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GMDSS
GMDSS Overview
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GMDSS Areas of Operation
GMDSS Systems
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Inmarsat C SafetyNET
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:
Receive Free LNM Updates
Receive Free GPS Status Messages
Receive NANU Updates
Join CGSIC (free)
Report an ATON Discrepancy or Outage
Report a GPS Problem
Report an NDGPS Problem
Report an LRIT Problem
Report an NAIS Problem
Contact Us
Maritime Information:
USCG 'Homeport' Website
CG Nat'l Distress System
Global Maritime Distress and Safety System
Marine Safety Information Broadcasts
Maritime Telecommunications
MF & HF Channels
Nav Pubs and Documents
Radio Watch Requirements
Vessel Traffic Services
VHF Channels & Freqs
GMDSS SYSTEMS
Australian AMSA
Australian GMDSS Information
FCC GMDSS Information
GMDSS Abbreviations and Acronyms
(PDF)
U.S. Coast Guard Approved Courses
GMDSS Equipment - U.S. Approved List
FCC database (Use pull down menu "Equipment Class")
GMDSS Frequently Asked Questions
GMDSS Identities and Data Elements
GMDSS Inspection Checklist
IMO Master Plan of Shore-based Facilities for the GMDSS (IMO GMDSS.1/Circ13)
GMDSS and Search and Rescue Areas
GMDSS National Implementation Task Force
GMDSS Question Pool (FCC)
GMDSS Reserve sources of electrical power
International Maritime Organization's GMDSS Documents
International Telecommunications Union Maritime Mobile Access Retrieval System
Maritime Mobile Service Identities
Maritime Safety Information Broadcasts
Qualifications for Issuance of GMDSS Endorsements [2-99]
USCG GMDSS Navigation and Inspection Circular (NVIC) 3-99
(PDF file)
