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Nationwide Differential GPS (NDGPS)
Nationwide DGPS
NDGPS Site Information and Operating Specifications
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Frequently Asked Questions
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NDGPS Partnerships
Primary Mission Areas:
Global Positioning System
Nationwide DGPS
Long Range Identification and Tracking
International Ice Patrol
Civil GPS Service Interface Committee
Automatic Identification System
Nationwide AIS (NAIS)
Electronic Navigation & Charting
Maritime Telecommunications
LORAN C (archive)
Services & Reporting:
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Maritime Information:
USCG 'Homeport' Website
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DGPS SITE LOCATIONS
