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RSS Feeds (LNMs, LL Corrections)
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The Navigation Center has a new tool to enable commercial vessel owners/operators to verify the accuracy of their Automatic Identification System (AIS) broadcast information. We encourage you to visit the Vessel Information Verification Service ("VIVS"). Your feedback is welcome. |
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Below Zero: International Ice Patrol (IIP) today: read the series about all things cold weather – IIP's missions, operations, and safety guidance. |
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A printable version of the amalgamated Navigation Rules, including Annexes, Implementing Rules, Penalties & Bridge to Bridge regulations, is available for download (only 12 pages if printed double-sided). |
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The 2017 Light Lists have been published and are now available for download from our website. |
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The unclassified paper Best Practices for Improving the Operation and Development of GPS Equipment Used by Critical Infrastructure, co-authored by the National Cybersecurity & and Communications Integration Center, and National Coordinating Center for Communication, is available for download. The 21-page document recommends installation and operation strategies to improve the resilience of equipment receiving. |
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A leap second will be applied to Coordinated Universal Time on 31 December 2016. To be fully prepared, please read the "Best Practices for Leap Second Event Occurring on 31 December 2016" document, sponsored by the DHS's National Cybersecurity and Communications Integration Center in coordination with the U.S. Naval Observatory, National Institute of Standards and Technology, the USCG Navigation Center, and the National Coordination Office for Space-Based Positioning, Navigation and Timing. |
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The International Telecommunications Union has amended the VHF maritime radio channel numbering scheme which will affect 18 channels used in the U.S. New VHF radios will eventually begin using this scheme. Changes to U.S. channel numbers are shown on our U.S. VHF Channels page. |
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In collaboration with the Department of Transportation and U.S. Army Corps of Engineers, the U.S. Coast Guard has reduced number of Differential GPS sites throughout the country, while maintaining coverage in major maritime ports and waterways. The FRN and graphics depicting the changes to the system are available on our DGPS General Information Page. |
