Attachment lightsquared.doc

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

IBFS_SATMOD2010111800239_912693

August 12, 2011 Marlene Dortch, Secretary Federal Communications Commission Washington, DC RE: Lightsquared Subsidiary LLC. IBFS File No. SAT-MOD-20101118-00239 Dear Ms. Dortch, It is becoming a more common place in today’s society to rely on using GPS in some form each day. This technology has advanced to become a practical application for land surveyors, engineers and contractors nation wide who use GPS for gathering data and obtaining highly accurate measurements for both the private and public sectors. As a professional land surveyor, I depend on using GPS for the majority of our company’s projects and work together with county and state agencies to provide a more universal user data base created to streamline information technologies for the benefit of the general public. Needless to say this information needs to be accurate. I have read numerous articles and several other correspondences opposing Lightsquared’s projected agenda to operate high powered broadband transmitters near the GPS spectrum. It is most concerning when several of these letters and publications are drafted from government agencies warning that studies conclude the potential interference risks to all GPS users. It seems overly burdensome for thousands of existing GPS users to lose the use of this technology as a result of signal interference caused by a single organization or be required to resort to other methods if more options exist that would not create this conflict. Please consider the option of Lightsquared using a different spectrum that would not impact the GPS signal. Sincerely, Scott Hewitt


Document Created: 2011-08-16 14:18:05
Document Modified: 2011-08-16 14:18:05
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