Attachment Erratum

This document pretains to SAT-AMD-20040319-00041 for Amended Filing on a Satellite Space Stations filing.

IBFS_SATAMD2004031900041_370696

HOGAN & HAIUSON M I S A. HASTINGS COUNSEL (202) 637-5767 KAHASTINGS@HHLAW. COM WWW.HHLAW.COM BY HAND DELIVERY RECEIVED Ms. Marlene H. Dortch 2 1 2004 Secretary FfoEmLC~MUNlCATlONSC O ~ I ~ ~ Federal Communications Commission OFFICE OF THE SECRETARY 445 12th Street, S.W. Washington, D.C. 20554 Re: Erratum to File No. SAT-AMD-20040319-00041 Dear Ms. Dortch: SES AMERICOM, Inc., by its attorneys and pursuant to discussions with International Bureau staff, hereby submits an erratum to the above-referenced amendment, which proposes the re-location of AMC-9 to 83” W.L. in early 2005 (the “Amendment”). Attached are corrected pages A-12 through A-14 of the narrative technical appendix of the Amendment, with Tables 20bis, 2 Ibis, 27bis, and 28bis. The numerical data presented in these tables are unchanged. However, SES AMERICOM has corrected typographical errors in the description of certain parameters in the tables, revising the parameter labels t o reflect the terminology more typically used in reference t o analog carriers. SES AMERICOM requests that the attached pages be substituted for the corresponding pages of the Amendment. Please direct any questions regardmg this submission to the undersigned. Respectfully submitted, Karis A. Hastings Counsel for SES AMERICOM, Inc. Attachment cc: Jennifer Gilsenan Robert Nelson Kal Krautkramer BERLIN BRUSSElS LONDON PANS BUDAPEST PRAGUE WARSAW MOSCOW TOKYO NEWYORK MLTIMORE McLEAN MlAMl DENVER BOULDER COLORADOSPRINGS LOSANCELES

Table 20bis Uplink Link Budget Calculations TV/FM I Parameter I TV/FM 1 Table 21bis Downlink Link Budget and Overall Calculation TV/FM Parameter TV/FM Page A-I2

Table 22 Ku-Band Earth Station Sizes Used in Link Budget Analysis Carrier Type Earth Station Diameter Earth Station Diameter Uplink (meters) Downlink (meters) Table 2 7bis Uplink Link Budget Calculations TV/FM Parameter W/FM Transmit Power(dB W) 22.00 Transmit Loss (dB) - 1 .oo Antenna Gain (dBi) 57.20 Ground Station EIRP (dBW) 78.20 Uplink Rain Loss (dB) -2.00 Free Space Loss (dB) -207.50 Satellite G/T (dB/K) -2.00 Bandwidth (dB-Hz) 75.56 Boltzmann’s Constant (dBW/K-Hz) -228.60 C M (dB) 19.74 C/I (dB) 25.00 ,Total C/(N + I) (dB) 18.61 Page A-1 3

Table 28bis Downlink Link Budget and Overall Calculation TWFM Parameter I TV/FM I Satellite Camer EIRP (dBW) 49.40 Downlink Rain Loss (dB) -3.00 Free Space Loss (dB) -206.30 Ground Station G/T (dB/K) 29.36 Bandwidth (dB-Hz) 75.56 Boltzmann’s Constant (dBWK-Hz) -228.60 C/N (dB) 22.50 CA (dB) 24.00 C/(N + I) (dB) 20.18 Total UPDOWN C/(N+I)(dB) 16.31 Required 12.00 Margin 4.3 1 - 4.0 Spacecraft Bus Description 4.1 Electrical Power Subsystem The power subsystem provides electrical power generation, storage, conditioning and distribution to ensure uninterrupted communications services over the life of the mission. The solar array will provide sufficient margin to perform the mission over the spacecraft’s 15-year life. The original application for AMC-9 provided the end-of-life power budget. Table 30a below provides the beginning-of-life (“BOL”) power budget. Page A-14


Document Created: 2004-04-27 15:20:05
Document Modified: 2004-04-27 15:20:05
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