0% 24.0% 24.0% 24.0% 24.0% 24.0% Modulation Type (BPSK/QPSK/8PSK/16QAM) QPSK QPSK QPSK QPSK QPSK QPSK Filter Roll-off Factor ("alpha") (%) 20 20 20 20 20 20 Link Geometry: Satellite Longitude (°East) -61.5 -61.5 -61.5 -61.5 -61.5 -61.5 Tx E/S City Location (name) Cheyenne Cheyenne Cheyenne Cheyenne Cheyenne Cheyenne Tx E/S Longitude (°East) -104.7 -104.7 -104.7 -104.7 -104.7 -104.7 Tx E/S Latitude (°North) 41.1 41.1 41.1 41.1 41.1 41.1 Tx E/S Range to Satellite (Km) 39,030 39,030 39,030 39,030 39,030 39,030 Tx E/S Elevation to Satellite (°) 25.4 25.4 25.4 25.4 25.4 25.4 Tx E/S Altitude (m) 1876.0 1876.0 1876.0 1876.0 1876.0 1876.0 Rx E/S City Location (name) Miami New York Los Angeles Houston Denver San Juan Rx E/S Longitude (°East) -80.3 -74.0 -118.2 -95.3 -105.0 -66.1 Rx E/S Latitude (°North) 25.9 40.8 34.0 29.8 39.8 18.4 Rx E/S Range to Satellite (km) 36,881 37,692 39,667 37,828 38,968 36,193 Rx E/S Elevation to Satellite (°) 53.2 41.2 18.9 39.4 26.1 67.7 Rx E/S Altitude (m) 1.0 15.0 33.0 10.0 1631.0 74.0 Uplink (per carrier): Carrier Frequency (MHz) 17,550 17,550 17,550 17,550 17,550 17,550 HPA Power Level (to give required PFD at satellite) (W) 37.8 37.8 37.8 37.8 37.8 37.8 HPA Power in dBW (dBW) 15.8 15.8 15.8 15.8 15.8 15.8 Post-HPA Losses (dB) 2.0 2.0 2.0 2.0 2.0 2.0 Tx E/S Power to Antenna in dBW (dBW) 13.8 13.8 13.8 13.8 13.8 13.8 Tx E/S Antenna Diameter (m) 13.0 13.0 13.0 13.0 13.0 13.0 Antenna Efficiency (%) 65 65 65 65 65 65 Tx E/S Antenna Gain (dB) 65.7 65.7 65.7 65.7 65.7 65.7 Tx E/S EIRP (dBW) 79.5 79.5 79.5 79.5 79.5 79.5 E/S Pointing Loss (dB) 0.1 0.1 0.1 0.1 0.1 0.1 Atmospheric Loss (dB) 0.44 0.44 0.44 0.44 0.44 0.44 Availability up (%) 99.9 99.9 99.9 99.9 99.9 99.9 Rain attenuation (dB) 3.9 3.9 3.9 3.9 3.9 3.9 Free Space Loss (dB) 209.2 209.2 209.2 209.2 209.2 209.2 Satellite: Resulting PFD at Satellite (dBW/m2) -87.8 -87.8 -87.8 -87.8 -87.8 -87.8 Transponder Gain Setting (dB) 10 10 10 10 10 10 G/T towards Tx E/S (dB/K) 6.0 6.0 6.0 6.0 6.0 6.0 EIRP towards Rx E/S (dBW) 56.0 53.0 54.0 55.0 53.0 50.0 Downlink: Carrier Frequency (MHz) 12,450 12,450 12,450 12,450 12,450 12,450 Atmospheric Loss (dB) 0.09 0.11 0.23 0.12 0.14 0.08 Availability down (%) 99.9 99.9 99.9 99.8 99.9 99.8 Rain attenuation (dB) 5.58 2.90 1.92 3.34 2.62 3.97 E/S Pointing Loss (dB) 0.5 0.5 0.5 0.5 0.5 0.5 Free Space Loss (dB) 205.7 205.9 206.3 205.9 206.2 205.5 Rx E/S Antenna Diameter (m) 0.45 0.45 0.45 0.45 0.45 0.75 Rx E/S Antenna Gain (dB) 34.0 34.0 34.0 34.0 34.0 38.4 Rx E/S G/T (dB/K) 13.2 13.2 13.2 13.2 13.2 17.6 System (LNA+Sky) Noise Temp. (K) 120 120 120 120 120 120 Increase in Noise Temp due to rain (K) 209 144 115 158 136 173 Total Link: Carrier Noise Bandwidth (kHz) 24,000 24,000 24,000 24,000 24,000 24,000 (C/N) - Thermal Uplink (dB) 30.6 30.6 30.6 30.6 30.6 30.6 (C/N) - Thermal Downlink - CLEAR SKY (dB) 17.7 14.5 15.0 16.5 14.2 16.3 (C/N) - Thermal Downlink - RAIN DOWN (dB) 7.8 8.2 10.1 9.5 8.3 8.5 (C/I) - Other Link Degradations (dB) 20.0 20.0 20.0 20.0 20.0 20.0 (C/N) - Total Actual - CLEAR SKY (dB) 15.6 13.4 13.7 14.8 13.1 14.7 (C/N) - Total Actual - RAIN DOWN (dB) 7.5 7.9 9.7 9.1 8.0 8.2 (C/N) - Total Required (dB) 7.5 7.5 7.5 7.5 7.5 7.5 Excess Margin - CLEAR SKY (dB) 8.1 5.9 6.2 7.3 5.6 7.2 Excess Margin - RAIN DOWN (dB) 0.0 0.4 2.2 1.6 0.5 0.7

ECHOSTAR-15 Link Budgets High Power Mode 1 2 3 4 5 6 Link Parameters 13 meter Feeder Link E/S 13 meter Feeder Link E/S 13 meter Feeder Link E/S 13 meter Feeder Link E/S 13 meter Feeder Link E/S 13 meter Feeder Link E/S Nominal Feeder Link Site Nominal Feeder Link Site Nominal Feeder Link Site Nominal Feeder Link Site Nominal Feeder Link Site Nominal Feeder Link Site to to to to to to 45 cm Receive-Only 45 cm Receive-Only 45 cm Receive-Only 45 cm Receive-Only 45 cm Receive-Only 75 cm Receive-Only Modulation Parameters: Information Bit Rate per Carrier (kbps) 32,255 32,255 32,255 32,255 32,255 32,255 FEC Rate 7/8 7/8 7/8 7/8 7/8 7/8 Reed-Solomon Ratio (188/204, None) 188/204 188/204 188/204 188/204 188/204 188/204 Overall Coding Overhead (%) 24.0% 24.0% 24.0% 24.0% 24.0% 24.0% Modulation Type (BPSK/QPSK/8PSK/16QAM) QPSK QPSK QPSK QPSK QPSK QPSK Filter Roll-off Factor ("alpha") (%) 20 20 20 20 20 20 Link Geometry: Satellite Longitude (°East) -61.5 -61.5 -61.5 -61.5 -61.5 -61.5 Tx E/S City Location (name) Cheyenne Cheyenne Cheyenne Cheyenne Cheyenne Cheyenne Tx E/S Longitude (°East) -104.7 -104.7 -104.7 -104.7 -104.7 -104.7 Tx E/S Latitude (°North) 41.1 41.1 41.1 41.1 41.1 41.1 Tx E/S Range to Satellite (Km) 39,030 39,030 39,030 39,030 39,030 39,030 Tx E/S Elevation to Satellite (°) 25.4 25.4 25.4 25.4 25.4 25.4 Tx E/S Altitude (m) 1876.0 1876.0 1876.0 1876.0 1876.0 1876.0 Rx E/S City Location (name) Miami New York Los Angeles Houston Denver San Juan Rx E/S Longitude (°East) -80.3 -74.0 -118.2 -95.3 -105.0 -66.1 Rx E/S Latitude (°North) 25.9 40.8 34.0 29.8 39.8 18.4 Rx E/S Range to Satellite (km) 36,881 37,692 39,667 37,828 38,968 36,193 Rx E/S Elevation to Satellite (°) 53.2 41.2 18.9 39.4 26.1 67.7 Rx E/S Altitude (m) 1.0 15.0 33.0 10.0 1631.0 74.0 Uplink (per carrier): Carrier Frequency (MHz) 17,550 17,550 17,550 17,550 17,550 17,550 HPA Power Level (to give required PFD at satellite) (W) 37.8 37.8 37.8 37.8 37.8 37.8 HPA Power in dBW (dBW) 15.8 15.8 15.8 15.8 15.8 15.8 Post-HPA Losses (dB) 2.0 2.0 2.0 2.0 2.0 2.0 Tx E/S Power to Antenna in dBW (dBW) 13.8 13.8 13.8 13.8 13.8 13.8 Tx E/S Antenna Diameter (m) 13.0 13.0 13.0 13.0 13.0 13.0 Antenna Efficiency (%) 65 65 65 65 65 65 Tx E/S Antenna Gain (dB) 65.7 65.7 65.7 65.7 65.7 65.7 Tx E/S EIRP (dBW) 79.5 79.5 79.5 79.5 79.5 79.5 E/S Pointing Loss (dB) 0.1 0.1 0.1 0.1 0.1 0.1 Atmospheric Loss (dB) 0.44 0.44 0.44 0.44 0.44 0.44 Availability up (%) 99.9 99.9 99.9 99.9 99.9 99.9 Rain attenuation (dB) 3.9 3.9 3.9 3.9 3.9 3.9 Free Space Loss (dB) 209.2 209.2 209.2 209.2 209.2 209.2 Satellite: Resulting PFD at Satellite (dBW/m2) -87.8 -87.8 -87.8 -87.8 -87.8 -87.8 Transponder Gain Setting (dB) 10 10 10 10 10 10 G/T towards Tx E/S (dB/K) 6.0 6.0 6.0 6.0 6.0 6.0 EIRP towards Rx E/S (dBW) 54.3 51.3 52.3 53.3 51.3 48.3 Downlink: Carrier Frequency (MHz) 12,450 12,450 12,450 12,450 12,450 12,450 Atmospheric Loss (dB) 0.09 0.11 0.23 0.12 0.14 0.08 Availability down (%) 99.8 99.8 99.9 99.8 99.8 99.7 Rain attenuation (dB) 3.90 2.02 1.92 3.34 1.78 3.12 E/S Pointing Loss (dB) 0.5 0.5 0.5 0.5 0.5 0.5 Free Space Loss (dB) 205.7 205.9 206.3 205.9 206.2 205.5 Rx E/S Antenna Diameter (m) 0.45 0.45 0.45 0.45 0.45 0.75 Rx E/S Antenna Gain (dB) 34.0 34.0 34.0 34.0 34.0 38.4 Rx E/S G/T (dB/K) 13.2 13.2 13.2 13.2 13.2 17.6 System (LNA+Sky) Noise Temp. (K) 120 120 120 120 120 120 Increase in Noise Temp due to rain (K) 172 111 115 158 103 149 Total Link: Carrier Noise Bandwidth (kHz) 24,000 24,000 24,000 24,000 24,000 24,000 (C/N) - Thermal Uplink (dB) 30.6 30.6 30.6 30.6 30.6 30.6 (C/N) - Thermal Downlink - CLEAR SKY (dB) 16.0 12.8 13.3 14.8 12.5 14.6 (C/N) - Thermal Downlink - RAIN DOWN (dB) 8.3 7.9 8.4 7.8 8.0 8.0 (C/I) - Other Link Degradations (dB) 20.0 20.0 20.0 20.0 20.0 20.0 (C/N) - Total Actual - CLEAR SKY (dB) 14.5 12.0 12.4 13.6 11.7 13.4 (C/N) - Total Actual - RAIN DOWN (dB) 8.0 7.7 8.1 7.5 7.7 7.7 (C/N) - Total Required (dB) 7.5 7.5 7.5 7.5 7.5 7.5 Excess Margin - CLEAR SKY (dB) 7.0 4.5 4.9 6.1 4.2 5.9 Excess Margin - RAIN DOWN (dB) 0.5 0.2 0.6 0.0 0.2 0.2


Document Created: 2010-03-17 10:31:27
Document Modified: 2010-03-17 10:31:27
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