Attachment Coordination

This document pretains to SES-STA-20120913-00820 for Special Temporal Authority on a Satellite Earth Station filing.

IBFS_SESSTA2012091300820_966315

ATTACHMENT 3 COORDINATION INFORMATION

Decerber 16, 2009 3 INTELSAT Federal Communications Commission International Bureau 445 12th Street, S.W. Washington, D.C. 20554 To Whom It May Concern: This letter certifies that Intelsat is aware that Panasonic Avionics Corporation {("PAC") is seeking FCC authorization to access Gelaxy 17 at 91° WL, as an authorized point of communication, for its eXConnect Ku—band aeronautical mobile—satelliteservice (""AMSS") system using transmit/receive antcnnas that are not strictly compliant with the FCC‘s antenna gain requirements.‘ However, as described below, the terminals comply with the FCC‘s two—degree spacing rules by maintaining offaxis EIRP spectral density levels below those set forth in analogous Ku—band earth stauons onboard vessels ("ESY") and vehicle—mounted earthstations ("VMES") rules.* Intelsat understends that PAC plans to operate two AMSS antenna types: (i) the MELCO antennas previously operated with the Connexion by Boetng system; and. i) the Aura LE antenna designed specifically for the eXConpnect system and manufactured by EMS Technologiss The MELCO antenna is a mechanically—steered Cassegrain antenna with an elliptical profile that was previously examined by the FCC and authorized for AMSS operations in experimental Call Sign WCZXVE (File No. 0002—EX—PL—2004) and commercial blanket license Call Sign E000723 (File No. SES—MOD—20030512—00639). The Aura LE anteppa is a mesbamcally stesred, flat—plate AES with two transmit/receive apertures that is similarly designed to meet the technical requirements imposed on U.S. and international AMSS operations." The basic * See 47 CFR §25.209. * See 47 CFR §25.222. * The Aura LE anterna‘s two transmit/receive apertures are coherently combined to form a single bearn. At very lowelevation angles, only the front aperture is used due to blockage. This allows the anternato maintain high performance over a largerange ofelevation angles between 5 degrecs and 90 degrees while maintaining a low profile for aerodynamic integration with an aircraft. Inteisat Corporation s 1 of 4 3400 International Orive NW, Washington DC 20008—3005USA wormnintalsatcom T+1 202—944—6800 F+1 202—944—7898

characteristics of the MELCO and Aura LE antenua are also summarized in Table 1. Table 1. Aura LE and MELCO Antenra Characteristics ___ Characteristic EMS Aura LE MELCO Reflector Frequency Tx: 14.0 GHz to 14.5 GHz Tx: 14.0 GHz to 14.4 GHz 2. Rx: 10.7 GHz to 12.75 GHz Rx: 11.2 GHz to 12.8 GHz $ INTELSAT (11.7—12.2 GHz in the U.8.) (11.7—12.2 GHz in the U.S;) § Aperture Size 2 Apertures of35" X 6" each 25.6" X 7.7" EIRP 42.5 dBW @5 deg Elevation 47.2 dBW A 48.0 dBW @ 90 degElevation . ~ HT 11 dB/K @ 5 deg Elevation 8.0 dB/K @ 11.2 to 11.7GHz 14 dB/K @90 deg Elevation 9.3 dB/K @ 11.9 to 12.8GHz Tracking Rate 40 deg/sec in Azimuth 40 deg/sec in Azimuth 25 deg/sec in Elevation 25 deg/sec in Elevation Az Pointing Accuracy 0.2 deg l—sigma 0.25 deg i—sigma Both theMELCO and AuraLE antennas are designed to maintain pointing towards | the intended satéllite through the full range of mancuvers carried out by commercial aircraft, The antennas are pointed based on aircraft position and attitude information obtained from the ARINC 429 data bus, which is standard on coramercial aircraft. This information is augmented with higher rated data from an inertial sensor package that is integrated with the antenna and compensates for INS ‘errors that result from latency and bending ofthe girframe between the aircraft INS unit and the anterna. The pointing accuracy of the MELCO reflector is 0.25 deg 1—sigma and the pointing accuracy of the EMS Aura LE antenua will be less than 0.2 deg l—sigma. Pointing error will be continuously monitored and if it ever exc?eds 0.5 degrees, then transmissions will be automatically inhibited within 100 ms. The FCC‘s off axis EIRP spectral density limnits for analogous ESV and VMES operations aredefined by Sections 25.222(a)(1} and 25.226(a)(1)(f). The effective off—axis EIRP spectral density generated by a conforming terinal will be: 15—25l0g10 (® + 0.2) dBWMAkHz for 1.5°<0<7° —6 dBW/4 kHz for 7°<80<9.2° 18—25lo0g10(® + 0.2) dBW/AkHz for 9.2°<8§48° —24 dBW/AkHz for 48%<8@<85° —14 dBWAkHz for §$5%°<@<180° where ® is the angle in degrees from the line connecting the focal point ofthe antenna to the orbital location of the target satellite. * See 47 CER. § 25.222(a)(7) (Ku—band ESVs) and § 25.226(b)(1Y(iv)(B)(Ku—band VMRSs}. ; Intesat Cotporation % 3 of 4 — 3400International Drive NW, Weshington DC 20000—3006 USA wwvms.intelsat.com T +1 202—944—5000 F41 292—944—7858

durmees es wepaiionteialaraalt The eXConnect system will limit off—axis EIRP spectral density to ao more then this level through various means, including: (f) limiting transmit power spectral density by controlling the transmit power of the terminal and by selecting lc se snbbo t appropriate carmier bandwidths; (#) controlling the off—axis gain of the antenna enear Hioralden hvilo along the GSO by inhibiting transmissions when the skew angle exceeds a e 1 puut)indoroCbinbarfolGinieh specified threshold and(fii) controlling pointing error and inhibiting transmissions $ intels ATwhsn the pointing offset exceeds a threshold of 0.5 deg. The specific transmit power, bandwidth and skew angle thresholds will be selected based on the desired terminal transmissionrates, coverage area, andsatellite performance. T coidheT Based on the foregoing factors, the MELCO antenna will operate at a maximum input power density at the antenna waveguide flange of —21.6 dBW /4 kHz, employing BPSK modulation; and the AuraLE antenna will operate at a maximum input power density at the antenna waveguide flange of —15.1 dBW M kHz, employing BPSK modulation. Even in the rare circumstance when transmitting at pointing offsets equivalent to their design tolerances, these antenna terminals are compliant with the off—axis EIRP density.level requirements specified in Sections §25.222 and §25.226, or the combined effect of §25,209and §$25.212(c) of the Commission‘s Rules, at all off—axis angles up to and including 6 degrees off—axis angle. PAC‘s conservative approach of including antenna pointing offsets in selectingthe maximurm power levels defined above ensures that the operation of . these antennas, with the associated off—axis EIRP density envelope, will not cause unacceptableinterference into adjacent satafiltes. The undersigned firther certifies that the maximurm downlink satellite EIRP density of13.0 dBW/4KHz, opersational level of the Ku—band AMSS network operated by PAC, is routinely used at 2—degree spacing without causing unacceptable interference to adjacent satellite operators. Furthermore, in order to prevent unsacceptable interference into adjacen* sateilites, Horizons and PAC ackpowledgethat the anternas will be instalied in compliance with the technical, operational and performance requirements ofPart 25 ofthe FCC. Rules and any requirements set forth in the licenses granted by the FCC for the above AMSS antenna system. Horizons and PAC confirm that ths use of the above antennas will not cause unacceptable interference into adjacent satellites in accordance with the FCC‘s two—degree spaaiag policy and accept that theseanternaswill not require more protection from adjacent satellites compared to an earth station employing en anterna conformingto the FCC antennaperformance standards defined in Section inms .. .. 25.209 of the FCC rules. If the use of this antenna should cause unacceptable interference into other systems, PAC has agreed that it will terminate transmission immediately upon notice from the affected parties. mtnm . rrmmenen.2l intesat Corporation ?-5{' 3 Gf 4 3400International Orive NW, Weshington DC 20008—3006 USA vewnsninteleatcom T+1 202—944—5800 Fa:

4“ *A Ad Jose AMbuquerque @ INTELSAT Senior Director, Spectrum Enginesring Intelsat Acceptance by PanasonicAvionics Corporation: PAC testifies that the informationprovided to Intelsat and reflected in this affidavit is true and accurate to the best of PAC‘s knowledge. { . . _$f/ 1?? f 2 4 sféif/ XL wi«fi»fi,,&yfi&w [le t —RxJ Paul Sarraffe 7 Date * * Panasonic Avionics Corporation eXConnect Systems Engineering Acceptance by SESAmericom: SES Americom agrees to the use ofthe PAC MELCO and Aura LE antenpas with : the abovepower density into the antenna flange and the uplink EIRP density level as stated in this letter, with respect to SES satellites and the associated satellite networks that are within +/— 6 degrees orbital spacing from Galaxy 17 at 91° WL. ;f %xfmw (6 bae— 0 1 K—ishJonnalagadda "— Date Manager, Spectrum Development SES Americom 48{333 3400 imferratonal Orive NW, Washington DC 20008—3006 USA wwwintelsat.com T+1 202—344—6800 F+\ 202—444—7

August 2, 2010 — @% INTELSAT. Federal Communications Commission International Bureau 445 12th Street, S.W. Washington, D.C. 20554 To Whom It May Concern: This letter supplements the letter dated December 16, 2009 from Intelsat regarding Panasonic Avionics Corporation‘s ("PAC") proposed Ku—band aeronautical mobile—satellite service ("AMSS") operations with the Galaxy 17 satellite at 91° W.L. Intelsat confirms that so long as PAC maintains FCC authority to communicate with Galaxy 17, Intelsat will include the technical parameters described in the aforementioned letter in all future satellite network coordinations for the satellite. Sincerely, 2 Auaust E& 2040 JosE Aibuquerque Date for Intelsat Acceptance by Panasonic Avionics Corporation: PAC hereby certifies that it will comply with the all coordination agreements reached by Intelsat for the G—17 satellite. [Zif S PAAMrakf2 Z/ZJ/grSL_S .P&/ Paul Sarraffe Date ~ Panasonic Avionics Corporation eXConnect Systems Engineering ol _ Page 1 of e NW, Washington DC 20008—3006 USA wwwintelsat.com T +1 202—944—6800 F+1 2%2-%4-?8%8


Document Created: 2012-09-13 17:51:08
Document Modified: 2012-09-13 17:51:08
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