EchoStar 6 EOL - Red

SUPPLEMENT submitted by EchoStar Corporation

Supplement

2010-09-27

This document pretains to SAT-MOD-20100720-00164 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2010072000164_841746

STEPTOE &JOHNSON w A T T O RN EY S AT L aAW Pantelis Michalopoutos 1330 Connecticut Avenue, NW 202.429.6494 Washington. DC 20036—1795 pmichalo@steptoe.com Tel 2024293000 Fax 202.429.3902 steptoe.com REDACTED — FOR PUBLIC INSPECTION September 27, 2010 Via HAND DELIVERY Stephen Duall Policy Branch, Satellite Division International Bureau Federal Communications Commission 445 12th Street, SW Washington, DC 20554 Re: Supplemental Information, Application for Renewal and Extension of Authority to Operate EchoStar 6 at 61.65° W.L., File No. SAT—MOD—20100720—00164, Call Sign $2232 Dear Mr. Duall: With respect to the above—referenced satellite renewal application, EchoStar Corporation ("EchoStar"), through counsel, provides the following information regarding the continuing capabilities of the EchoStar 6 satellite. EchoStar 6 was launched in July 2000 with an original useful life of 12 years. Based on predicted remaining life and continued on—orbit spare operations at 61.5°,i ] Based on fuel measurement methods that include Pressure—Temperature—Volume ("PVT"), Bookkeeping, Propellant Gauging System ("PGS") and Propellant Depletion Gauge ("PDG") checks, [ 1 If you have any other questions regarding the EchoStar 6 satellite and the above— referenced renewal application. Please address any questions to the undersigned. wASHINGTON e NEW YORK e CHICAGO _« PHOENIX «+ LOS ANGELES _« CENTURY CITY + LONDON + BRUSSELS

REDACTED —FOR PUBLIC INSPECTION Stephen Duall September 27, 2010 Page 2 Respectfully submitted, Is/ Pantelis Michalopoulos Christopher Bjornson STEPTOE & JOHNSON LLP 1330 Connecticut Avenue, NW Washington, D.C. 20036 (202) 429—3000 Counselfor EchoStar Corporation CC. Andrea Kelly — International Bureau


Document Created: 2010-09-27 15:20:25
Document Modified: 2010-09-27 15:20:25
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