Attachment EXHIBIT H

This document pretains to SES-MFS-20100108-00025 for Modification w/ Foreign Satellite (earth station) on a Satellite Earth Station filing.

IBFS_SESMFS2010010800025_793543

NewCom International Application to Add Express AM44 to Call Sign E040267 Exhibit H EXHIBIT H - LINK BUDGETS

Международная организация космической связи Organisation Internationale des Telecommunications Spatiales Organizacion Internacional de Telecomunicaciones Cosmicas INTERSPUTNIK 2nd Smolensky per., 1/4, 121099, Moscow, Russia INTERNATIONAL ORGANIZATION tel.: +7 (495) 244 0333, fax: +7 (499) 241 0784 OF SPACE COMMUNICATIONS e-mail: dir@intersputnik.com www.intersputnik.com For technical issues: tel./fax: +7 (499) 241 45 90 e-mail: technical@intersputnik.com LINK BUDGET CALCULATION Satellite Transponder Channel parameters Name 15 Data bitrate 50 kb/s Maximum G/T 3.5 dBi/K FEC 0.7500 (factor) Name Express-AM44 Maximum (saturated) EIRP 47.0 dBW Turbo (lookup name) Coding Output backoff (OBO) 4.0 dB 1 (factor) Input backoff (IBO) 6.0 dB Transmitted bitrate 67 kb/s Saturation flux density (SFD) -98.3 dBW/m2 QPSK (lookup name) Modulation Bandwidth 40 MHz 2 (factor) Central uplink frequency 6350 MHz Required Eb/N0 4.0 dB Nominal longitude -11 degrees East Uplink polarization C H/V/C System margin 1.00 dB Central downlink frequency 4025 MHz Required C/N0 52.0 dB*Hz Downlink polarization C H/V/C Required C/N 6.8 dB Central intermediate frequency 70 MHz Required total availability 99.70 % Station keeping accuracy 0.05 degrees Carrier to intermodulation products 20 dB 1 + Roll-off factor 1.35 (factor) interference ratio Carrier to cross-polarization 30 dB Noise bandwidth 33 kHz interference ratio Occupied bandwidth 45 kHz Carrier intermediate frequency 0.000 MHz Number of identical carriers of this 1 (factor) type Clear sky uplink Carrier transmission frequency 6280.000 MHz Earth Station "A" Earth Station "B" Wavelength 0.048 m Name Miami Name Abuja2 ES EIRP 43.5 dBW Longitude -80.18 degrees East Longitude 7.2 degrees East Mispointing loss 0.15 dB Latitude 25.77 degrees North Latitude 9.2 degrees North Free space loss 200.6 dB Altitude 0 km Altitude 0 km Atmospheric loss 0.3 dB Elevation 10.1 degrees Elevation 66.2 degrees Power flux density at satellite -120.1 dB(W/m2) Azimuth 99.4 degrees East Azimuth 244.1 degrees East Carrier to noise spectral density ratio 59.9 dB*Hz Distance to satellite 40577 km Distance to satellite 36258 km (C/N0) 9.7E+05 (factor) Carrier to interference from adjacent G/T contour 14.7 dB EIRP contour 8.2 dB 30.000 dB satellites ratio (C/I) Antenna diameter 7.3 m Antenna diameter 2.4 m Carrier to interference from adjacent 75.2 dB satellites spectral density ratio (C/I0) Tx antenna efficiency 60 % Rx antenna efficiency 65 % 3.3E+07 (factor) Tx gain 51.4 dB Rx gain 38.1 dB Carrier to noise and interference 59.7 dB*Hz spectral density ratio (C/(N0+I0)) Tx WG attenuation 1.5 dB Rx WG attenuation 0.2 dB 9.4E+05 (factor) Tx mispointing loss 0.15 dB Rx mispointing loss 0.01 dB Carrier to noise ratio (C/N+I) 14.5 dB 0.23 W Antenna noise temperature 20 K Clear sky downlink HPA power -6.5 dBW Rx WG noise temperature 13 K Carrier transmission frequency 3955.000 MHz Uplink power control range 0.00 dB LNA noise temperature 45 K Wavelength 0.076 m Total Rx system noise temperature 78 K Satellite EIRP 12.4 dBW (clear sky) Total Rx system noise temperature 18.9 dB(K) Mispointing loss 0.01 dB (clear sky) G/T (clear sky) 18.9 dBi/K Free space loss 195.6 dB Atmospheric loss 0.0 dB Total Rx system noise temperature 78 K Noise spectral density (N0) -209.7 dBW/Hz Carrier level at ES receiver input -153.5 dBW Carrier to noise spectral density ratio 56.2 dB*Hz (C/N0) 4.1E+05 (factor) Carrier to interference from adjacent 30.000 dB satellites ratio (C/I) 75.2 dB Carrier to interference from adjacent satellites spectral density ratio (C/I0) 3.3E+07 (factor) Carrier to noise and interference 56.1 dB*Hz spectral density ratio (C/(N0+I0)) 4.1E+05 (factor) Carrier to noise ratio (C/N+I) 10.9 dB Clear sky total link Carrier to noise and interference spectral density ratio (C/(N0+I0)), 54.2 dB*Hz total Bit energy to noise and interference spectral density ratio (Eb/(N0+I0)), 7.2 dB total Carrier to noise ratio (C/N+I) 8.9 dB Clear sky margin 2.17 dB Capacity utilization Availability Total occupied bandwidth 45 kHz Uplink availability 99.70 % Total EIRP utilized 12.4 dBW Downlink precipitation fade 0.6 dB Rx system noise temperature Power-equivalent BW 35 kHz 33.9 K increase due to precipitation Rx system G/T degradation due to Bandwidth utilization 0.11 % precipitation 1.6 dB Power utilization 0.09 % Rx system G/T (w/precipitation) 17.4 dBi/K Downlink availability 100.00 % Allocated capacity 0.045 MHz Total availability 99.70 %

Международная организация космической связи Organisation Internationale des Telecommunications Spatiales Organizacion Internacional de Telecomunicaciones Cosmicas INTERSPUTNIK 2nd Smolensky per., 1/4, 121099, Moscow, Russia INTERNATIONAL ORGANIZATION tel.: +7 (495) 244 0333, fax: +7 (499) 241 0784 OF SPACE COMMUNICATIONS e-mail: dir@intersputnik.com www.intersputnik.com For technical issues: tel./fax: +7 (499) 241 45 90 e-mail: technical@intersputnik.com LINK BUDGET CALCULATION Satellite Transponder Channel parameters Name 11G Data bitrate 50 kb/s Maximum G/T -7.0 dBi/K FEC 0.7500 (factor) Name Express-AM44 Maximum (saturated) EIRP 39.0 dBW Turbo (lookup name) Coding Output backoff (OBO) 4.4 dB 1 (factor) Input backoff (IBO) 7.0 dB Transmitted bitrate 67 kb/s Saturation flux density (SFD) -87.5 dBW/m2 QPSK (lookup name) Modulation Bandwidth 40 MHz 2 (factor) Central uplink frequency 6250 MHz Required Eb/N0 4.0 dB Nominal longitude -11 degrees East Uplink polarization C H/V/C System margin 1.00 dB Central downlink frequency 3925 MHz Required C/N0 52.0 dB*Hz Downlink polarization C H/V/C Required C/N 6.8 dB Central intermediate frequency 70 MHz Required total availability 99.70 % Station keeping accuracy 0.05 degrees Carrier to intermodulation products 18 dB 1 + Roll-off factor 1.35 (factor) interference ratio Carrier to cross-polarization 30 dB Noise bandwidth 33 kHz interference ratio Occupied bandwidth 45 kHz Carrier intermediate frequency 0.000 MHz Number of identical carriers of this 1 (factor) type Clear sky uplink Carrier transmission frequency 6180.000 MHz Earth Station "A" Earth Station "B" Wavelength 0.049 m Name Miami Name Abuja2 ES EIRP 42.4 dBW Longitude -80.18 degrees East Longitude 7.2 degrees East Mispointing loss 0.15 dB Latitude 25.77 degrees North Latitude 9.2 degrees North Free space loss 200.4 dB Altitude 0 km Altitude 0 km Atmospheric loss 0.3 dB Elevation 10.1 degrees Elevation 66.2 degrees Power flux density at satellite -121.2 dB(W/m2) Azimuth 99.4 degrees East Azimuth 244.1 degrees East Carrier to noise spectral density ratio 60.2 dB*Hz Distance to satellite 40577 km Distance to satellite 36258 km (C/N0) 1.0E+06 (factor) Carrier to interference from adjacent G/T contour 3.0 dB EIRP contour 0.7 dB 30.000 dB satellites ratio (C/I) Antenna diameter 7.3 m Antenna diameter 2.4 m Carrier to interference from adjacent 75.2 dB satellites spectral density ratio (C/I0) Tx antenna efficiency 60 % Rx antenna efficiency 65 % 3.3E+07 (factor) Tx gain 51.3 dB Rx gain 37.9 dB Carrier to noise and interference 60.0 dB*Hz spectral density ratio (C/(N0+I0)) Tx WG attenuation 1.5 dB Rx WG attenuation 0.2 dB 1.0E+06 (factor) Tx mispointing loss 0.15 dB Rx mispointing loss 0.01 dB Carrier to noise ratio (C/N+I) 14.8 dB 0.18 W Antenna noise temperature 20 K Clear sky downlink HPA power -7.4 dBW Rx WG noise temperature 13 K Carrier transmission frequency 3855.000 MHz Uplink power control range 0.00 dB LNA noise temperature 45 K Wavelength 0.078 m Total Rx system noise temperature 78 K Satellite EIRP 5.0 dBW (clear sky) Total Rx system noise temperature 18.9 dB(K) Mispointing loss 0.01 dB (clear sky) G/T (clear sky) 18.7 dBi/K Free space loss 195.4 dB Atmospheric loss 0.0 dB Total Rx system noise temperature 78 K Noise spectral density (N0) -209.7 dBW/Hz Carrier level at ES receiver input -153.5 dBW Carrier to noise spectral density ratio 56.2 dB*Hz (C/N0) 4.1E+05 (factor) Carrier to interference from adjacent 30.000 dB satellites ratio (C/I) 75.2 dB Carrier to interference from adjacent satellites spectral density ratio (C/I0) 3.3E+07 (factor) Carrier to noise and interference 56.1 dB*Hz spectral density ratio (C/(N0+I0)) 4.1E+05 (factor) Carrier to noise ratio (C/N+I) 10.9 dB Clear sky total link Carrier to noise and interference spectral density ratio (C/(N0+I0)), 54.0 dB*Hz total Bit energy to noise and interference spectral density ratio (Eb/(N0+I0)), 7.1 dB total Carrier to noise ratio (C/N+I) 8.8 dB Clear sky margin 2.05 dB Capacity utilization Availability Total occupied bandwidth 45 kHz Uplink availability 99.70 % Total EIRP utilized 5.0 dBW Downlink precipitation fade 0.6 dB Rx system noise temperature Power-equivalent BW 43 kHz 31.9 K increase due to precipitation Rx system G/T degradation due to Bandwidth utilization 0.11 % precipitation 1.5 dB Power utilization 0.11 % Rx system G/T (w/precipitation) 17.2 dBi/K Downlink availability 100.00 % Allocated capacity 0.045 MHz Total availability 99.70 %

Международная организация космической связи Organisation Internationale des Telecommunications Spatiales Organizacion Internacional de Telecomunicaciones Cosmicas INTERSPUTNIK 2nd Smolensky per., 1/4, 121099, Moscow, Russia INTERNATIONAL ORGANIZATION tel.: +7 (495) 244 0333, fax: +7 (499) 241 0784 OF SPACE COMMUNICATIONS e-mail: dir@intersputnik.com www.intersputnik.com For technical issues: tel./fax: +7 (499) 241 45 90 e-mail: technical@intersputnik.com LINK BUDGET CALCULATION Satellite Transponder Channel parameters Name 15 Data bitrate 142 kb/s Maximum G/T 3.5 dBi/K FEC 0.7500 (factor) Name Express-AM44 Maximum (saturated) EIRP 47.0 dBW Turbo (lookup name) Coding Output backoff (OBO) 4.0 dB 1 (factor) Input backoff (IBO) 6.0 dB Transmitted bitrate 189 kb/s Saturation flux density (SFD) -98.3 dBW/m2 QPSK (lookup name) Modulation Bandwidth 40 MHz 2 (factor) Central uplink frequency 6350 MHz Required Eb/N0 4.0 dB Nominal longitude -11 degrees East Uplink polarization C H/V/C System margin 1.00 dB Central downlink frequency 4025 MHz Required C/N0 56.5 dB*Hz Downlink polarization C H/V/C Required C/N 6.8 dB Central intermediate frequency 70 MHz Required total availability 99.70 % Station keeping accuracy 0.05 degrees Carrier to intermodulation products 20 dB 1 + Roll-off factor 1.35 (factor) interference ratio Carrier to cross-polarization 30 dB Noise bandwidth 95 kHz interference ratio Occupied bandwidth 128 kHz Carrier intermediate frequency 0.000 MHz Number of identical carriers of this 1 (factor) type Clear sky uplink Carrier transmission frequency 6280.000 MHz Earth Station "A" Earth Station "B" Wavelength 0.048 m Name Miami Name Abuja2 ES EIRP 48.0 dBW Longitude -80.18 degrees East Longitude 7.2 degrees East Mispointing loss 0.15 dB Latitude 25.77 degrees North Latitude 9.2 degrees North Free space loss 200.6 dB Altitude 0 km Altitude 0 km Atmospheric loss 0.3 dB Elevation 10.1 degrees Elevation 66.2 degrees Power flux density at satellite -115.6 dB(W/m2) Azimuth 99.4 degrees East Azimuth 244.1 degrees East Carrier to noise spectral density ratio 64.4 dB*Hz Distance to satellite 40577 km Distance to satellite 36258 km (C/N0) 2.8E+06 (factor) Carrier to interference from adjacent G/T contour 14.7 dB EIRP contour 8.2 dB 30.000 dB satellites ratio (C/I) Antenna diameter 7.3 m Antenna diameter 2.4 m Carrier to interference from adjacent 79.8 dB satellites spectral density ratio (C/I0) Tx antenna efficiency 60 % Rx antenna efficiency 65 % 9.5E+07 (factor) Tx gain 51.4 dB Rx gain 38.1 dB Carrier to noise and interference 64.3 dB*Hz spectral density ratio (C/(N0+I0)) Tx WG attenuation 1.5 dB Rx WG attenuation 0.2 dB 2.7E+06 (factor) Tx mispointing loss 0.15 dB Rx mispointing loss 0.01 dB Carrier to noise ratio (C/N+I) 14.5 dB 0.64 W Antenna noise temperature 20 K Clear sky downlink HPA power -1.9 dBW Rx WG noise temperature 13 K Carrier transmission frequency 3955.000 MHz Uplink power control range 0.00 dB LNA noise temperature 45 K Wavelength 0.076 m Total Rx system noise temperature 78 K Satellite EIRP 17.0 dBW (clear sky) Total Rx system noise temperature 18.9 dB(K) Mispointing loss 0.01 dB (clear sky) G/T (clear sky) 18.9 dBi/K Free space loss 195.6 dB Atmospheric loss 0.0 dB Total Rx system noise temperature 78 K Noise spectral density (N0) -209.7 dBW/Hz Carrier level at ES receiver input -149.0 dBW Carrier to noise spectral density ratio 60.7 dB*Hz (C/N0) 1.2E+06 (factor) Carrier to interference from adjacent 30.000 dB satellites ratio (C/I) 79.8 dB Carrier to interference from adjacent satellites spectral density ratio (C/I0) 9.5E+07 (factor) Carrier to noise and interference 60.6 dB*Hz spectral density ratio (C/(N0+I0)) 1.2E+06 (factor) Carrier to noise ratio (C/N+I) 10.9 dB Clear sky total link Carrier to noise and interference spectral density ratio (C/(N0+I0)), 58.7 dB*Hz total Bit energy to noise and interference spectral density ratio (Eb/(N0+I0)), 7.2 dB total Carrier to noise ratio (C/N+I) 8.9 dB Clear sky margin 2.17 dB Capacity utilization Availability Total occupied bandwidth 128 kHz Uplink availability 99.70 % Total EIRP utilized 17.0 dBW Downlink precipitation fade 0.6 dB Rx system noise temperature Power-equivalent BW 100 kHz 34.0 K increase due to precipitation Rx system G/T degradation due to Bandwidth utilization 0.32 % precipitation 1.6 dB Power utilization 0.25 % Rx system G/T (w/precipitation) 17.4 dBi/K Downlink availability 100.00 % Allocated capacity 0.128 MHz Total availability 99.70 %

Международная организация космической связи Organisation Internationale des Telecommunications Spatiales Organizacion Internacional de Telecomunicaciones Cosmicas INTERSPUTNIK 2nd Smolensky per., 1/4, 121099, Moscow, Russia INTERNATIONAL ORGANIZATION tel.: +7 (495) 244 0333, fax: +7 (499) 241 0784 OF SPACE COMMUNICATIONS e-mail: dir@intersputnik.com www.intersputnik.com For technical issues: tel./fax: +7 (499) 241 45 90 e-mail: technical@intersputnik.com LINK BUDGET CALCULATION Satellite Transponder Channel parameters Name 11G Data bitrate 142 kb/s Maximum G/T -7.0 dBi/K FEC 0.7500 (factor) Name Express-AM44 Maximum (saturated) EIRP 39.0 dBW Turbo (lookup name) Coding Output backoff (OBO) 4.4 dB 1 (factor) Input backoff (IBO) 7.0 dB Transmitted bitrate 189 kb/s Saturation flux density (SFD) -87.5 dBW/m2 QPSK (lookup name) Modulation Bandwidth 40 MHz 2 (factor) Central uplink frequency 6250 MHz Required Eb/N0 4.0 dB Nominal longitude -11 degrees East Uplink polarization C H/V/C System margin 1.00 dB Central downlink frequency 3925 MHz Required C/N0 56.5 dB*Hz Downlink polarization C H/V/C Required C/N 6.8 dB Central intermediate frequency 70 MHz Required total availability 99.70 % Station keeping accuracy 0.05 degrees Carrier to intermodulation products 18 dB 1 + Roll-off factor 1.35 (factor) interference ratio Carrier to cross-polarization 30 dB Noise bandwidth 95 kHz interference ratio Occupied bandwidth 128 kHz Carrier intermediate frequency 0.000 MHz Number of identical carriers of this 1 (factor) type Clear sky uplink Carrier transmission frequency 6180.000 MHz Earth Station "A" Earth Station "B" Wavelength 0.049 m Name Miami Name Abuja2 ES EIRP 46.9 dBW Longitude -80.18 degrees East Longitude 7.2 degrees East Mispointing loss 0.15 dB Latitude 25.77 degrees North Latitude 9.2 degrees North Free space loss 200.4 dB Altitude 0 km Altitude 0 km Atmospheric loss 0.3 dB Elevation 10.1 degrees Elevation 66.2 degrees Power flux density at satellite -116.6 dB(W/m2) Azimuth 99.4 degrees East Azimuth 244.1 degrees East Carrier to noise spectral density ratio 64.7 dB*Hz Distance to satellite 40577 km Distance to satellite 36258 km (C/N0) 3.0E+06 (factor) Carrier to interference from adjacent G/T contour 3.0 dB EIRP contour 0.7 dB 30.000 dB satellites ratio (C/I) Antenna diameter 7.3 m Antenna diameter 2.4 m Carrier to interference from adjacent 79.8 dB satellites spectral density ratio (C/I0) Tx antenna efficiency 60 % Rx antenna efficiency 65 % 9.5E+07 (factor) Tx gain 51.3 dB Rx gain 37.9 dB Carrier to noise and interference 64.6 dB*Hz spectral density ratio (C/(N0+I0)) Tx WG attenuation 1.5 dB Rx WG attenuation 0.2 dB 2.9E+06 (factor) Tx mispointing loss 0.15 dB Rx mispointing loss 0.01 dB Carrier to noise ratio (C/N+I) 14.8 dB 0.52 W Antenna noise temperature 20 K Clear sky downlink HPA power -2.8 dBW Rx WG noise temperature 13 K Carrier transmission frequency 3855.000 MHz Uplink power control range 0.00 dB LNA noise temperature 45 K Wavelength 0.078 m Total Rx system noise temperature 78 K Satellite EIRP 9.5 dBW (clear sky) Total Rx system noise temperature 18.9 dB(K) Mispointing loss 0.01 dB (clear sky) G/T (clear sky) 18.7 dBi/K Free space loss 195.4 dB Atmospheric loss 0.0 dB Total Rx system noise temperature 78 K Noise spectral density (N0) -209.7 dBW/Hz Carrier level at ES receiver input -148.9 dBW Carrier to noise spectral density ratio 60.7 dB*Hz (C/N0) 1.2E+06 (factor) Carrier to interference from adjacent 30.000 dB satellites ratio (C/I) 79.8 dB Carrier to interference from adjacent satellites spectral density ratio (C/I0) 9.5E+07 (factor) Carrier to noise and interference 60.7 dB*Hz spectral density ratio (C/(N0+I0)) 1.2E+06 (factor) Carrier to noise ratio (C/N+I) 10.9 dB Clear sky total link Carrier to noise and interference spectral density ratio (C/(N0+I0)), 58.6 dB*Hz total Bit energy to noise and interference spectral density ratio (Eb/(N0+I0)), 7.1 dB total Carrier to noise ratio (C/N+I) 8.8 dB Clear sky margin 2.05 dB Capacity utilization Availability Total occupied bandwidth 128 kHz Uplink availability 99.70 % Total EIRP utilized 9.5 dBW Downlink precipitation fade 0.6 dB Rx system noise temperature Power-equivalent BW 123 kHz 32.0 K increase due to precipitation Rx system G/T degradation due to Bandwidth utilization 0.32 % precipitation 1.5 dB Power utilization 0.31 % Rx system G/T (w/precipitation) 17.2 dBi/K Downlink availability 100.00 % Allocated capacity 0.128 MHz Total availability 99.70 %

Международная организация космической связи Organisation Internationale des Telecommunications Spatiales Organizacion Internacional de Telecomunicaciones Cosmicas INTERSPUTNIK 2nd Smolensky per., 1/4, 121099, Moscow, Russia INTERNATIONAL ORGANIZATION tel.: +7 (495) 244 0333, fax: +7 (499) 241 0784 OF SPACE COMMUNICATIONS e-mail: dir@intersputnik.com www.intersputnik.com For technical issues: tel./fax: +7 (499) 241 45 90 e-mail: technical@intersputnik.com LINK BUDGET CALCULATION Satellite Transponder Channel parameters Name 15 Data bitrate 50000 kb/s Maximum G/T 3.5 dBi/K FEC 0.7500 (factor) Name Express-AM44 Maximum (saturated) EIRP 47.0 dBW Turbo (lookup name) Coding Output backoff (OBO) 0.5 dB 1 (factor) Input backoff (IBO) 1.0 dB Transmitted bitrate 66667 kb/s Saturation flux density (SFD) -100.0 dBW/m2 QPSK (lookup name) Modulation Bandwidth 40 MHz 2 (factor) Central uplink frequency 6350 MHz Required Eb/N0 4.0 dB Nominal longitude -11 degrees East Uplink polarization C H/V/C System margin 1.00 dB Central downlink frequency 4025 MHz Required C/N0 82.0 dB*Hz Downlink polarization C H/V/C Required C/N 6.8 dB Central intermediate frequency 70 MHz Required total availability 99.70 % Station keeping accuracy 0.05 degrees Carrier to intermodulation products 20 dB 1 + Roll-off factor 1.20 (factor) interference ratio Carrier to cross-polarization 30 dB Noise bandwidth 33333 kHz interference ratio Occupied bandwidth 40000 kHz Carrier intermediate frequency 0.000 MHz Number of identical carriers of this 1 (factor) type Clear sky uplink Carrier transmission frequency 6280.000 MHz Earth Station "A" Earth Station "B" Wavelength 0.048 m Name Miami Name Abuja2 ES EIRP 73.3 dBW Longitude -80.18 degrees East Longitude 7.2 degrees East Mispointing loss 0.15 dB Latitude 25.77 degrees North Latitude 9.2 degrees North Free space loss 200.6 dB Altitude 0 km Altitude 0 km Atmospheric loss 0.3 dB Elevation 10.1 degrees Elevation 66.2 degrees Power flux density at satellite -90.3 dB(W/m2) Azimuth 99.4 degrees East Azimuth 244.1 degrees East Carrier to noise spectral density ratio 89.7 dB*Hz Distance to satellite 40577 km Distance to satellite 36258 km (C/N0) 9.3E+08 (factor) Carrier to interference from adjacent G/T contour 14.7 dB EIRP contour 8.2 dB 30.000 dB satellites ratio (C/I) Antenna diameter 7.3 m Antenna diameter 2.4 m Carrier to interference from adjacent 105.2 dB satellites spectral density ratio (C/I0) Tx antenna efficiency 60 % Rx antenna efficiency 65 % 3.3E+10 (factor) Tx gain 51.4 dB Rx gain 38.1 dB Carrier to noise and interference 89.6 dB*Hz spectral density ratio (C/(N0+I0)) Tx WG attenuation 1.5 dB Rx WG attenuation 0.2 dB 9.1E+08 (factor) Tx mispointing loss 0.15 dB Rx mispointing loss 0.01 dB Carrier to noise ratio (C/N+I) 14.4 dB 218.23 W Antenna noise temperature 20 K Clear sky downlink HPA power 23.4 dBW Rx WG noise temperature 13 K Carrier transmission frequency 3955.000 MHz Uplink power control range 0.00 dB LNA noise temperature 45 K Wavelength 0.076 m Total Rx system noise temperature 78 K Satellite EIRP 42.5 dBW (clear sky) Total Rx system noise temperature 18.9 dB(K) Mispointing loss 0.01 dB (clear sky) G/T (clear sky) 18.9 dBi/K Free space loss 195.6 dB Atmospheric loss 0.0 dB Total Rx system noise temperature 78 K Noise spectral density (N0) -209.7 dBW/Hz Carrier level at ES receiver input -123.4 dBW Carrier to noise spectral density ratio 86.2 dB*Hz (C/N0) 4.2E+08 (factor) Carrier to interference from adjacent 30.000 dB satellites ratio (C/I) 105.2 dB Carrier to interference from adjacent satellites spectral density ratio (C/I0) 3.3E+10 (factor) Carrier to noise and interference 86.2 dB*Hz spectral density ratio (C/(N0+I0)) 4.2E+08 (factor) Carrier to noise ratio (C/N+I) 11.0 dB Clear sky total link Carrier to noise and interference spectral density ratio (C/(N0+I0)), 84.2 dB*Hz total Bit energy to noise and interference spectral density ratio (Eb/(N0+I0)), 7.2 dB total Carrier to noise ratio (C/N+I) 8.9 dB Clear sky margin 2.17 dB Capacity utilization Availability Total occupied bandwidth 40000 kHz Uplink availability 99.70 % Total EIRP utilized 42.5 dBW Downlink precipitation fade 0.6 dB Rx system noise temperature Power-equivalent BW 15984 kHz 34.0 K increase due to precipitation Rx system G/T degradation due to Bandwidth utilization 100.00 % precipitation 1.6 dB Power utilization 39.96 % Rx system G/T (w/precipitation) 17.4 dBi/K Downlink availability 100.00 % Allocated capacity 40.000 MHz Total availability 99.70 %

Международная организация космической связи Organisation Internationale des Telecommunications Spatiales Organizacion Internacional de Telecomunicaciones Cosmicas INTERSPUTNIK 2nd Smolensky per., 1/4, 121099, Moscow, Russia INTERNATIONAL ORGANIZATION tel.: +7 (495) 244 0333, fax: +7 (499) 241 0784 OF SPACE COMMUNICATIONS e-mail: dir@intersputnik.com www.intersputnik.com For technical issues: tel./fax: +7 (499) 241 45 90 e-mail: technical@intersputnik.com LINK BUDGET CALCULATION Satellite Transponder Channel parameters Name 11G Data bitrate 50000 kb/s Maximum G/T -7.0 dBi/K FEC 0.7500 (factor) Name Express-AM44 Maximum (saturated) EIRP 39.0 dBW Turbo (lookup name) Coding Output backoff (OBO) 0.5 dB 1 (factor) Input backoff (IBO) 1.0 dB Transmitted bitrate 66667 kb/s Saturation flux density (SFD) -90.8 dBW/m2 QPSK (lookup name) Modulation Bandwidth 40 MHz 2 (factor) Central uplink frequency 6250 MHz Required Eb/N0 4.0 dB Nominal longitude -11 degrees East Uplink polarization C H/V/C System margin 1.00 dB Central downlink frequency 3925 MHz Required C/N0 82.0 dB*Hz Downlink polarization C H/V/C Required C/N 6.8 dB Central intermediate frequency 70 MHz Required total availability 99.70 % Station keeping accuracy 0.05 degrees Carrier to intermodulation products 18 dB 1 + Roll-off factor 1.20 (factor) interference ratio Carrier to cross-polarization 30 dB Noise bandwidth 33333 kHz interference ratio Occupied bandwidth 40000 kHz Carrier intermediate frequency 0.000 MHz Number of identical carriers of this 1 (factor) type Clear sky uplink Carrier transmission frequency 6180.000 MHz Earth Station "A" Earth Station "B" Wavelength 0.049 m Name Miami Name Abuja2 ES EIRP 71.6 dBW Longitude -80.18 degrees East Longitude 7.2 degrees East Mispointing loss 0.15 dB Latitude 25.77 degrees North Latitude 9.2 degrees North Free space loss 200.4 dB Altitude 0 km Altitude 0 km Atmospheric loss 0.3 dB Elevation 10.1 degrees Elevation 66.2 degrees Power flux density at satellite -92.0 dB(W/m2) Azimuth 99.4 degrees East Azimuth 244.1 degrees East Carrier to noise spectral density ratio 89.3 dB*Hz Distance to satellite 40577 km Distance to satellite 36258 km (C/N0) 8.6E+08 (factor) Carrier to interference from adjacent G/T contour 3.0 dB EIRP contour 0.7 dB 30.000 dB satellites ratio (C/I) Antenna diameter 7.3 m Antenna diameter 2.4 m Carrier to interference from adjacent 105.2 dB satellites spectral density ratio (C/I0) Tx antenna efficiency 60 % Rx antenna efficiency 65 % 3.3E+10 (factor) Tx gain 51.3 dB Rx gain 37.9 dB Carrier to noise and interference 89.2 dB*Hz spectral density ratio (C/(N0+I0)) Tx WG attenuation 1.5 dB Rx WG attenuation 0.2 dB 8.3E+08 (factor) Tx mispointing loss 0.15 dB Rx mispointing loss 0.01 dB Carrier to noise ratio (C/N+I) 14.0 dB 151.06 W Antenna noise temperature 20 K Clear sky downlink HPA power 21.8 dBW Rx WG noise temperature 13 K Carrier transmission frequency 3855.000 MHz Uplink power control range 0.00 dB LNA noise temperature 45 K Wavelength 0.078 m Total Rx system noise temperature 78 K Satellite EIRP 35.3 dBW (clear sky) Total Rx system noise temperature 18.9 dB(K) Mispointing loss 0.01 dB (clear sky) G/T (clear sky) 18.7 dBi/K Free space loss 195.4 dB Atmospheric loss 0.0 dB Total Rx system noise temperature 78 K Noise spectral density (N0) -209.7 dBW/Hz Carrier level at ES receiver input -123.1 dBW Carrier to noise spectral density ratio 86.6 dB*Hz (C/N0) 4.5E+08 (factor) Carrier to interference from adjacent 30.000 dB satellites ratio (C/I) 105.2 dB Carrier to interference from adjacent satellites spectral density ratio (C/I0) 3.3E+10 (factor) Carrier to noise and interference 86.5 dB*Hz spectral density ratio (C/(N0+I0)) 4.5E+08 (factor) Carrier to noise ratio (C/N+I) 11.3 dB Clear sky total link Carrier to noise and interference spectral density ratio (C/(N0+I0)), 84.0 dB*Hz total Bit energy to noise and interference spectral density ratio (Eb/(N0+I0)), 7.1 dB total Carrier to noise ratio (C/N+I) 8.8 dB Clear sky margin 2.05 dB Capacity utilization Availability Total occupied bandwidth 40000 kHz Uplink availability 99.70 % Total EIRP utilized 35.3 dBW Downlink precipitation fade 0.6 dB Rx system noise temperature Power-equivalent BW 19292 kHz 32.0 K increase due to precipitation Rx system G/T degradation due to Bandwidth utilization 100.00 % precipitation 1.5 dB Power utilization 48.23 % Rx system G/T (w/precipitation) 17.2 dBi/K Downlink availability 100.00 % Allocated capacity 40.000 MHz Total availability 99.70 %


Document Created: 2009-12-23 13:53:35
Document Modified: 2009-12-23 13:53:35
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