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!
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.
CGSIC MEETING HAS CONCLUDED
The 44th Civil Global
Positioning System Service Interface Committee (CGSIC) meeting
held in Long Beach, CA has concluded. You may review
the agenda and download the presentations. Read
more...
PHASE II HA NDGPS REPORT
The Phase
II High Accuracy NDGPS Report (pdf, 2.7 MB), concludes the
development stage for HA NDGPS. It covers objectives such as
signal analysis, data collection, operational convenience and
ease, improved HA-NDGPS system facilities and much more. Read
it now...
LORAN-C PROPOSED CHANGES
The U.S. Coast Guard
is considering moving LORAN Station Port Clarence to Nome, AK.
This proposal will affect the coverage provided by the 7960
Gulf of Alaska and 9990 North Pacific LORAN chains. Read
more...
2004 LL CORRECTION UPDATE
All online versions
of the 2004 Light
List are now available and are updated through USCG LNM 35-04. 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.