Attachment LightSquared - Eclip

This document pretains to SAT-MOD-20101118-00239 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2010111800239_867565

'\:W/w lb\ g"/rf F¥mC. ’“/f“ &5 a q January 14, 2011 Received & mspected The Honorable Julius Genachowski — Chairman, Federal Communication Commission JAN 4 g 2011 Room 8—B201 445 12th Street, SW , FCGC Mail Room Washington, DC 20554 Subject: FCC File No. SAT—Mod—20101118—00239, LightSquared Subsidiary LLC Request for Modification of Its Authority for an Ancillary Terrestrial Component Dear Mr. Genachowski: We are deeply concerned that the proposal by LightSquared referenced above will interfere with GPS receiver operation. It is imperative that the GPS national utility remain free of impediments to operation for more than 75 million North American GPS users. This is not simply a "turf war" over spectrum allocation. It is a public safety issue that would threaten the national transportation grid, national financial system, national security, and virtually everyone in the United States. The LightSquared proposal will result in an unreliable GPS signal reception with the following effects: e Inability of emergency responders to effectively answer calls e Loss of pilots‘ primary means of navigation during a final approach e Disruption of training exercises for military service members who routinely use commercial GPS systems e Loss of the precise timing provided by GPS which is essential for operation of the financial system, power ‘‘grid network synchronization, and cellular telephone system synchronization and cost accounting Furthermore, the U.S. GPS constellation is currently undergoing an $8 billion upgrade. Approval of the LightSquared proposal without adequate testing will result in a poor return on this huge taxpayer investment. We urge the FCC to conduct technical interference analysis BEFORE granting a waiver to effectively allow a reallocation of spectrum use from mobile satellite space service to terrestrial wireless service that is adjacent to the band where GPS operates. Further, we urge the FCC to consider this request from LightSquared under the Notice of Proposed Rule—Making process initiated in ET Docket No. 10—142 to ensure adequate opportunity for public comment. ;é:a’arker um o ce ab c ied so ty ts hull. uon Toueag ofi C Senior Vice President C (= >jo3% 01 19 S To d p o okie 0 Eclipse Aerospace Inc. 2503 Clark Carr Loop SE Albuquerque,NM 87106 505—724—1843‘ co: Commissioner Michael J. Copps Commissioner Robert M. McDowel! Commissioner Mignon L. Clyburn Commissioner Meredith A. Baker


Document Created: 2019-04-18 08:24:49
Document Modified: 2019-04-18 08:24:49
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