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Nationwide Differential GPS (NDGPS)
Nationwide DGPS
NDGPS Site Information and Operating Specifications
NDGPS Coverage Plots
Current NDGPS Site Outages
Report an NDGPS Problem
Canadian DGPS Status Info
Frequently Asked Questions
Reference Information
NDGPS Partnerships
Primary Mission Areas:
Nationwide DGPS
Long Range Identification and Tracking
Nationwide AIS (NAIS)
Local Notice to Mariners
Light Lists
Civil GPS Service Interface Committee
Global Positioning System
Electronic Navigation & Charting
LORAN C (archive)
Services & Reporting:
Receive Free LNM Updates
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Join CGSIC (free)
Report an ATON Discrepancy or Outage
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Contact Us
Maritime Information:
USCG 'Homeport' Website
Maritime Telecommunications
CG Nat'l Distress System
Global Maritime Distress and Safety System
Marine Safety Information Broadcasts
MF & HF Channels
Nav Pubs and Documents
Radio Watch Requirements
Vessel Traffic Services
VHF Channels & Freqs
NDGPS EXECUTIVE STEERING COUNCIL
NDGPS SUPPORT
Western Governors Association (pdf)
BACKGROUND DOCUMENTS
NDGPS Cost Sharing Report to Congress April 2001 (pdf)
NDGPS MOA Feb 99 (pdf)
NDGPS PIT Cost - Benefit Report 1998 (pdf)
Public Law 105-66 (pdf)
StateDOTusesofDGPS (pdf)
Articles and Information (pdf)
ARTICLES and INFORMATION
GPS World
Article April 20th, 2002 (pdf)
An Investigation of the use of DGPS Technology within State and Local DOTs (doc)
