The International Earth Rotation
and Reference Systems Service has announced the introduction
of a leap second to occur at the end of Dec 2008...Read
the entire NANU...
The Coast Guard is pleased to
announce the availability of CG type-approved AIS Class B devices.
Unfortunately, older AIS software may not discern them. Read
additional information in our Safety
Alert 10-08 or see our AIS
Notices page for more information.
Volume 5 of the 2008 Coast Guard
Light List, originally published in September 2008, included
information that is not accurately illustrated.
Read more, including potental solutions... (PDF, 55K)
Users of semi-codeless/codeless
receiving equipment are expected to transition to using GPS
civil-coded signals by Dec. 31, 2020.
Read the announcement... (PDF, 55K)
