Official U.S. government information about the
Global Positioning System (GPS) and related topics
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Latest News
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PNT Advisory Board to convene May 4-5, 2022
(Apr 5) The National Space-Based Positioning, Navigation, and Timing Advisory Board (PNTAB) will convene its 26th meeting in Annapolis, MD, on May 4-5, 2022. The meeting is open to the public. More -
Updated GPS III antenna phase center offsets, other data released
(Mar 25) Lockheed Martin Space has released updates to the GPS III SV01 (SVN74) thru SV04 (SVN77) antenna phase center offsets of the L1, L2 and L5 signals for the Earth Coverage (EC) antenna deck. These values are predicted with respect to the Space Vehicle center of mass at the end of year one on-orbit. Additionally, Lockheed Martin Space has released initial antenna phase center offset, Timing Group Delay (TGD), and Inter-Signal Correction (ISC) values for SV05 (SVN78). The TGD and ISC values for SVN 78 were measured at the factory. More -
FCC, NTIA establish spectrum coordination initiative
(Feb 15) The Federal Communications Commission (FCC) and National Telecommunications and Information Administration (NTIA) today announced a new initiative to improve U.S. government coordination on spectrum management. The Spectrum Coordination Initiative will involve actions by both agencies to strengthen the processes for decision making and information sharing and to work cooperatively to resolve spectrum policy issues. More
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