Attachment Exhibit B

This document pretains to SES-MOD-20121023-00963 for Modification on a Satellite Earth Station filing.

IBFS_SESMOD2012102300963_972569

Exhibit B Link Budgets and Coverage Maps 1

3-Oct-12 256ksps R1/2 HN INROUTE LINK BUDGET 04:08 PM Satellite: IS19 NEP 0.51m Remote in Juneau 9.0m hub in Napa, CA SUMMARY BASELINE PARAMETERS Value Unit % Avail S/C Power Reqd/Crr 0.13 % % Xponder Bandwidth Reqd/Crr 4.00 % Carrier Info Rate 256 Kbps Clear Sky Link Margin 2.1 dB FEC Code Rate 0.500 Power Equivalent Bandwidth 0.05 MHz Crr Xmission Rate 256 Kbps Contract EIRP at reference contour 16.6 dBw CARRIER Min Reqd Ebi/No 2.1 dB LINK PERFORMANCE Cl Sky Up Fade Dn Fade Unit DATA No of bits/symbol 2.0 Bits Demod BT Product 1.00 Satellite SFD -89.1 -89.1 -89.1 dBW/m2 Spreading factor 4.00 Agg Input B.O. 7.0 7.0 7.0 dB Spread Bandwidth 1024 kHz Input Backoff/Crr 35.9 37.2 35.9 dB Crr Spacing Fctr 1.41 x Rs Crr Flux Density -125.0 -126.3 -125.0 dBW/m2 Carrier Spacing 1440 kHz Gain of a Sq meter 44.5 44.5 44.5 dBi Satellite IS19 NEP UPLINK Uplink Path Losses 208.3 209.5 208.3 dB Location 166.0 EL BUDGET Carrier Up EIRP 38.7 38.7 38.7 dBW Hub EIRP Contour 47.4 dBW Satellite G/T 1.7 1.7 1.7 dB/K Remote G/T Contour 1.7 dB/K Attn Setting 0.0 dB SATELLITE Xponder Gain 184.0 dB C/N Uplink 0.6 -0.6 0.6 dB DATA SFD -89.1 dBW/m2 Xponder Bandwidth 36.0 MHz Saturation EIRP 47.4 47.4 47.4 dBW Agg Input BO 7.0 dB Agg Output B.O. 4.0 4.0 4.0 dB Agg Output BO 4.0 dB Output Backoff/Crr 32.9 34.2 32.9 dB Uplink Frequency 14.2500 GHz Carrier Dn EIRP 14.5 13.2 14.5 dBW Dnlink Frequency 12.5020 GHz DOWNLINK Dnlink Path Losses 207.0 207.0 213.1 dB Tx Antenna Dia 0.51 meters BUDGET Rx Pointing Losses 0.6 0.6 0.6 dB HPA Max Output Pwr 10.0 Watts Cl Sky E/S G/T 37.6 37.6 37.6 dB/K Degradation in G/T 0.0 0.0 4.1 dB Tx Antenna Gain 29.0 dBi Tx Pointing Losses 0.3 dB C/N Downlink 13.0 11.8 2.8 dB C/N Uplink 0.6 -0.6 0.6 dB GROUND Rx Antenna Dia 9.0 meters C/N Downlink 13.0 11.8 2.8 dB SEGMENT Rx Antenna Effcy 62 % C/I Intermod (S/C) 5.0 3.7 5.0 dB DATA Rx Antenna Gain 59.4 dBi C/I Uplink Adj Sat 9.8 8.6 9.8 dB Rx Pointing Losses 0.6 dB COMPOSITE C/I Downlink Adj Sat 18.2 17.0 18.2 dB Pre LNA Losses 0.1 dB LINK C/I Xpol 8.5 7.2 2.1 dB LNA Noise Temp 90 K C/I Adjacent Carrier 17.0 15.8 17.0 dB Ant,etc Temp 50 K Cl Sky Noise Temp 140 K C/(Nu,d) 0.4 -0.8 -1.4 dB C/(Nu,d,ims/c) -0.9 -2.1 -2.3 dB Rx Clr Sky G/T 37.6 dB/K C/(Nu,d,im,i)Total -1.8 -3.0 -3.9 dB Uplink Rain Attn 1.2 dB LINK MARGIN 2.1 0.9 0.0 dB RAIN Dnlink Rain Attn 6.2 dB MARGINS Target Link Availability 98.9 % Minimum Ebi/No 2.1 dB Tx E/S Location Juneau MODEM Minimum Reqd Ebt/No -0.9 dB Tx E/S Latitude 58.3 N 10*log(Rbt/Noise BW) -3.0 dB SITE Tx E/S Longitude -134.5 W Minimum Reqd C/N -3.9 dB GEOGRAPHIC Tx E/S Elev Angle 6.8 deg DATA Skew 28.0 deg Rx E/S Location Napa, CA RF Head Max Output Power 10.0 Watts Rx E/S Latitude 38.2 N Misc Feed Losses etc 0.0 Rx E/S Longitude -122.3 W EARTH E/S EIRP Reqd twds S/C 38.7 dBW Rx E/S Elev Angle 5.6 deg STATION (Note: reqd to achieve link margin) HPA Tx Pointing Losses 0.3 dB XPOL S/C Isolation 36.0 dB Max EIRP Avail towards S/C 38.7 dBW ISOLATION Tx E/S Isolation 35.0 dB DATA Rx E/S Isolation 25.0 dB RF Head Output BO (Cl Sky) 0.0 dB Uplnk Free Sp Loss 207.8 dB MISC Dnlnk Free Sp Loss 206.7 dB Uplink Pwr Dens into Feed -14.1 dBW/4kHz LOSSES Uplink Atmos Attn 0.5 dB Dnlink Atmos Attn 0.3 dB

10/3/2012 HughesNet LINK BUDGET 4:13 PM Satellite: IS19 NEP 0.51 m Remote Located in Juneau Skew = 28.0 deg Crr EIRP Density = 10.5 dBW/4 KHz BASELINE PARAMETERS Value Unit SUMMARY % Avail S/C Power Reqd/Crr 43.5 % % Xponder Bandwidth Reqd/Crr 17.5 % Carrier Info Rate 6667 Kbps Clear Sky Link Margin 2.2 dB Net FEC Code Rate 0.667 Power Equivalent Bandwidth 15.7 MHz Transmit Symbol Rate 5000 Kbps EIRP at 49.5 dBW reference contour 41.9 dBw CARRIER Min Reqd Ebi/No 2.1 dB LINK PERFORMANCE Cl Sky Up Fade Dn Fade Unit DATA No of bits/symbol 2.0 Bits Satellite SFD -87.4 -87.4 -87.4 dBW/m2 Demod BT Product 1.00 Agg Input B.O. 7.0 7.0 7.0 dB Crr Noise Bandwidth 5000 KHz Input Backoff/Crr 11.4 11.4 11.4 dB Carrier Spacing 6300 KHz Crr Flux Density -98.8 -98.8 -98.8 dBW/m2 Satellite IS19 NEP UPLINK Gain of a Sq meter 44.5 44.5 44.5 dBi Location 166.0 EL BUDGET Uplink Path Losses 208.2 215.4 208.2 dB EIRP Contour at Remote 49.1 dBW Carrier Up EIRP 64.8 72.0 64.8 dBW G/T Contour at Hub 0.0 dB/K Satellite G/T 0.0 0.0 0.0 dB/K Attn Setting 0.0 dB SATELLITE Xponder Gain 184.0 dB C/N Uplink 18.3 18.3 18.3 dB DATA SFD -87.4 dBW/m2 EIRP Contour 49.1 49.1 49.1 dBW Xponder Bandwidth 36.0 MHz Agg Output B.O. 4.0 4.0 4.0 dB Agg Input BO 7.0 dB Output Backoff/Crr 7.6 7.6 7.6 dB Agg Output BO 4.0 dB Carrier Dn EIRP 40.7 40.7 41.5 dBW Uplink Frequency 14.250 GHz DOWNLINK Dnlink Path Losses 207.0 207.0 208.0 dB Dnlink Frequency 12.502 GHz BUDGET Rx Pointing Losses 0.2 0.2 0.2 dB Tx Antenna Dia 9.0 meters Cl Sky E/S G/T 11.8 11.8 11.8 dB/K HPA Max Output Pwr 750.0 Watts Degradation in G/T 0.0 0.0 2.2 dB Tx Antenna Gain 60.5 dBi C/N Downlink 6.9 6.9 4.5 dB Tx Pointing Losses 0.8 dB C/N Uplink 18.3 18.3 18.3 dB GROUND C/N Downlink 6.9 6.9 4.5 dB SEGMENT Rx Antenna Dia 0.51 meters C/I Intermod (S/C) 22.6 22.6 22.6 dB DATA C/I Uplink Adj Sat 30.6 30.6 30.6 dB Rx Antenna Gain 31.6 dBi COMPOSITE C/I Dnlink Adj Sat 13.9 13.9 13.9 dB Rx Pointing Losses 0.2 dB LINK C/I Xpol 18.4 14.5 18.2 dB Pre LNA Losses 0.3 dB C/I Intermod (E/S) 32.4 18.0 32.4 dB LNA Noise Temp 43 K Ant,etc Temp 28 K C/(Nu,d) 6.6 6.6 4.3 dB Cl Sky Noise Temp 71 K C/(Nu,d,ims/c) 6.5 6.5 4.2 dB Rx Clr Sky G/T 11.8 dB/K C/(Nu,d,im,i)Total 5.5 5.0 3.6 dB Uplink Rain Attn 7.2 dB LINK MARGIN 2.2 1.7 0.3 dB RAIN Dnlink Rain Attn 1.0 dB Minimum Reqd Ebi/No 2.1 dB MARGINS Up Fade Pwr Cntrl 7.2 dB MODEM Minimum Reqd Ebt/No 0.3 dB Link Availability 98.9 % 10*log(Rbt/Noise BW) 3.0 dB Tx E/S Location Napa, CA Minimum Reqd C/N 3.3 dB Tx E/S Latitude 38.2 N E/S EIRP/Crr Reqd (Cl Sky) 64.8 dBW SITE Tx E/S Longitude -122.3 W Tx Gain - Pointing Loss 59.7 dB GEOGRAPHIC Tx E/S Elev Angle 5.6 deg EARTH Tx IFL Losses 0.0 dB DATA STATION Tx Power Reqd/Cxr (clear sky) 5.1 dBW Rx E/S Location Juneau HPA 3.3 watts Rx E/S Latitude 58.3 N Uplink Power Control 7.2 dB Rx E/S Longitude -134.5 W TX Power Reqd/Cxr (full UPC) 12.4 dBW Rx E/S Elev Angle 7 deg 17.2 watts XPOL S/C Isolation 36.0 dB ISOLATION Tx E/S Isolation 35.0 dB DATA Rx E/S Isolation 20.0 dB Uplnk Free Sp Loss 207.8 dB Dnlink EIRP Dens @ Beam Peak (49.5 dBW) 10.5 dBW/4KHz MISC Dnlnk Free Sp Loss 206.6 dB LOSSES Uplink Atmos Attn 0.4 dB Dnlink Atmos Attn 0.4 dB

10/3/2012 HughesNet LINK BUDGET 4:15 PM Satellite: IS19 NEP 0.51 m Remote Located in Juneau Skew = 28.0 deg Crr EIRP Density = 10.6 dBW/4 KHz BASELINE PARAMETERS Value Unit SUMMARY % Avail S/C Power Reqd/Crr 100.0 % % Xponder Bandwidth Reqd/Crr 100.0 % Carrier Info Rate 30000 Kbps Clear Sky Link Margin 4.7 dB Net FEC Code Rate 0.500 Power Equivalent Bandwidth 36.0 MHz Transmit Symbol Rate 30000 Kbps EIRP at 49.5 dBW reference contour 49.0 dBw CARRIER Min Reqd Ebi/No 1.2 dB LINK PERFORMANCE Cl Sky Up Fade Dn Fade Unit DATA No of bits/symbol 2.0 Bits Satellite SFD -87.4 -87.4 -87.4 dBW/m2 Demod BT Product 1.00 Agg Input B.O. 3.0 3.0 3.0 dB Crr Noise Bandwidth 30000 KHz Input Backoff/Crr 3.8 3.8 3.8 dB Carrier Spacing 36000 KHz Crr Flux Density -91.2 -91.2 -91.2 dBW/m2 Satellite IS19 NEP UPLINK Gain of a Sq meter 44.5 44.5 44.5 dBi Location 166.0 EL BUDGET Uplink Path Losses 208.2 215.4 208.2 dB EIRP Contour at Remote 49.1 dBW Carrier Up EIRP 72.4 79.7 72.4 dBW G/T Contour at Hub 0.0 dB/K Satellite G/T 0.0 0.0 0.0 dB/K Attn Setting 0.0 dB SATELLITE Xponder Gain 183.5 dB C/N Uplink 18.1 18.1 18.1 dB DATA SFD -87.4 dBW/m2 EIRP Contour 49.1 49.1 49.1 dBW Xponder Bandwidth 36.0 MHz Agg Output B.O. 0.5 0.5 0.5 dB Agg Input BO 3.0 dB Output Backoff/Crr 0.5 0.5 0.5 dB Agg Output BO 0.5 dB Carrier Dn EIRP 48.6 48.6 47.8 dBW Uplink Frequency 14.250 GHz DOWNLINK Dnlink Path Losses 207.0 207.0 208.0 dB Dnlink Frequency 12.502 GHz BUDGET Rx Pointing Losses 0.2 0.2 0.2 dB Tx Antenna Dia 9.0 meters Cl Sky E/S G/T 11.8 11.8 11.8 dB/K HPA Max Output Pwr 750.0 Watts Degradation in G/T 0.0 0.0 2.2 dB Tx Antenna Gain 60.5 dBi C/N Downlink 7.0 7.0 3.0 dB Tx Pointing Losses 0.8 dB C/N Uplink 18.1 18.1 18.1 dB GROUND C/N Downlink 7.0 7.0 3.0 dB SEGMENT Rx Antenna Dia 0.51 meters C/I Intermod (S/C) 99.0 99.0 99.0 dB DATA C/I Uplink Adj Sat 30.4 30.4 30.4 dB Rx Antenna Gain 31.6 dBi COMPOSITE C/I Dnlink Adj Sat 15.6 15.6 15.6 dB Rx Pointing Losses 0.2 dB LINK C/I Xpol 18.4 14.5 18.2 dB Pre LNA Losses 0.3 dB C/I Intermod (E/S) 32.4 18.0 32.4 dB LNA Noise Temp 43 K Ant,etc Temp 28 K C/(Nu,d) 6.7 6.7 2.9 dB Cl Sky Noise Temp 71 K C/(Nu,d,ims/c) 6.7 6.7 2.9 dB Rx Clr Sky G/T 11.8 dB/K C/(Nu,d,im,i)Total 5.9 5.3 2.5 dB Uplink Rain Attn 7.2 dB LINK MARGIN 4.7 4.1 1.3 dB RAIN Dnlink Rain Attn 1.0 dB Minimum Reqd Ebi/No 1.2 dB MARGINS Up Fade Pwr Cntrl 7.2 dB MODEM Minimum Reqd Ebt/No -1.8 dB Link Availability 98.9 % 10*log(Rbt/Noise BW) 3.0 dB Tx E/S Location Napa, CA Minimum Reqd C/N 1.2 dB Tx E/S Latitude 38.2 N E/S EIRP/Crr Reqd (Cl Sky) 72.4 dBW SITE Tx E/S Longitude -122.3 W Tx Gain - Pointing Loss 59.7 dB GEOGRAPHIC Tx E/S Elev Angle 5.6 deg EARTH Tx IFL Losses 0.0 dB DATA STATION Tx Power Reqd/Cxr (clear sky) 12.8 dBW Rx E/S Location Juneau HPA 18.9 watts Rx E/S Latitude 58.3 N Uplink Power Control 7.2 dB Rx E/S Longitude -134.5 W TX Power Reqd/Cxr (full UPC) 20.0 dBW Rx E/S Elev Angle 7 deg 99.6 watts XPOL S/C Isolation 36.0 dB ISOLATION Tx E/S Isolation 35.0 dB DATA Rx E/S Isolation 20.0 dB Uplnk Free Sp Loss 207.8 dB Dnlink EIRP Dens @ Beam Peak (49.5 dBW) 10.6 dBW/4KHz MISC Dnlnk Free Sp Loss 206.6 dB LOSSES Uplink Atmos Attn 0.4 dB Dnlink Atmos Attn 0.4 dB

3-Oct-12 256ksps R1/2 HN INROUTE LINK BUDGET 04:23 PM Satellite: IS19 NWP 0.51m Remote in Vladivostok 9.0m hub in Napa, CA SUMMARY BASELINE PARAMETERS Value Unit % Avail S/C Power Reqd/Crr 1.26 % % Xponder Bandwidth Reqd/Crr 4.00 % Carrier Info Rate 256 Kbps Clear Sky Link Margin 5.0 dB FEC Code Rate 0.500 Power Equivalent Bandwidth 0.45 MHz Crr Xmission Rate 256 Kbps Contract EIRP at reference contour 28.1 dBw CARRIER Min Reqd Ebi/No 2.1 dB LINK PERFORMANCE Cl Sky Up Fade Dn Fade Unit DATA No of bits/symbol 2.0 Bits Demod BT Product 1.00 Satellite SFD -100.2 -100.2 -100.2 dBW/m2 Spreading factor 4.00 Agg Input B.O. 5.3 5.3 5.3 dB Spread Bandwidth 1024 kHz Input Backoff/Crr 24.3 25.3 24.3 dB Crr Spacing Fctr 1.41 x Rs Crr Flux Density -124.5 -125.5 -124.5 dBW/m2 Carrier Spacing 1440 kHz Gain of a Sq meter 44.5 44.5 44.5 dBi Satellite IS19 NWP UPLINK Uplink Path Losses 207.8 208.8 207.8 dB Location 166.0 EL BUDGET Carrier Up EIRP 38.7 38.7 38.7 dBW Hub EIRP Contour 45.1 dBW Satellite G/T 2.5 2.5 2.5 dB/K Remote G/T Contour 2.5 dB/K Attn Setting 5.0 dB SATELLITE Xponder Gain 191.1 dB C/N Uplink 1.9 0.9 1.9 dB DATA SFD -100.2 dBW/m2 Xponder Bandwidth 36.0 MHz Saturation EIRP 45.1 45.1 45.1 dBW Agg Input BO 5.3 dB Agg Output B.O. 4.0 4.0 4.0 dB Agg Output BO 4.0 dB Output Backoff/Crr 23.0 24.0 23.0 dB Uplink Frequency 14.2500 GHz Carrier Dn EIRP 22.1 21.1 22.1 dBW Dnlink Frequency 12.5020 GHz DOWNLINK Dnlink Path Losses 207.0 207.0 212.5 dB Tx Antenna Dia 0.51 meters BUDGET Rx Pointing Losses 0.6 0.6 0.6 dB HPA Max Output Pwr 10.0 Watts Cl Sky E/S G/T 37.6 37.6 37.6 dB/K Degradation in G/T 0.0 0.0 4.0 dB Tx Antenna Gain 29.0 dBi Tx Pointing Losses 0.3 dB C/N Downlink 20.6 19.6 11.2 dB C/N Uplink 1.9 0.9 1.9 dB GROUND Rx Antenna Dia 9.0 meters C/N Downlink 20.6 19.6 11.2 dB SEGMENT Rx Antenna Effcy 62 % C/I Intermod (S/C) 14.9 13.9 14.9 dB DATA Rx Antenna Gain 59.4 dBi C/I Uplink Adj Sat 11.3 10.3 11.3 dB Rx Pointing Losses 0.6 dB COMPOSITE C/I Downlink Adj Sat 29.7 28.7 29.7 dB Pre LNA Losses 0.1 dB LINK C/I Xpol 20.0 19.0 14.3 dB LNA Noise Temp 90 K C/I Adjacent Carrier 17.0 16.0 17.0 dB Ant,etc Temp 50 K Cl Sky Noise Temp 140 K C/(Nu,d) 1.9 0.9 1.5 dB C/(Nu,d,ims/c) 1.7 0.7 1.3 dB Rx Clr Sky G/T 37.6 dB/K C/(Nu,d,im,i)Total 1.0 0.0 0.5 dB Uplink Rain Attn 1.0 dB LINK MARGIN 5.0 4.0 4.5 dB RAIN Dnlink Rain Attn 5.5 dB MARGINS Target Link Availability 98.9 % Minimum Ebi/No 2.1 dB Tx E/S Location Vladivostok MODEM Minimum Reqd Ebt/No -0.9 dB Tx E/S Latitude 43.1 N 10*log(Rbt/Noise BW) -3.0 dB SITE Tx E/S Longitude 131.9 E Minimum Reqd C/N -3.9 dB GEOGRAPHIC Tx E/S Elev Angle 29.6 deg DATA Skew 30.9 deg Rx E/S Location Napa, CA RF Head Max Output Power 10.0 Watts Rx E/S Latitude 38.2 N Misc Feed Losses etc 0.0 Rx E/S Longitude -122.3 W EARTH E/S EIRP Reqd twds S/C 34.7 dBW Rx E/S Elev Angle 5.6 deg STATION (Note: reqd to achieve link margin) HPA Tx Pointing Losses 0.3 dB XPOL S/C Isolation 36.0 dB Max EIRP Avail towards S/C 38.7 dBW ISOLATION Tx E/S Isolation 35.0 dB DATA Rx E/S Isolation 25.0 dB RF Head Output BO (Cl Sky) 0.0 dB Uplnk Free Sp Loss 207.3 dB MISC Dnlnk Free Sp Loss 206.7 dB Uplink Pwr Dens into Feed -14.1 dBW/4kHz LOSSES Uplink Atmos Attn 0.5 dB Dnlink Atmos Attn 0.3 dB

10/3/2012 HughesNet LINK BUDGET 4:22 PM Satellite: IS19 NWP 0.51 m Remote Located in Vladivostok Skew = 30.9 deg Crr EIRP Density = 12.0 dBW/4 KHz BASELINE PARAMETERS Value Unit SUMMARY % Avail S/C Power Reqd/Crr 42.5 % % Xponder Bandwidth Reqd/Crr 17.5 % Carrier Info Rate 5000 Kbps Clear Sky Link Margin 2.6 dB Net FEC Code Rate 0.500 Power Equivalent Bandwidth 15.3 MHz Transmit Symbol Rate 5000 Kbps EIRP at 51.1 dBW reference contour 43.4 dBw CARRIER Min Reqd Ebi/No 1.2 dB LINK PERFORMANCE Cl Sky Up Fade Dn Fade Unit DATA No of bits/symbol 2.0 Bits Satellite SFD -98.2 -98.2 -98.2 dBW/m2 Demod BT Product 1.00 Agg Input B.O. 5.3 5.3 5.3 dB Crr Noise Bandwidth 5000 KHz Input Backoff/Crr 9.8 9.8 9.8 dB Carrier Spacing 6300 KHz Crr Flux Density -108.0 -108.0 -108.0 dBW/m2 Satellite IS19 NWP UPLINK Gain of a Sq meter 44.5 44.5 44.5 dBi Location 166.0 EL BUDGET Uplink Path Losses 208.2 216.3 208.2 dB EIRP Contour at Remote 47.8 dBW Carrier Up EIRP 55.6 63.7 55.6 dBW G/T Contour at Hub 0.5 dB/K Satellite G/T 0.5 0.5 0.5 dB/K Attn Setting 5.0 dB SATELLITE Xponder Gain 191.8 dB C/N Uplink 9.6 9.6 9.6 dB DATA SFD -98.2 dBW/m2 EIRP Contour 47.8 47.8 47.8 dBW Xponder Bandwidth 36.0 MHz Agg Output B.O. 4.0 4.0 4.0 dB Agg Input BO 5.3 dB Output Backoff/Crr 7.7 7.7 7.7 dB Agg Output BO 4.0 dB Carrier Dn EIRP 39.3 39.3 40.1 dBW Uplink Frequency 14.250 GHz DOWNLINK Dnlink Path Losses 206.5 206.5 207.0 dB Dnlink Frequency 12.502 GHz BUDGET Rx Pointing Losses 0.2 0.2 0.2 dB Tx Antenna Dia 9.0 meters Cl Sky E/S G/T 11.8 11.8 11.8 dB/K HPA Max Output Pwr 750.0 Watts Degradation in G/T 0.0 0.0 1.1 dB Tx Antenna Gain 60.5 dBi C/N Downlink 6.0 6.0 5.2 dB Tx Pointing Losses 0.8 dB C/N Uplink 9.6 9.6 9.6 dB GROUND C/N Downlink 6.0 6.0 5.2 dB SEGMENT Rx Antenna Dia 0.51 meters C/I Intermod (S/C) 22.5 22.5 22.5 dB DATA C/I Uplink Adj Sat 22.8 22.8 22.8 dB Rx Antenna Gain 31.6 dBi COMPOSITE C/I Dnlink Adj Sat 15.3 15.3 15.3 dB Rx Pointing Losses 0.2 dB LINK C/I Xpol 18.4 14.0 18.4 dB Pre LNA Losses 0.3 dB C/I Intermod (E/S) 34.2 18.0 34.2 dB LNA Noise Temp 43 K Ant,etc Temp 28 K C/(Nu,d) 4.4 4.4 3.9 dB Cl Sky Noise Temp 71 K C/(Nu,d,ims/c) 4.3 4.3 3.8 dB Rx Clr Sky G/T 11.8 dB/K C/(Nu,d,im,i)Total 3.8 3.4 3.3 dB Uplink Rain Attn 8.1 dB LINK MARGIN 2.6 2.2 2.1 dB RAIN Dnlink Rain Attn 0.4 dB Minimum Reqd Ebi/No 1.2 dB MARGINS Up Fade Pwr Cntrl 8.1 dB MODEM Minimum Reqd Ebt/No -1.8 dB Link Availability 98.9 % 10*log(Rbt/Noise BW) 3.0 dB Tx E/S Location Napa, CA Minimum Reqd C/N 1.2 dB Tx E/S Latitude 38.2 N E/S EIRP/Crr Reqd (Cl Sky) 55.6 dBW SITE Tx E/S Longitude -122.3 W Tx Gain - Pointing Loss 59.7 dB GEOGRAPHIC Tx E/S Elev Angle 5.6 deg EARTH Tx IFL Losses 0.0 dB DATA STATION Tx Power Reqd/Cxr (clear sky) -4.1 dBW Rx E/S Location Vladivostok HPA 0.4 watts Rx E/S Latitude 43.1 N Uplink Power Control 8.1 dB Rx E/S Longitude 131.9 E TX Power Reqd/Cxr (full UPC) 4.1 dBW Rx E/S Elev Angle 30 deg 2.5 watts XPOL S/C Isolation 36.0 dB ISOLATION Tx E/S Isolation 35.0 dB DATA Rx E/S Isolation 20.0 dB Uplnk Free Sp Loss 207.8 dB Dnlink EIRP Dens @ Beam Peak (51.1 dBW) 12.0 dBW/4KHz MISC Dnlnk Free Sp Loss 206.1 dB LOSSES Uplink Atmos Attn 0.4 dB Dnlink Atmos Attn 0.4 dB

10/3/2012 HughesNet LINK BUDGET 4:26 PM Satellite: IS19 NWP 0.51 m Remote Located in Vladivostok Skew = 30.9 deg Crr EIRP Density = 12.2 dBW/4 KHz BASELINE PARAMETERS Value Unit SUMMARY % Avail S/C Power Reqd/Crr 100.0 % % Xponder Bandwidth Reqd/Crr 100.0 % Carrier Info Rate 40000 Kbps Clear Sky Link Margin 2.0 dB Net FEC Code Rate 0.667 Power Equivalent Bandwidth 36.0 MHz Transmit Symbol Rate 30000 Kbps EIRP at 51.1 dBW reference contour 50.6 dBw CARRIER Min Reqd Ebi/No 2.1 dB LINK PERFORMANCE Cl Sky Up Fade Dn Fade Unit DATA No of bits/symbol 2.0 Bits Satellite SFD -88.2 -88.2 -88.2 dBW/m2 Demod BT Product 1.00 Agg Input B.O. 3.0 3.0 3.0 dB Crr Noise Bandwidth 30000 KHz Input Backoff/Crr 3.8 3.8 3.8 dB Carrier Spacing 36000 KHz Crr Flux Density -92.0 -92.0 -92.0 dBW/m2 Satellite IS19 NWP UPLINK Gain of a Sq meter 44.5 44.5 44.5 dBi Location 166.0 EL BUDGET Uplink Path Losses 208.2 216.3 208.2 dB EIRP Contour at Remote 47.8 dBW Carrier Up EIRP 71.6 79.8 71.6 dBW G/T Contour at Hub 0.5 dB/K Satellite G/T 0.5 0.5 0.5 dB/K Attn Setting 15.0 dB SATELLITE Xponder Gain 183.0 dB C/N Uplink 17.8 17.8 17.8 dB DATA SFD -88.2 dBW/m2 EIRP Contour 47.8 47.8 47.8 dBW Xponder Bandwidth 36.0 MHz Agg Output B.O. 0.5 0.5 0.5 dB Agg Input BO 3.0 dB Output Backoff/Crr 0.5 0.5 0.5 dB Agg Output BO 0.5 dB Carrier Dn EIRP 47.3 47.3 46.5 dBW Uplink Frequency 14.250 GHz DOWNLINK Dnlink Path Losses 206.5 206.5 207.0 dB Dnlink Frequency 12.502 GHz BUDGET Rx Pointing Losses 0.2 0.2 0.2 dB Tx Antenna Dia 9.0 meters Cl Sky E/S G/T 11.8 11.8 11.8 dB/K HPA Max Output Pwr 750.0 Watts Degradation in G/T 0.0 0.0 1.1 dB Tx Antenna Gain 60.5 dBi C/N Downlink 6.2 6.2 3.9 dB Tx Pointing Losses 0.8 dB C/N Uplink 17.8 17.8 17.8 dB GROUND C/N Downlink 6.2 6.2 3.9 dB SEGMENT Rx Antenna Dia 0.51 meters C/I Intermod (S/C) 99.0 99.0 99.0 dB DATA C/I Uplink Adj Sat 31.0 31.0 31.0 dB Rx Antenna Gain 31.6 dBi COMPOSITE C/I Dnlink Adj Sat 17.0 17.0 17.0 dB Rx Pointing Losses 0.2 dB LINK C/I Xpol 18.4 14.0 18.4 dB Pre LNA Losses 0.3 dB C/I Intermod (E/S) 34.2 18.0 34.2 dB LNA Noise Temp 43 K Ant,etc Temp 28 K C/(Nu,d) 5.9 5.9 3.7 dB Cl Sky Noise Temp 71 K C/(Nu,d,ims/c) 5.9 5.9 3.7 dB Rx Clr Sky G/T 11.8 dB/K C/(Nu,d,im,i)Total 5.4 4.8 3.3 dB Uplink Rain Attn 8.1 dB LINK MARGIN 2.0 1.5 0.0 dB RAIN Dnlink Rain Attn 0.4 dB Minimum Reqd Ebi/No 2.1 dB MARGINS Up Fade Pwr Cntrl 8.1 dB MODEM Minimum Reqd Ebt/No 0.3 dB Link Availability 98.9 % 10*log(Rbt/Noise BW) 3.0 dB Tx E/S Location Napa, CA Minimum Reqd C/N 3.3 dB Tx E/S Latitude 38.2 N E/S EIRP/Crr Reqd (Cl Sky) 71.6 dBW SITE Tx E/S Longitude -122.3 W Tx Gain - Pointing Loss 59.7 dB GEOGRAPHIC Tx E/S Elev Angle 5.6 deg EARTH Tx IFL Losses 0.0 dB DATA STATION Tx Power Reqd/Cxr (clear sky) 12.0 dBW Rx E/S Location Vladivostok HPA 15.7 watts Rx E/S Latitude 43.1 N Uplink Power Control 8.1 dB Rx E/S Longitude 131.9 E TX Power Reqd/Cxr (full UPC) 20.1 dBW Rx E/S Elev Angle 30 deg 101.7 watts XPOL S/C Isolation 36.0 dB ISOLATION Tx E/S Isolation 35.0 dB DATA Rx E/S Isolation 20.0 dB Uplnk Free Sp Loss 207.8 dB Dnlink EIRP Dens @ Beam Peak (51.1 dBW) 12.2 dBW/4KHz MISC Dnlnk Free Sp Loss 206.1 dB LOSSES Uplink Atmos Attn 0.4 dB Dnlink Atmos Attn 0.4 dB

Figure 1: IS‐19 Pacific Region Coverage

3-Oct-12 256ksps R1/2 HN INROUTE LINK BUDGET 02:50 PM Satellite: IS27 N. Atlantic 0.51m Remote in London 5.6m hub in Hagerstown SUMMARY BASELINE PARAMETERS Value Unit % Avail S/C Power Reqd/Crr 0.31 % % Xponder Bandwidth Reqd/Crr 4.00 % Carrier Info Rate 256 Kbps Clear Sky Link Margin 3.2 dB FEC Code Rate 0.500 Power Equivalent Bandwidth 0.1 MHz Crr Xmission Rate 256 Kbps Contract EIRP at reference contour 16.7 dBw CARRIER Min Reqd Ebi/No 2.1 dB LINK PERFORMANCE Cl Sky Up Fade Dn Fade Unit DATA No of bits/symbol 2.0 Bits Demod BT Product 1.00 Satellite SFD -94.5 -94.5 -94.5 dBW/m2 Spreading factor 4.00 Agg Input B.O. 5.3 5.3 5.3 dB Spread Bandwidth 1024 kHz Input Backoff/Crr 30.4 31.4 30.4 dB Crr Spacing Fctr 1.41 x Rs Crr Flux Density -124.9 -125.9 -124.9 dBW/m2 Carrier Spacing 1440 kHz Gain of a Sq meter 44.5 44.5 44.5 dBi Satellite IS27 N. Atlantic UPLINK Uplink Path Losses 208.1 209.1 208.1 dB Location -55.5 WL BUDGET Carrier Up EIRP 38.7 38.7 38.7 dBW Hub EIRP Contour 45.0 dBW Satellite G/T 2.5 2.5 2.5 dB/K Remote G/T Contour 2.5 dB/K Attn Setting 10.0 dB SATELLITE Xponder Gain 185.3 dB C/N Uplink 1.6 0.6 1.6 dB DATA SFD -94.5 dBW/m2 Xponder Bandwidth 36.0 MHz Saturation EIRP 45.0 45.0 45.0 dBW Agg Input BO 5.3 dB Agg Output B.O. 4.0 4.0 4.0 dB Agg Output BO 4.0 dB Output Backoff/Crr 29.1 30.1 29.1 dB Uplink Frequency 14.2500 GHz Carrier Dn EIRP 15.9 14.9 15.9 dBW Dnlink Frequency 10.9500 GHz DOWNLINK Dnlink Path Losses 205.1 205.1 208.1 dB Tx Antenna Dia 0.51 meters BUDGET Rx Pointing Losses 0.2 0.2 0.2 dB HPA Max Output Pwr 10.0 Watts Cl Sky E/S G/T 32.4 32.4 32.4 dB/K Degradation in G/T 0.0 0.0 3.1 dB Tx Antenna Gain 29.0 dBi Tx Pointing Losses 0.3 dB C/N Downlink 11.5 10.5 5.3 dB C/N Uplink 1.6 0.6 1.6 dB GROUND Rx Antenna Dia 5.6 meters C/N Downlink 11.5 10.5 5.3 dB SEGMENT Rx Antenna Effcy 62 % C/I Intermod (S/C) 8.8 7.8 8.8 dB DATA Rx Antenna Gain 54.1 dBi C/I Uplink Adj Sat 10.8 9.8 10.8 dB Rx Pointing Losses 0.2 dB COMPOSITE C/I Downlink Adj Sat 13.1 12.1 13.1 dB Pre LNA Losses 0.1 dB LINK C/I Xpol 8.6 7.6 7.5 dB LNA Noise Temp 90 K C/I Adjacent Carrier 17.0 16.0 17.0 dB Ant,etc Temp 50 K Cl Sky Noise Temp 140 K C/(Nu,d) 1.1 0.1 0.0 dB C/(Nu,d,ims/c) 0.5 -0.5 -0.5 dB Rx Clr Sky G/T 32.4 dB/K C/(Nu,d,im,i)Total -0.8 -1.8 -1.6 dB Uplink Rain Attn 1.0 dB LINK MARGIN 3.2 2.2 2.3 dB RAIN Dnlink Rain Attn 3.0 dB MARGINS Target Link Availability 99.0 % Minimum Ebi/No 2.1 dB Tx E/S Location London MODEM Minimum Reqd Ebt/No -0.9 dB Tx E/S Latitude 51.5 N 10*log(Rbt/Noise BW) -3.0 dB SITE Tx E/S Longitude -0.1 W Minimum Reqd C/N -3.9 dB GEOGRAPHIC Tx E/S Elev Angle 12.2 deg DATA Skew 33.2 deg Rx E/S Location Hagerstown RF Head Max Output Power 10.0 Watts Rx E/S Latitude 39.6 N Misc Feed Losses etc 0.0 Rx E/S Longitude -77.7 W EARTH E/S EIRP Reqd twds S/C 36.5 dBW Rx E/S Elev Angle 38.7 deg STATION (Note: reqd to achieve link margin) HPA Tx Pointing Losses 0.3 dB XPOL S/C Isolation 36.0 dB Max EIRP Avail towards S/C 38.7 dBW ISOLATION Tx E/S Isolation 35.0 dB DATA Rx E/S Isolation 25.0 dB RF Head Output BO (Cl Sky) 0.0 dB Uplnk Free Sp Loss 207.6 dB MISC Dnlnk Free Sp Loss 204.8 dB Uplink Pwr Dens into Feed -14.1 dBW/4kHz LOSSES Uplink Atmos Attn 0.5 dB Dnlink Atmos Attn 0.3 dB

10/3/2012 HughesNet LINK BUDGET 3:33 PM Satellite: IS27 N. Atlantic 0.51 m Remote Located in London Skew = 33.2 deg Crr EIRP Density = 7.5 dBW/4 KHz BASELINE PARAMETERS Value Unit SUMMARY % Avail S/C Power Reqd/Crr 51.1 % % Xponder Bandwidth Reqd/Crr 17.5 % Carrier Info Rate 5000 Kbps Clear Sky Link Margin 0.9 dB Net FEC Code Rate 0.500 Power Equivalent Bandwidth 18.4 MHz Transmit Symbol Rate 5000 Kbps EIRP at 45.8 dBW reference contour 38.9 dBw CARRIER Min Reqd Ebi/No 1.2 dB LINK PERFORMANCE Cl Sky Up Fade Dn Fade Unit DATA No of bits/symbol 2.0 Bits Satellite SFD -94.5 -94.5 -94.5 dBW/m2 Demod BT Product 1.00 Agg Input B.O. 5.3 5.3 5.3 dB Crr Noise Bandwidth 5000 KHz Input Backoff/Crr 8.5 8.5 8.5 dB Carrier Spacing 6300 KHz Crr Flux Density -103.0 -103.0 -103.0 dBW/m2 Satellite IS27 N. Atlantic UPLINK Gain of a Sq meter 44.4 44.4 44.4 dBi Location -55.5 WL BUDGET Uplink Path Losses 207.3 212.8 207.3 dB EIRP Contour at Remote 44.9 dBW Carrier Up EIRP 59.9 65.4 59.9 dBW G/T Contour at Hub 2.5 dB/K Satellite G/T 2.5 2.5 2.5 dB/K Attn Setting 10.0 dB SATELLITE Xponder Gain 185.1 dB C/N Uplink 16.7 16.7 16.7 dB DATA SFD -94.5 dBW/m2 EIRP Contour 44.9 44.9 44.9 dBW Xponder Bandwidth 36.0 MHz Agg Output B.O. 4.0 4.0 4.0 dB Agg Input BO 5.3 dB Output Backoff/Crr 6.9 6.9 6.9 dB Agg Output BO 4.0 dB Carrier Dn EIRP 37.7 37.7 38.0 dBW Uplink Frequency 14.000 GHz DOWNLINK Dnlink Path Losses 206.1 206.1 206.5 dB Dnlink Frequency 11.450 GHz BUDGET Rx Pointing Losses 0.2 0.2 0.2 dB Tx Antenna Dia 5.6 meters Cl Sky E/S G/T 11.0 11.0 11.0 dB/K HPA Max Output Pwr 750.0 Watts Degradation in G/T 0.0 0.0 1.0 dB Tx Antenna Gain 56.2 dBi C/N Downlink 4.0 4.0 3.0 dB Tx Pointing Losses 0.3 dB C/N Uplink 16.7 16.7 16.7 dB GROUND C/N Downlink 4.0 4.0 3.0 dB SEGMENT Rx Antenna Dia 0.51 meters C/I Intermod (S/C) 23.8 23.8 23.8 dB DATA C/I Uplink Adj Sat 20.0 20.0 20.0 dB Rx Antenna Gain 30.8 dBi COMPOSITE C/I Dnlink Adj Sat 7.9 7.9 7.9 dB Rx Pointing Losses 0.2 dB LINK C/I Xpol 18.4 17.5 18.3 dB Pre LNA Losses 0.3 dB C/I Intermod (E/S) 29.0 18.0 29.0 dB LNA Noise Temp 43 K Ant,etc Temp 28 K C/(Nu,d) 3.8 3.8 2.8 dB Cl Sky Noise Temp 71 K C/(Nu,d,ims/c) 3.7 3.7 2.7 dB Rx Clr Sky G/T 11.0 dB/K C/(Nu,d,im,i)Total 2.1 2.0 1.4 dB Uplink Rain Attn 5.5 dB LINK MARGIN 0.9 0.8 0.2 dB RAIN Dnlink Rain Attn 0.4 dB Minimum Reqd Ebi/No 1.2 dB MARGINS Up Fade Pwr Cntrl 5.5 dB MODEM Minimum Reqd Ebt/No -1.8 dB Link Availability 99.0 % 10*log(Rbt/Noise BW) 3.0 dB Tx E/S Location Hagerstown Minimum Reqd C/N 1.2 dB Tx E/S Latitude 39.6 N E/S EIRP/Crr Reqd (Cl Sky) 59.9 dBW SITE Tx E/S Longitude -77.7 W Tx Gain - Pointing Loss 55.9 dB GEOGRAPHIC Tx E/S Elev Angle 38.7 deg EARTH Tx IFL Losses 0.0 dB DATA STATION Tx Power Reqd/Cxr (clear sky) 4.0 dBW Rx E/S Location London HPA 2.5 watts Rx E/S Latitude 51.5 N Uplink Power Control 5.5 dB Rx E/S Longitude -0.1 W TX Power Reqd/Cxr (full UPC) 9.5 dBW Rx E/S Elev Angle 12 deg 8.9 watts XPOL S/C Isolation 36.0 dB ISOLATION Tx E/S Isolation 35.0 dB DATA Rx E/S Isolation 20.0 dB Uplnk Free Sp Loss 206.9 dB Dnlink EIRP Dens @ Beam Peak (45.8 dBW) 7.5 dBW/4KHz MISC Dnlnk Free Sp Loss 205.7 dB LOSSES Uplink Atmos Attn 0.4 dB Dnlink Atmos Attn 0.4 dB

10/3/2012 HughesNet LINK BUDGET 3:31 PM Satellite: IS27 N. Atlantic 0.51 m Remote Located in London Skew = 33.2 deg Crr EIRP Density = 9.4 dBW/4 KHz BASELINE PARAMETERS Value Unit SUMMARY % Avail S/C Power Reqd/Crr 100.0 % % Xponder Bandwidth Reqd/Crr 100.0 % Carrier Info Rate 20000 Kbps Clear Sky Link Margin 1.1 dB Net FEC Code Rate 0.667 Power Equivalent Bandwidth 36.0 MHz Transmit Symbol Rate 15000 Kbps EIRP at 45.8 dBW reference contour 45.3 dBw CARRIER Min Reqd Ebi/No 2.1 dB LINK PERFORMANCE Cl Sky Up Fade Dn Fade Unit DATA No of bits/symbol 2.0 Bits Satellite SFD -94.5 -94.5 -94.5 dBW/m2 Demod BT Product 1.00 Agg Input B.O. 3.0 3.0 3.0 dB Crr Noise Bandwidth 15000 KHz Input Backoff/Crr 3.3 3.3 3.3 dB Carrier Spacing 36000 KHz Crr Flux Density -97.8 -97.8 -97.8 dBW/m2 Satellite IS27 N. Atlantic UPLINK Gain of a Sq meter 44.4 44.4 44.4 dBi Location -55.5 WL BUDGET Uplink Path Losses 207.3 212.8 207.3 dB EIRP Contour at Remote 44.9 dBW Carrier Up EIRP 65.2 70.6 65.2 dBW G/T Contour at Hub 2.5 dB/K Satellite G/T 2.5 2.5 2.5 dB/K Attn Setting 10.0 dB SATELLITE Xponder Gain 186.3 dB C/N Uplink 17.2 17.2 17.2 dB DATA SFD -94.5 dBW/m2 EIRP Contour 44.9 44.9 44.9 dBW Xponder Bandwidth 36.0 MHz Agg Output B.O. 0.5 0.5 0.5 dB Agg Input BO 3.0 dB Output Backoff/Crr 0.5 0.5 0.5 dB Agg Output BO 0.5 dB Carrier Dn EIRP 44.4 44.4 44.1 dBW Uplink Frequency 14.000 GHz DOWNLINK Dnlink Path Losses 206.1 206.1 206.5 dB Dnlink Frequency 11.450 GHz BUDGET Rx Pointing Losses 0.2 0.2 0.2 dB Tx Antenna Dia 5.6 meters Cl Sky E/S G/T 11.0 11.0 11.0 dB/K HPA Max Output Pwr 750.0 Watts Degradation in G/T 0.0 0.0 1.0 dB Tx Antenna Gain 56.2 dBi C/N Downlink 6.0 6.0 4.3 dB Tx Pointing Losses 0.3 dB C/N Uplink 17.2 17.2 17.2 dB GROUND C/N Downlink 6.0 6.0 4.3 dB SEGMENT Rx Antenna Dia 0.51 meters C/I Intermod (S/C) 99.0 99.0 99.0 dB DATA C/I Uplink Adj Sat 20.4 20.4 20.4 dB Rx Antenna Gain 30.8 dBi COMPOSITE C/I Dnlink Adj Sat 12.1 12.1 12.1 dB Rx Pointing Losses 0.2 dB LINK C/I Xpol 18.4 17.5 18.3 dB Pre LNA Losses 0.3 dB C/I Intermod (E/S) 29.0 18.0 29.0 dB LNA Noise Temp 43 K Ant,etc Temp 28 K C/(Nu,d) 5.6 5.6 4.1 dB Cl Sky Noise Temp 71 K C/(Nu,d,ims/c) 5.6 5.6 4.1 dB Rx Clr Sky G/T 11.0 dB/K C/(Nu,d,im,i)Total 4.4 4.2 3.2 dB Uplink Rain Attn 5.5 dB LINK MARGIN 1.1 0.9 -0.1 dB RAIN Dnlink Rain Attn 0.4 dB Minimum Reqd Ebi/No 2.1 dB MARGINS Up Fade Pwr Cntrl 5.5 dB MODEM Minimum Reqd Ebt/No 0.3 dB Link Availability 99.0 % 10*log(Rbt/Noise BW) 3.0 dB Tx E/S Location Hagerstown Minimum Reqd C/N 3.3 dB Tx E/S Latitude 39.6 N E/S EIRP/Crr Reqd (Cl Sky) 65.2 dBW SITE Tx E/S Longitude -77.7 W Tx Gain - Pointing Loss 55.9 dB GEOGRAPHIC Tx E/S Elev Angle 38.7 deg EARTH Tx IFL Losses 0.0 dB DATA STATION Tx Power Reqd/Cxr (clear sky) 9.2 dBW Rx E/S Location London HPA 8.4 watts Rx E/S Latitude 51.5 N Uplink Power Control 5.5 dB Rx E/S Longitude -0.1 W TX Power Reqd/Cxr (full UPC) 14.7 dBW Rx E/S Elev Angle 12 deg 29.6 watts XPOL S/C Isolation 36.0 dB ISOLATION Tx E/S Isolation 35.0 dB DATA Rx E/S Isolation 20.0 dB Uplnk Free Sp Loss 206.9 dB Dnlink EIRP Dens @ Beam Peak (45.8 dBW) 9.4 dBW/4KHz MISC Dnlnk Free Sp Loss 205.7 dB LOSSES Uplink Atmos Attn 0.4 dB Dnlink Atmos Attn 0.4 dB

10/3/2012 HughesNet LINK BUDGET 3:32 PM Satellite: IS27 N. Atlantic 0.51 m Remote Located in London Skew = 33.2 deg Crr EIRP Density = 7.4 dBW/4 KHz BASELINE PARAMETERS Value Unit SUMMARY % Avail S/C Power Reqd/Crr 100.0 % % Xponder Bandwidth Reqd/Crr 100.0 % Carrier Info Rate 24000 Kbps Clear Sky Link Margin 1.3 dB Net FEC Code Rate 0.500 Power Equivalent Bandwidth 36.0 MHz Transmit Symbol Rate 24000 Kbps EIRP at 45.8 dBW reference contour 45.3 dBw CARRIER Min Reqd Ebi/No 1.2 dB LINK PERFORMANCE Cl Sky Up Fade Dn Fade Unit DATA No of bits/symbol 2.0 Bits Satellite SFD -94.5 -94.5 -94.5 dBW/m2 Demod BT Product 1.00 Agg Input B.O. 3.0 3.0 3.0 dB Crr Noise Bandwidth 24000 KHz Input Backoff/Crr 3.3 3.3 3.3 dB Carrier Spacing 36000 KHz Crr Flux Density -97.8 -97.8 -97.8 dBW/m2 Satellite IS27 N. Atlantic UPLINK Gain of a Sq meter 44.4 44.4 44.4 dBi Location -55.5 WL BUDGET Uplink Path Losses 207.3 212.8 207.3 dB EIRP Contour at Remote 44.9 dBW Carrier Up EIRP 65.2 70.6 65.2 dBW G/T Contour at Hub 2.5 dB/K Satellite G/T 2.5 2.5 2.5 dB/K Attn Setting 10.0 dB SATELLITE Xponder Gain 186.3 dB C/N Uplink 15.1 15.1 15.1 dB DATA SFD -94.5 dBW/m2 EIRP Contour 44.9 44.9 44.9 dBW Xponder Bandwidth 36.0 MHz Agg Output B.O. 0.5 0.5 0.5 dB Agg Input BO 3.0 dB Output Backoff/Crr 0.5 0.5 0.5 dB Agg Output BO 0.5 dB Carrier Dn EIRP 44.4 44.4 44.1 dBW Uplink Frequency 14.000 GHz DOWNLINK Dnlink Path Losses 206.1 206.1 206.5 dB Dnlink Frequency 11.450 GHz BUDGET Rx Pointing Losses 0.2 0.2 0.2 dB Tx Antenna Dia 5.6 meters Cl Sky E/S G/T 11.0 11.0 11.0 dB/K HPA Max Output Pwr 750.0 Watts Degradation in G/T 0.0 0.0 1.0 dB Tx Antenna Gain 56.2 dBi C/N Downlink 3.9 3.9 2.3 dB Tx Pointing Losses 0.3 dB C/N Uplink 15.1 15.1 15.1 dB GROUND C/N Downlink 3.9 3.9 2.3 dB SEGMENT Rx Antenna Dia 0.51 meters C/I Intermod (S/C) 99.0 99.0 99.0 dB DATA C/I Uplink Adj Sat 18.4 18.4 18.4 dB Rx Antenna Gain 30.8 dBi COMPOSITE C/I Dnlink Adj Sat 10.1 10.1 10.1 dB Rx Pointing Losses 0.2 dB LINK C/I Xpol 18.4 17.5 18.3 dB Pre LNA Losses 0.3 dB C/I Intermod (E/S) 29.0 18.0 29.0 dB LNA Noise Temp 43 K Ant,etc Temp 28 K C/(Nu,d) 3.6 3.6 2.0 dB Cl Sky Noise Temp 71 K C/(Nu,d,ims/c) 3.6 3.6 2.0 dB Rx Clr Sky G/T 11.0 dB/K C/(Nu,d,im,i)Total 2.5 2.3 1.2 dB Uplink Rain Attn 5.5 dB LINK MARGIN 1.3 1.1 0.0 dB RAIN Dnlink Rain Attn 0.4 dB Minimum Reqd Ebi/No 1.2 dB MARGINS Up Fade Pwr Cntrl 5.5 dB MODEM Minimum Reqd Ebt/No -1.8 dB Link Availability 99.0 % 10*log(Rbt/Noise BW) 3.0 dB Tx E/S Location Hagerstown Minimum Reqd C/N 1.2 dB Tx E/S Latitude 39.6 N E/S EIRP/Crr Reqd (Cl Sky) 65.2 dBW SITE Tx E/S Longitude -77.7 W Tx Gain - Pointing Loss 55.9 dB GEOGRAPHIC Tx E/S Elev Angle 38.7 deg EARTH Tx IFL Losses 0.0 dB DATA STATION Tx Power Reqd/Cxr (clear sky) 9.2 dBW Rx E/S Location London HPA 8.4 watts Rx E/S Latitude 51.5 N Uplink Power Control 5.5 dB Rx E/S Longitude -0.1 W TX Power Reqd/Cxr (full UPC) 14.7 dBW Rx E/S Elev Angle 12 deg 29.6 watts XPOL S/C Isolation 36.0 dB ISOLATION Tx E/S Isolation 35.0 dB DATA Rx E/S Isolation 20.0 dB Uplnk Free Sp Loss 206.9 dB Dnlink EIRP Dens @ Beam Peak (45.8 dBW) 7.4 dBW/4KHz MISC Dnlnk Free Sp Loss 205.7 dB LOSSES Uplink Atmos Attn 0.4 dB Dnlink Atmos Attn 0.4 dB

Figure 2: IS‐27 Atlantic Region Coverage


Document Created: 2012-10-04 14:18:31
Document Modified: 2012-10-04 14:18:31
© 2025 FCC.report
This site is not affiliated with or endorsed by the FCC