D1R Technical Supp (

SUPPLEMENT submitted by DIRECTV Enterprises, LLC

D1R Technical Supplement

2012-01-05

This document pretains to SAT-A/O-20111205-00233 for Authority to Operate on a Satellite Space Stations filing.

IBFS_SATAO2011120500233_933049

January 5, 2012 BY ELECTRONIC FILING Marlene H. Dortch, Secretary Federal Communications Commission 445 Twelfth Street, S.W. Washington, DC 20554 Re: IBFS File No. SAT-O/A-20111205-00233 Dear Ms. Dortch: At the request of the International Bureau staff, DIRECTV Enterprises, LLC (“DIRECTV”) hereby provides supplemental technical information in support of the above referenced application to operate DIRECTV 1R at the 109.8° W.L. orbital location. Specifically, information regarding the approximate amount of residual helium and xenon gas that cannot be vented at the end of operational life is as follows: TANK VOLUME (M3) PRESSURE (KPA) TEMP. (° C) MASS (KG) HE1 0.0428 4050 20 0.2790 HE2 0.0429 4050 20 0.2798 XE1 0.0325 1820 20 3.5775 XE2 0.0326 1820 20 3.5838 Should you have any questions, please do not hesitate to contact me. Respectfully submitted, /s/ William M. Wiltshire Counsel for DIRECTV


Document Created: 2012-01-05 14:07:00
Document Modified: 2012-01-05 14:07:00
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