US Department of Homeland Security – United States Coast Guard
The Navigation Center operates services and provides information that enhances the safety, security, and efficiency of US waterways and civil GPS users. These services include:
- Operating the Nationwide Differential GPS System
- Operating the Long Range Identification and Tracking business helpdesk
- Operating the Nationwide Automatic Identification System
- Publishing Notices to Mariners and the Light List
- Disseminating navigation information through 24/7 operations center and the NAVCEN website
- Managing the Integrated Aids to Navigation Information System
- Managing electronic charting portfolios for US Coast Guard units
- Serving as the primary US government interface with GPS users (except aviation and military)
- Receiving and coordinating investigation of GPS outage reports
