Navigation Center Logo
 DGPS Status GPS Status Active NANUs LNMs Almanacs Nav Rules Contact Us Home Search Site Map
Picture of a Lighthouse
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!

Captain Curt DubayWelcome 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!

Signature of Captain Curt Dubay
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.

LNM & LIGHTLIST NOTIFICATIONS
Users may now sign up to receive automatic notices via email when we have posted current information pertaining to the Local Notice to Mariners, Light List, Summary of Corrections, and other maritime related information.
REPORT GPS, DGPS, LORAN & AIS PROBLEMS
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?
Item: 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
Item: 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
Item: 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
Item: 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
Item: 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.

U.S. Coast Guard Bar
USCG Home Page | Webmaster | Disclaimer & Privacy | Back to Top | Updated: October 12, 2004
Link to U.S. Coast Guard site skip nav links