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Radio watchkeeping regulations advise all sea bound vessels to monitor channel 16 VHF when sailing, except when communicating on other marine channels for legitimate business or operational reasons. Coast guards and others are permitted to broadcast short informative safety messages on channel 16;
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however, it is an offence in most countries to make false "mayday" calls. When using the channel to call up ships or shore stations, the call has to be switched to a working channel after the initial response in order to keep channel 16 available to others.
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priority calls, the frequency may also carry routine calls used to establish communication before switching to another working channel.
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65:) as a distress, safety and calling channel, and it is monitored 24 hours a day by many
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115:Graham Lees; William Williamson (4 July 2013).
8:
16:Radio frequency on the marine VHF radio band
171:. US Coast Guard Auxiliary. Archived from
118:Handbook for Marine Radio Communication 5E
121:. Taylor & Francis. pp. 148–.
107:
55:International Telecommunication Union
7:
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169:"Marine Radio Watch Requirements"
149:. U.S. Dept. of Homeland Security
211:International telecommunications
143:"RADIO WATCHKEEPING REGULATIONS"
31:international distress frequency
1:
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33:. Primarily intended for
206:Emergency communication
61:channel 16 (156.8
216:Maritime communication
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57:(ITU) has established
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80:Radio silence clock
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69:around the world.
128:978-1-134-46377-0
29:designated as an
22:(156.8 MHz) is a
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201:Distress signals
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147:U.S. Coast Guard
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49:Authorized usage
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27:radio frequency
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20:Channel 16 VHF
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179:26 September
177:. Retrieved
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151:. Retrieved
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67:coast guards
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195:Categories
102:References
24:marine VHF
153:17 March
85:See also
35:distress
39:urgency
221:Rescue
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43:safety
181:2022
155:2017
123:ISBN
53:The
41:and
63:MHz
59:VHF
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37:,
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131:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
