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VHF Marine Radio Protocols
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VHF Marine Radio Protocols
31
Nothing
Comes Close to a Cobra
®
Voice Calling &
Radiotelephone Calls
n
If the other party does not respond, wait two minutes and repeat. You are
permitted to attempt contact three times, two minutes apart. If you still have not
made contact, wait 15 minutes before trying again.
n
After communications are completed, each vessel must sign off with its call sign
or vessel name and the word “out” and return to Channel 16.
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NOTE
For best sound quality at the station you are calling, hold the microphone on the
front of the radio at least 2 in. (51 mm) from your mouth and slightly off to one
side. Speak in a normal tone of voice.
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NOTE
“Over and Out”
The most commonly misused procedure words are “over and out” within the
same transmission. “Over” means you expect a reply. “Out” means you are
finished and do not expect a reply.
For Example
30 English
Voice Calling
Voice Calling
•
You are required to listen to Channel 16 while standing by. Channel 16 is the distress
and safety channel used for establishing initial contact with another station and for
emergency communication. The Coast Guard also monitors Channel 16 for safety
purposes for everyone on the water.
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NOTE
Channel 9 may be used by recreational vessels for general-purpose calling.
This frequency should be used whenever possible to help relieve congestion
on Channel 16. The Coast Guard generally does not make urgent marine
information broadcasts or weather warnings on Channel 9. Boaters are still asked
to “keep watch” on Channel 16 whenever the radio is turned on and
not in use with another station.
To call another vessel or shore installation (e.g, lock or bridge tender):
n
Make sure the radio is On.
n
Make sure you are in standby listening mode on Channel 16. Make sure Channel
16 is not in use.
n
When the channel is open (quiet), press the
Talk
button and call a vessel. Hold
the radio or microphone several inches from your face and speak clearly and
distinctly in a normal voice tone. Say “name or station being called,” “THIS IS
[your vessel name or call sign].”
n
Once contact is made, you must leave Channel 16 and go to another working
channel. See channel listing in the appendix.
The vessel Corsair is calling the vessel Vagabond:
Corsair:
“Vagabond, this is Corsair. Over.”
Vagabond:
“Please switch and answer on Channel 68 (or any proper working channel).
Over.”
Corsair:
“Switching to Channel 68. Over.”
Radiotelephone Calls
•
Boaters may make and receive radiotelephone calls to and from any number on
the telephone network by using the services of public coast stations. For a fee,
calls can be made between your radio and telephones on land, sea and in the air.
See the appendix for the public correspondence (marine operator) channels.
If you plan to use these services, consider registering with the operator of the
public coast station that you plan to work through. These services can provide
you with detailed information and procedures to follow.
NOTICE
You may disclose privileged information during a radiotelephone call.
Keep in mind that your transmission is
NOT
private, as it is on a regular
telephone. Both sides of the conversation are being broadcast and can be
heard by anyone who has a radio and tunes to the channel you are using.
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