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Test Your Trivia:
Do you know what lighthouse this is? If so, send
us your answer, and we'll tell you if you are correct.
Good luck!
Welcome
to the Navigation Center web
site! Whether you navigate using GPS, DGPS, LORAN-C, or good-old-fashioned
paper charts and a sextant, we want to provide you with information that
will help you fix your position!
Please "hop aboard" our site and have a look around. You'll find the
latest GPS and DGPS outage information, navigation forums, almanacs, and
much, much more! And if you get lost along the way, give us a call or
send us an email, and we'll help you out the Coast Guard way: ready today,
preparing for tomorrow. All ahead full!
Captain Curtis L. Dubay, P.E.
Commanding Officer
U.S. Coast Guard Navigation Center
OBTAIN NANUS & GPS STATUS MSGS BY EMAIL
Users with an urgent need to be notified of changes
to the GPS Constellation may subscribe to the Navigation Center NANU
List Server and/or the GPS
Status Message List Server. These services provide emails containing
the NANU and/or GPS Status Messages, generally within 60 minutes of notification
by the Air Force of a change to the GPS Constellation. This is a free
service. PRIVACY INFORMATION: Disclosure of your email
address is voluntary. It is solicited for the sole purpose of delivering
the requested information to you and will not be released to any other
party.
The Navigation Center requests that you report any GPS,
DGPS, LORAN
or AIS problems that you might have experienced.
Our online forms are quick and easy to submit!
STURGEON BAY, WI DGPS UPDATE
On March 15th, the
frequency of the USCG DGPS site located at Sturgeon Bay, Wisconsin
will change to prevent potential interference with another site.
Read more...
SINGLE SIDEBAND FREQ CHANGE
Effective 0001Z
January 01, 2005, the Coast Guard changed the radio frequencies
used for initial Single Sideband voice contact with its long
range communication facilities. Read
more...
NEW GPS POLICY
On Dec. 8th, 2004
the President authorized a new national policy establishing
guidance and implementation actions for space-based positioning,
navigation, timing programs, homeland security and more. The
entire Fact Sheet is now available. Read
more...
ELECTRONIC NAV PROBLEMS?
Have you had problems
with GPS, DGPS, LORAN, or AIS? We would like to know about them!
Please report any problems you have encountered on our GPS,
DGPS, LORAN,
and AIS problem report pages.
They're easy to fill out and won't take much time.
2004 LL CORRECTION UPDATE
All online versions
of the latest 2005
Light List are now available and are updated through USCG
LNM 51-04. Each volume will be updated monthly. Read
more...
ABOUT OUR MIRROR SITE...
Please visit and bookmark our mirror
site, which is maintained to disseminate information
for GPS, DGPS, and LORAN radionavigation systems in the
event this site is unavailable. For those accessing this
site from a U. S. Coast Guard SWIII computer, further information
is available on the
Intranet site.
