GPS IIF satellite CNAV Message Broadcasts Begin April 28

The Air Force now broadcasts civil navigation (CNAV) messages on all operational GPS satellites capable of transmitting the L2C and L5 signals.

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  • Congressional Newsletter Published July 21 (Jul 21) The latest issue of GPS Tracker includes updates on GPS program funding, LightSquared-related legislation, and recent Supreme Court action protecting location privacy in cell phones.
  • Defense Spending Bill on Track for GPS Budget Increase Compared to FY 2015 Request (Jul 18) Yesterday, the Senate Appropriations Committee marked up the defense funding bill for FY 2015, providing $1.0369 billion for the Air Force GPS program. That is $23.4 million above the request. The committee concurred with the House's recommendation to add $30 million to GPS III advance procurement in order to continue buying two new satellites per year. The Senate appropriators offset the increase with a $6.6 million cut to GPS III launch support and on-orbit check-out. They also earmarked $20 million in development funds to mature an alternate digital payload for GPS III.
  • New GPS Tracker Newsletter Published (Jun 30) Our June 30 newsletter highlights the new legislation on GPS vehicle tracking, provides a status update on GPS appropriations, and describes two recent FCC activities related to GPS.
  • House Appropriators Forego Bill Language on LightSquared Interference Issue (Jun 30) The House report to accompany the FY 2015 bill that funds the FCC states that LightSquared's 2011 authorization from the FCC has expired, so the appropriations committee did not address the GPS interference matter with bill language, as they had in previous appropriations acts.
  • Transportation Bill Bars Government from Mandating GPS Vehicle Tracking (Jun 17) The House version of the FY 2015 transportation spending bill prohibits the use of funds to mandate GPS tracking or event data recorders in personal motor vehicles.
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