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	© Copyright 1995-1996, Clay Irving All Rights Reserved

Last Update: Monday, 09-Sep-1996 10:43:23 EDT

HF Radiotelex (HF SITOR or HF NAVTEX) Broadcast Schedule
Weather, NAVAREA, HydroLant, HydroPac and other navigational safety text information, recognized by the GMDSS, are broadcast over scheduled GMDSS (Global Maritime Distress and Safety System) HF narrow-band direct printing channels from Coast Guard Communications Stations.
NAVTEX
The International Maritime Organization has designated NAVTEX as the primary means for transmitting coastal urgent marine safety information to ships worldwide. In the United States, NAVTEX is broadcast from Coast Guard facilities in Boston, Portsmouth VA, Miami FL, New Orleans LA, San Juan PR, Cambria CA, San Francisco CA, Astoria OR, Kodiak AK, Adak AK, Honolulu HI, and Guam.
- Worldwide NAVTEX Broadcast Schedule
Maritime mobile Access & Retrieval System (MARS)
A database retrieval system, developed by the International Telecommunication Union. This system allows the Maritime Community to consult the current contents of the master ITU Ship database. The main ITU database is updated daily by information notified by Adminsitrations and the MARS database is reviewed on a weekly basis. This site provides:
- Ship particulars as contained in Part III of the List of Ship Stations: shipname, call sign, MMSI/Inmarsat/Selective call numbers, AAIC, etc.
- Table of International Callsign series.
- Table of Maritime identification digits
Marine VHF channel frequencies and usage
Martime Frequencies
East Coast Ship to Shore Frequencies
South Florida Cruise Ships
From Steve St. Denis
United States Coast Guard Frequencies
- EPIRB (Emergency Position Indicating Radiobeacon
  Part of the COSPAS-SARSAT system, an international satellite-based search and rescue system, established by Canada, France, the U.S.A., and Russia.
- U.S. VHF Marine Radio Channels and Frequencies
  From the US Coast Guard Web site.
- U.S. Coast Guard HF Distress and Saftey Radio Watchkeeping Schedule
- U.S. Coast Gaurd HF Radio Facsimile Broadcast Schedule
  Weather charts and ice charts are broadcast over scheduled HF facsimile frequencies from Coast Guard Communications Stations.
- U.S. Coast Guard HF Radiotelephone (Single Sideband) Broadcast Schedule
  These frequencies are used for high seas marine weather warnings and the coast-transmit portion of radiotelephone channels used for distress and safety calls to the Coast Guard.
- U.S. Coast Guard Aircraft
- West Coast Coast Guard Frequencies
  From Bruce Varine -- General frequencies used on the West Coast, and a list of Oregon Coast Guard freqs.

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