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News and Notices:

Item: Get the latest News and Updates RSS Feeds (LNMs, LL Corrections)
Item: The GPS Directorate has released a paper informing the public about the recent anomalous behavior of the 'Issue of Data, Clock' (IODC) and the 'Issue of Data, Ephemeris' (IODE) parameters in the GPS broadcast Legacy Navigation(LNAV) messages.   You may read the document here...
Item: The U.S. Coast Guard, the Department of Transportation, and the U.S. Army Corps of Engineers have released a Federal Register Notice seeking comment on a proposed plan to reduce the number of Differential GPS sites around the United States, while maintaining coverage in major maritime ports and waterways. The comment period ends on November 16, 2015.
Item: The DHS National Coordinating Center for Communications has issued a paper titled "Best Practices for Leap Second Event Occurring on 30 June 2015." You may view it as a PDF document.
Item: The DOT Office of the Assistant Secretary for Research and Technology at the U.S. Department of Transportation has released the 2014 Federal Radionavigation Plan signed by the Secretaries of Defense, Transportation, and Homeland Security.  You may view it as a PDF document.
Item: A quarterly meeting of the U.S. GPS Program's interagency Civil Navigation Signals (CNAV) Tiger Team occurred 5 March 2015 to discuss the new L2C and L5 GPS civil signals.  Please see our CNAV Performance page for more information.
Item: You are invited to visit the 21st Century Waterway Feedback Website to share your comments/feedback on the joint agency initiative that will determine user requirements and emerging needs for navigation information and/or services. The USCG, NOAA, and USACE are collaborating in the eNAV environment to promote safety and efficiency on the Marine Transportation System. For more info, please view our 21st Century Waterway Feedback information sheet. Within the sheet, you will find links to the presentations from each agency.
Item: CONSUMER ALERT: Using or importing cell jammers, GPS jammers, or other jamming devices is illegal. Please read Public Notice Doc. 39135/1, which is a consumer alert advising consumers of the law and penalties regarding jamming.