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Contacts

OST-R Office of Positioning, Navigation and Timing & Spectrum Management

Karen L. Van Dyke
Director, Office of Positioning, Navigation, and Timing (PNT)
Karen.VanDyke@dot.gov, (202) 366-3180

James A. Arnold
DOT Spectrum Lead
James.A.Arnold@dot.gov, (202) 366-8422

Elliott L. Baskerville
Electronics Engineer
elliott.baskerville@dot.gov, (202) 366-5284

National Coordination Office for Space-Based Positioning, Navigation and Timing

Harold W. Martin
Director, National Coordination Office for Space-Based Positioning, Navigation and Timing
harold.martin@gps.gov, (202) 484-4844

Commercial Trucking and Motor Coach Operations

Visit the Federal Motor Carrier Safety Administration (FMCSA) website for information concerning safety, registration and licensing and other related topics

Consumer Information on the Global Positioning System (GPS)

Visit GPS.gov to learn more about GPS, get help with address, route and map problems, and find answers to Frequently Asked Questions.

Updated: Thursday, June 1, 2017
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