Attachment Attachment

This document pretains to SAT-MOD-20101215-00261 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2010121500261_857030

Before the FEDERAL COMMUNICATIONS COMMISSION Washington, D.C. 20554 In the Matter of ) ) SES AMERICOM, INC. ) File No. SAT-MOD-___________ ) Call Sign S2134 Application for Modification of AMC-2 ) Fixed-Satellite Space Station License ) APPLICATION OF SES AMERICOM, INC. SES Americom, Inc. (“SES Americom,” doing business as “SES WORLD SKIES”1), hereby respectfully requests a modification of its license for the AMC-2 hybrid fixed- satellite service space station in order to reflect minor changes in the technical characteristics of the satellite’s C-band payload. Specifically, SES WORLD SKIES seeks to operate the C-band frequencies (including the C-band TT&C frequencies) on AMC-2 with polarizations that are the opposite of what was previously specified and to operate with a slightly higher C-band peak EIRP. Grant of the requested modification will serve the public interest by facilitating SES WORLD SKIES’ ability to make AMC-2 C-band capacity available to customers. A completed FCC Form 312 is attached, and SES WORLD SKIES incorporates by reference the technical information previously provided in support of AMC-2.2 In addition, SES WORLD SKIES is providing here technical information relating to the proposed 1 SES WORLD SKIES is the commercial brand name for the integrated operations of two indirect subsidiaries of SES S.A.: SES Americom and New Skies Satellites B.V. (effective January 1, 2009). The brand name does not affect the underlying legal entities that hold Commission authorizations or U.S. market access rights. 2 The most recent technical information submitted relating to AMC-2 is found in File No. SAT-MOD-20100324-00056 (the “March AMC-2 Modification”), grant-stamped June 21, 2010.

modification to the AMC-2 license on Schedule S and in narrative form pursuant to Section 25.114 of the Commission’s Rules. MODIFICATION Earlier this year, the Commission granted SES WORLD SKIES’ application for modification of the AMC-2 license to reassign the spacecraft from the nominal 101º W.L. orbital location to 78.95º W.L.3 In the March AMC-2 Modification, SES WORLD SKIES specified that the polarizations of the C-band transponders and TT&C frequencies at 78.95º W.L. would be reversed from the polarizations used at 101º W.L.4 Similarly, in the Schedule S supplied with the March AMC-2 Modification, SES WORLD SKIES provided specific polarization information that likewise indicated that the C-band polarizations at 78.95º W.L. would be the opposite of those used at 101º W.L.5 As required by Section 25.210(a)(3),6 the AMC-2 satellite is equipped with polarization switches that would permit SES WORLD SKIES to conform the C-band transponder and TT&C polarizations to those described in the March AMC-2 Modification. However, SES WORLD SKIES is concerned that switching the polarization could disrupt the operations of the spacecraft. The polarization switches are potential single points of failure. If a switch were to fail in an “in-between” configuration, it could jeopardize the ability to use either polarization of C-band frequencies on the satellite. 3 See id. 4 See id., Technical Appendix at 2. 5 See id., Schedule S, Item S9. 6 47 C.F.R. § 25.210(a)(3). 2

In light of these concerns, SES WORLD SKIES has not switched the C-band frequency polarizations to conform to those specified in the March AMC-2 Modification and would prefer not to do so. SES WORLD SKIES has been granted special temporary authority to operate with the current configuration of the spacecraft, without switching the C-band polarization.7 In order to make AMC-2 C-band capacity available as needed to respond to future customer requirements, SES WORLD SKIES now seeks modification of the AMC-2 license to authorize long term operations without switching the C-band polarization. SES WORLD SKIES also seeks to make a minor adjustment in the peak EIRP for the AMC-2 C-band payload. Specifically, SES WORLD SKIES proposes to increase the peak C-band EIRP from 42.0 dBW to 42.1 dBW. Operation of AMC-2 at 78.95° W.L. as proposed herein will not harm other operators. SES WORLD SKIES submitted a two-degree spacing analysis with the March AMC- 2 Modification showing that its planned operations were compatible with the applicable interference environment. The analysis did not rely on polarization diversity to reach this conclusion.8 As a result, the proposed operation will be consistent with the assumptions underlying the interference analysis in the March AMC-2 Modification, and the conclusions of that analysis remain valid. 7 See File No. SAT-STA-20101117-00238, grant-stamped Nov. 19, 2010 (the “AMC-2 STA”) (authorizing C-band operations with the opposite polarization sense from that authorized in the March AMC-2 Modification for a period of 30 days on a non-interference basis). Concurrently with the filing of the instant modification, SES WORLD SKIES is seeking an extension of the AMC-2 STA. 8 March AMC-2 Modification, Technical Appendix, Annex 3 at 33. 3

Furthermore, there are currently no U.S.-authorized C-band satellites in the orbital locations immediately adjacent to AMC-2 at 78.95° W.L.9 AMC-2 operations will conform to the terms of existing and future coordination agreements applicable to its operations at the nominal 79° W.L. orbital location. SES WORLD SKIES notes that as revised, the polarization sense of the C-band communications payload will be inconsistent with the framework set forth in Commission orbital assignment orders, in which two-degree adjacent C-band spacecraft have alternating polarization plans.10 That framework is designed to facilitate coordination of analog TV/FM signals among adjacent C-band satellites.11 However, because neither of the orbital locations adjacent to 79° W.L. is currently occupied by a satellite with a C-band payload, SES WORLD SKIES seeks authority to provide analog video using the AMC-2 C-band payload with its current polarization subject to terms and conditions designed to ensure that its operations do not constrain future adjacent operations. Specifically, SES WORLD SKIES requests that the Commission authorize the use of AMC-2 C-band capacity at 78.95° W.L. for analog video service as long as there is no U.S.-authorized C-band satellite operating at either the nominal 77° W.L. or 81° W.L. orbital 9 SES WORLD SKIES notes that the Venesat-1 satellite operates at 78° W.L. under a Uruguayan ITU network filing that is lower in priority than the U.S. ITU filing at the nominal 79° W.L. location. Coordination discussions with the Venesat-1 operator are in progress to ensure that operations at 78° W.L. will not negatively impact the co-frequency operations of AMC-2 at 78.95° W.L. 10 See, e.g., Assignment of Orbital Locations to Space Stations in the Domestic Fixed-Satellite Service, Order and Authorizations, 11 FCC Rcd 13788, 13796-98 (IB 1996) (identifying polarization senses for C-band satellites authorized in 1996). 11 See, e.g., Star One S.A., Order, DA 10-1957 (IB rel. Oct. 13, 2010) at ¶ 22 (the requirement for a C-band polarization switch “mitigates potential interference between adjacent FSS systems transmitting analog television signals”). 4

locations. At such time as a future U.S.-authorized satellite with a C-band payload is deployed to either of those locations, SES WORLD SKIES requests authority to provide C-band analog video services on AMC-2 only if those services have been successfully coordinated with the adjacent satellite network or networks. Grant of such authority as conditioned will serve the public interest by allowing SES WORLD SKIES the flexibility to use AMC-2 as needed for C- band analog television signals without affecting the rights of future adjacent satellite systems. For the foregoing reasons, SES WORLD SKIES seeks a modification of its license to operate AMC-2 at 78.95º W.L. in the C-band frequencies to reflect the polarization and peak EIRP changes discussed herein. Respectfully submitted, SES AMERICOM, INC. By: /s/ Daniel C.H. Mah Of Counsel Daniel C.H. Mah Karis A. Hastings Regulatory Counsel Hogan Lovells US LLP SES Americom, Inc. 555 13th Street, N.W. Four Research Way Washington, D.C. 20004-1109 Princeton, NJ 08540 Tel: (202) 637-5600 Dated: December 15, 2010 5

ATTACHMENT A TECHNICAL APPENDIX IN SUPPORT OF AMC-2 AT 78.95°W.L. 1

TECHNICAL APPENDIX 1.0 Overall Description (§25.114(d)(1)) This technical appendix is submitted in support of the AMC-2 modification application of SES Americom, Inc. (“SES Americom,” doing business as SES WORLD SKIES) seeking changes in the polarization of C-band frequencies and minor adjustments to the C-band peak EIRP values. SES WORLD SKIES hereby incorporates by reference the technical information it has already provided with respect to AMC-2,1 and provides here technical information relating to the changes proposed in the polarization and EIRP levels for AMC-2 at 78.95°W.L. No changes are proposed in the Ku-band parameters and operational modes described in the March AMC-2 Modification. The revisions described here are: a) Reversal of the C-band communications and TT&C polarizations described in the March AMC-2 Modification from vertical to horizontal, and horizontal to vertical. b) A slight change of peak C-band EIRP from 42.0 dBW to 42.1 dBW. 2.0 Schedule S (§25.114(c)) The Schedule S database included with this filing reflects the changes to the C-band operations proposed herein. Because no changes are proposed with respect to AMC-2 Ku-band operations, the attached Schedule S does not provide information concerning the AMC-2 Ku-band payload.2 This section describes changes in the Schedule S relating to the proposed operation of AMC-2 at 78.95°W.L. and addresses some items not covered in the Schedule S. 1. Transponder frequency plan. Table 1 shows the frequency and polarization plan of the modified system. The polarizations of transponders are reversed from what was described in the March AMC-2 Modification. 2. Telemetry and Telecommand (TT&C) frequencies and beams. The proposed polarizations of the TT&C carriers are reversed from what is described in the March AMC-2 Modification. 1 The most recent technical information submitted relating to AMC-2 is found in File No. SAT-MOD-20100324-00056 (the “March AMC-2 Modification”), grant-stamped June 21, 2010. 2 Information relating to AMC-2 Ku-band operations is provided in the Schedule S that was filed with the March AMC-2 Modification. 2

A global horn antenna (“GBLR”) is used for receiving telecommand carriers. The communication antennas are used for transmitting telemetry carriers for normal operation. Table 2 shows the TT&C carrier frequencies and polarizations. 3. PFD limits in C-band. The C-band PFD values are provided in Section S8 of Schedule S, and Section 3.0 below (Table 3) demonstrates that these values comply with §25.208. 4. Conversion of G/T values to Saturation Flux Density values. No change. 5. Transponder frequency response of C-band transponders. No change. 3

Table 1. C-band frequency and polarization plan Receive Transmit Channel Frequency Polarization Frequency Polarization (MHz) (MHz) 1 5945 H 3720 V 2 5965 V 3740 H 3 5985 H 3760 V 4 6005 V 3780 H 5 6025 H 3800 V 6 6045 V 3820 H 7 6065 H 3840 V 8 6085 V 3860 H 9 6105 H 3880 V 10 6125 V 3900 H 11 6145 H 3920 V 12 6165 V 3940 H 13 6185 H 3960 V 14 6205 V 3980 H 15 6225 H 4000 V 16 6245 V 4020 H 17 6265 H 4040 V 18 6285 V 4060 H 19 6305 H 4080 V 20 6325 V 4100 H 21 6345 H 4120 V 22 6365 V 4140 H 23 6385 H 4160 V 24 6405 V 4180 H Table 2: C-band TT&C carrier frequencies and polarizations Carrier type Center frequency Bandwidth Channel Beam ID (MHz) (kHz) ID Telecommand (H-pol) 6423.5 800 TC GBLRH Telemetry (H-pol) 3700.5 300 TM1 CTH Telemetry (V-pol) 4199.5 300 TM2 CTV 4

3.0 PFD limits in C-band (§25.114(d)(5) and §25.208) Table 3 demonstrates that the PFD values in C-band from AMC-2 at 78.95°W.L. comply with §25.208. Table 4 shows that the maximum PFD values in Telemetry carriers are below the allowable limits. Table 3: Maximum PFD values and margins relative to permissible limits of §25.208 (Max. PFD computed in a carrier bandwidth of 2 MHz representing TV/FM) Elevation Max. Max. PFD Permissible max PFD Margin 2 2 angle EIRP (dBW/m /4 kHz) (dBW/m /4 kHz) from (dB) (degrees) (dBW) §25.208 V-Pol 5 38.4 -154.91 -152 2.9 10 38.8 -154.51 -149.5 5.0 15 39.4 -153.91 -147 6.9 20 40 -153.31 -144.5 8.8 25 40.6 -152.71 -142 10.7 H-Pol 5 38.45 -154.86 -152 2.9 10 38.7 -154.61 -149.5 5.1 15 39.1 -154.21 -147 7.2 20 39.6 -153.71 -144.5 9.2 25 40 -153.31 -142 11.3 Table 4: Maximum PFD values in telemetry carriers, and margins relative to permissible limits of §25.208 Permissible max Max. PFD (dBW/m2/4 EIRP Max. PFD kHz) from Margin 2 Elevation angle (degrees) (dBW) (dBW/m /4 kHz) §25.208 (dB) TM2/V- 5 14.3 -170.8 -152.0 18.8 pol 10 14.7 -170.4 -149.5 20.9 15 15.3 -169.8 -147.0 22.8 20 15.9 -169.2 -144.5 24.7 25 16.5 -168.6 -142.0 26.6 Global max 18.0 -167.1 -142.0 25.1 TM1/H- 5 14.4 -170.7 -152.0 18.7 pol 10 14.6 -170.5 -149.5 21.0 15 15.0 -170.1 -147.0 23.1 20 15.5 -169.6 -144.5 25.1 25 15.9 -169.2 -142.0 27.2 Global max 16.7 -168.4 -142.0 26.4 5

4.0 Satellite Antenna Gain Contours (§25.114(d)(3)) Annex 1 shows the typical antenna gain contours for 4 different cases: transmit and receive beams in H- and V-polarizations.3 The peak EIRP and G/T values in different beams are shown in Table 5. 1. CRV.gxt (V-pol, receive beam) 2. CTV.gxt (V-pol, transmit beam) 3. CRH.gxt (H-pol, receive beam) 4. CTH.gxt (H-pol, transmit beam) Table 5: Maximum EIRP and G/T values Beam File name in Max. EIRP, Max. G/T, Schedule S dBW dB/K CRV (C-band, V-pol, receive beam) CRV.gxt 4.05 CTV (C-band, V-pol, transmit beam) CTV.gxt 42.1 CRH (C-band, H-pol, receive beam) CRH.gxt 5.82 CTH (C-band, H-pol, transmit beam) CTH.gxt 40.8 5.0 Emission Designators and Link Budgets (§25.114(d)(4)) Tables 6 and 7 show the emission designators and typical link budgets. The TT&C link budgets are shown in Tables 8 and 9. 3 Because the changes proposed herein do not affect the antenna gain characteristics of the global horn antenna, SES WORLD SKIES is not submitting new data for that antenna in Annex 1 or in the Schedule S being filed with the instant modification. Instead, SES WORLD SKIES incorporates by reference the global horn antenna gain information provided in the March AMC-2 Modification. See March AMC-2 Modification, Technical Appendix, Annex 1, Figure 9. In that application, SES WORLD SKIES requested and received a waiver of the requirement in Section 25.114(d)(3) to file gain information for the global horn antenna in .gxt format. See March AMC-2 Modification, grant-stamp at ¶ 7. 6

Table 6: Link budgets for 7 typical C-band carriers H_C I_C J_C K_C L_C M_C Parameter Digital TV Digital TV Digital TV Digital TV, MCPC, 110 56 Kbps, SCPC, 1.544 Mbps, SCPC, MCPC, 40 MBPS, SCPC, 8 MBPS, MCPC, 60 MBPS, 16QAM, 7/8 RS QPSK, ¾ RS QPSK, ¾ RS QPSK, ¾ RS QPSK ¾ RS MBPS, 8PSK, 2/3 RS Carrier designation 36M0G7W 6M95G1W 36M0G7W 36M0G7W 100KG1D 1M60G1D Throughput rate, Mbps 40 8 60 110 0.056 2 Symbol rate, MHz 28.8 5.8 32.6 34.1 0.037 1.0 FEC rate 0.69 0.69 0.61 0.81 0.75 0.75 Uplinks: Transmit Power (dBW) 17.1 9.6 25.1 25.1 -3.4 11.8 Transmit Loss (dB) 0.5 0.5 0.5 0.5 0.5 0.5 Antenna diameter (m) 10 10 10 10 4.5 4.5 Antenna Gain (dBi) 54.4 54.4 54.4 54.4 47.4 47.4 Ground Station EIRP (dBW) 71.0 63.5 79.0 79.0 43.5 58.7 Uplink Rain Loss (dB) 1 1 1 1 1 1 Free Space Loss (dB) 200.1 200.1 200.1 200.1 200.1 200.1 Satellite G/T (dB/K) 0 0 0 0 0 0 Data Rate (dB-Hz) 76 69.0 77.8 80.4 47.5 61.9 Boltzmann’s Constant (dBW/K- 228.6 228.6 228.6 228.6 228.6 228.6 Hz) Eb/No (dB) 22.5 22.0 28.7 26.1 23.5 24.3 Eb/Io (dB) 18 18 18 18 18 18 Total Eb/(No + Io) (dB) For 10- 16.7 16.5 17.6 17.4 16.9 17.1 7 (Table continued on the next page) 7

Table 6: Link budgets for 7 typical C-band carriers (cont’d) H_C I_C J_C K_C L_C M_C Parameter Digital TV Digital TV Digital TV Digital TV, MCPC, 110 56 Kbps, SCPC, 1.544 Mbps, SCPC, MCPC, 40 MBPS, SCPC, 8 MBPS, MCPC, 60 MBPS, 16QAM, 7/8 RS QPSK, ¾ RS QPSK, ¾ RS QPSK, ¾ RS QPSK ¾ RS MBPS, 8PSK, 2/3 RS Carrier designation 36M0G7W 6M95G1W 36M0G7W 36M0G7W 100KG1D 1M60G1D Downlinks: Satellite Carrier EIRP (dBW) 38 28 38 40 8 25.2 Downlink Rain Loss (dB) 0.5 0.5 0.5 0.5 0.5 0.5 Free Space Loss (dB) 196.3 196.3 196.3 196.3 196.3 196.3 Ground station antenna dia, m 3.8 6 10 10 6 6 Ground Station G/T (dB/K) 21.8 25.2 33.2 33.2 23.0 23.0 Eb/No (dB) 15.6 16.0 25.2 24.6 15.3 18.1 C/IM 18 18 18 Eb/IMo (dB) 16.6 16.2 16.2 C/I 16.0 16.0 20.0 22.0 16.0 16.0 Eb/Io (ASI) 14.6 14.6 17.3 16.9 14.2 14.2 Eb/Io (dB) 14.6 12.5 17.3 16.9 12.1 12.1 Eb/(No + Io) (dB) 12.1 10.9 16.7 16.2 10.4 11.1 Total UP/DOWN C/(N+I) (dB) 13.5 12.3 19.3 21.3 12.2 12.9 Total UP/DOWN Eb/(No+Io) (dB) 10.8 9.8 14.1 13.8 9.5 10.2 Required Eb/No (dB) 5.4 5.4 7.2 11.5 5.4 5.4 Required C/N (dB) 6.8 6.8 9.9 16.6 7.2 7.2 Margin (dB) 5.4 4.4 6.9 2.3 4.1 4.8 8

Table 7: Link budgets for TV/FM in C-band Typical Parameter TV/FM link Carrier designation 36M0F3F Noise bandwidth (MHz) 36.0 Uplinks: Transmit Power (dBW) 20.7 Transmit Loss (dB) 0.5 Antenna diameter 6.1 Antenna Gain (dBi) 49.8 Ground Station EIRP (dBW) 70.0 Uplink Rain Loss (dB) 1 Free Space Loss (dB) 200.1 Satellite G/T (dB/K) 0 Boltzmann’s Constant (dBW/K-Hz) 228.6 C/N (dB) 21.9 C/I ASI (dB) 22.0 C/(N+I), dB 19.0 Downlinks: Satellite Carrier EIRP (dBW) 38 Downlink Rain Loss (dB) 0.5 Free Space Loss (dB) 196.3 Ground station antenna dia (m) 6 Ground Station G/T (dB/K) 23.0 C/N (dB) 17.2 C/I (dB) 18.0 C/(N+I) (dB) 14.6 C/(N+I), Up & DL, dB 13.2 C/(N+I) required (dB) 11 Margin (dB) 2.2 9

Table 8: Command carrier link budget (C-band, uplink) Uplink Flux Density dBW/m2 -80 Isoropic Aperture dB-m2 -37.6 Coupler loss dB -0.3 Polarization loss dB -0.1 S/C antenna gain dB 3 Scattering interf. loss dB -1 Cable VSWR Loss dB -5.2 Circuit losses dB -7 Received input power dBW -128.2 Required input power dBW -138 Margin dB 9.8 Table 9: Budget for C-band telemetry (downlink) S/C EIRP dBW 14.3 Path Loss dB -196.9 Rain Loss dB -1.1 Polarization loss dB -0.3 Ground station pointing dB -0.5 loss Ground station G/T dB/K 31 Boltzmann constant dB-Hz K/W 228.6 Carrier to noise density dB-Hz 75.12 Modulation loss dB -4.8 1/bitrate (4096 BPS dB-bps -36.1 Telemetry) Implementation loss dB -3 Received Eb/No dB 31.22 Required Eb/No dB 11.3 Eb/No margin dB 13.16 10

6.0 Two Degree Spacing Analysis (§25.114(d)(7) and §25.140(b)(2)) Annex 3 to the Technical Appendix for the March AMC-2 Modification demonstrated the compatibility of AMC-2 at 78.95° W.L. 1.95 degrees away from other spacecraft. The changes proposed herein do not affect that analysis.4 7.0 Mitigation of Orbital Debris (§25.114(d)(14) The information required under Section 25.114(d)(14) of the Commission’s Rules was provided with the March AMC-2 Modification and is unchanged. 4 The analysis did not take into account polarization diversity, and any effect of the small proposed increase in peak C-band EIRP from 42.0 to 42.1 dBW on the interference environment will be negligible. 11

ANNEX 1 COVERAGE MAPS 12

Fig 1. Transmit beam CTH C-band, H-pol, Antenna peak gain: 30.3 dB, peak EIRP: 40.8 dBW FT 80.00 0° 5° -6 -4 60.00 10° -2 -2 North Latitude (Degrees) 40.00 0° 5° 4 0.80 -4 -1 5 -2 -6 -4 -6 -2 -1 0 -4 20.00 -8 -1 0 -6 10° -1 5 -2 0 -1 5 -8 -8 -6 -3 0 -3 0 ° -1 0 -1 5 -2 0 0.00 5° -3 0 -160.00 -140.00 -120.00 -100.00 -80.00 -60.00 East Longitude (Degrees) 13

Fig 2. Receive beam CRV C-band, V-pol, Antenna peak gain: 31.3 dB, peak G/T: 4.05 dB/K FT 80.00 0° 5° -1 0 -1 0 60.00 -8 10° -6 -4 -2 North Latitude (Degrees) 40.00 -4 0° 4 .05 5° -1 0 -4 -6 -8 -2 -6 -4 -4 -8 -8 -1 0 -6 -8 -1 5 20.00 -1 5 -2 0 -8 10° -4 -6 -2 0 -8 -1 0 -3 0 -1 5 0° -3 0 -2 0 -3 0 5° -1 5 0.00 -160.00 -140.00 -120.00 -100.00 -80.00 -60.00 East Longitude (Degrees) 14

Fig 3. Transmit beam CTV C-band, V-pol, Antenna peak gain: 31.0 dB, peak EIRP: 42.1 dBW FT 80.00 -1 0 0° 5° -1 0 -8 60.00 -4 10° -6 North Latitude (Degrees) -4 -2 40.00 0° 5° -1 0 4 2.1 0 -2 -6 -4 -8 -6 -2 -1 0 -8 -4 20.00 -6 -1 5 10° -8 -6 -2 0 -8 -1 0 -2 0 -3 0 ° -1 5 -2 0 5° -3 0 0.00 -140.00 -120.00 -100.00 -80.00 -60.00 East Longitude (Degrees) 15

Fig 4. Receive beam CRH C-band, H-pol, Antenna peak gain: 32.9 dB, peak G/T: 5.82 dB/K FT 80.00 0° 5° -3 0 -1 5 -2 0 60.00 -1 5 10° -8 -6 -1 0 -4 North Latitude (Degrees) -2 -6 -8 -4 40.00 0° 5 .82 5° -6 -2 -4 -8 -6 -1 0 -1 0 -8 -2 0 20.00 -1 0 -1 5 -4 10° -1 0 -6 -2 0 -8 -2 0 -1 5 -1 5 -2 0 ° -3 0 -2 0 -3 0 0.00 5° -160.00 -140.00 -120.00 -100.00 -80.00 -60.00 East Longitude (Degrees) 16

Engineering Declaration Declaration of Krish Jonnalagadda I, Krish Jonnalagadda, hereby certify under penalty of perjury that I am the technically qualified person responsible for preparation of the technical information contained in the foregoing exhibit; that I am familiar with the technical requirements of Part 25; and that I either prepared or reviewed the technical information contained in the exhibit and that it is complete and accurate to the best of my knowledge, information and belief. _/s/_Krish Jonnalagadda___________________ Manager, Spectrum Development SES Americom, Inc. Dated: December 15, 2010 17


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