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GMDSS
GMDSS Overview
GMDSS Task Force
GMDSS Areas of Operation
GMDSS Systems
Compliance Requirements
GMDSS Statistics
GMDSS Reference Info
NAVTEX Broadcast Info
EPIRB Information
Cancelling False Alerts
Radio Info For Boaters
Comms Data Elements
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Frequently Asked Questions
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Inmarsat C SafetyNET
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
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
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
GMDSS DATA ELEMENTS
Please see our
data elements
page (PDF).