Attachment LightSquared - Natio

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

IBFS_SATMOD2010111800239_910767

o 0 N d 412 West Market St. — PO Box 297 + Pottsville, PA 17901 a lonWl e 570 622—2876 + Fax: 570 622—1118 .cc z nwls.llc@gmail.com LAND SERVICES, LLC www.nationwidelandservices.com Received & inspected JUL 2 7 2011 FCC Mail Room TBheke# 11109 July 21, 2011 Mr. Julius Genachowski, Chairman Federal Communications Commission 445 12"" Street SW Washington, DC 20554 Dear Chairman Genachowski: As a land surveying firm with licensed Professional Land Surveyors operating in New Jersey, I must express serious concerns regarding the Federal Communications Commission (FCC) granting LightSquared, LLC —conditional approval :to —build a nationwide 4G—LTE wireless broadband—network :(FCC File No:. SAT—MOD—20101118— 00239). —Early testing by GPS technology leaders, .Garmin and: Trimble Navigation; demonstrated that L1ghtSquared’s technology,— would: ~likely interfere— with..Global Positioning System (GPS) receivers,. degrading their performance in the—best: case scenario and completely jamming GPS receivers in the worst case scenario. The Department of Defense, FAA, DHS, NASA, DOI, DOT, DOC, and the Professional Land Surveying and Engineering professions, have all expressed serious reservations in regards to this plan by LightSquared, LLC to build 40,000 ground stations in the U.S. that could cause widespread interference to GPS signals. This network of ground stationswill transmit signals within the L—band frequency immediately adjacent to the GPS L1 frequency at more than one billion times the strength of the low—power GPS signal from space. Furthermore, each mobile phone using LightSquared‘s wireless service would potentially become a portable GPS jamming device by jamming GPS receivers in its immediate vicinity. - High—precision GPS equipment used by Land Surveyors and other geomatics professionals costing thousands of dollars per receiver would be more adversely affected than the consumer GPS devices given their inherent design. Literally, tens of thousands of high—precision GPS receivers are used. in the United>States. —GPStechnology has transformed the way we build and manage out 1nfrastructure adding a tremendous level of efficiency to the design, construction, and mamtenanceof roads br1dges commerc1al properties, residential subdivisions; parks;—farms, golfcourses, etc..GPS has become—an essential tool for design professionals and it is 1mperat1ve that these—GPS—31gnals are not jeopardized by broadband technology. » sn

This situation has the potential of becoming a tremendous public safety issue and an economical disaster not only for New Jersey, but also for the United States as a whole. The members of the New Jersey Society of Professional Land Surveyors urge you to reject the LightSquared application until such time that all tests conclusively demonstrate there is no risk of interference. Very truly yours,


Document Created: 2011-08-08 18:09:45
Document Modified: 2011-08-08 18:09:45
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