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Voice Calling
VHF Marine Radio Protocols
Intro
Operation
Customer
Warranty
Intro
Operation
Customer
Intro
Operation
Customer
Assistance
Assistance
Voice Calling
Assistance
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
Customer
Installation
Assistance
emergency communication. The Coast Guard also monitors Channel 16 for safety
Customer
Customer
Installation
Installation
Assistance
Assistance
purposes for everyone on the water.
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NOTE
Channel 9 may be used by recreational vessels for general-purpose calling.
Notice
Caution
Warning
This frequency should be used whenever possible to help relieve congestion
on Channel 16. The Coast Guard generally does not make urgent marine
Notice
Caution
Notice
Caution
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 station (e.g, lock or bridge tender):
Make sure the radio is On.
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Make sure you are in standby listening mode on Channel 16. Make sure Channel
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16 is not in use.
When the channel is open (quiet), press the Talk button and call a vessel. Hold
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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]."
Once contact is made, you must leave Channel 16 and go to another working
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channel. See channel listing in the appendix.
For Example
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."
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Warranty
Warranty
Warning
Warning
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VHF Marine Radio Protocols
Intro
Operation
Intro
Operation
Customer
If the other party does not respond, wait two minutes and repeat. You are
Assistance
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n
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permitted to attempt contact three times, two minutes apart. If you still have not
made contact, wait 15 minutes before trying again.
Customer
Installation
After communications are completed, each vessel must sign off with its call sign
Assistance
n
Installation
or vessel name and the word "out" and return to Channel 16.
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Intro
Operation
Customer
Secondary Icons
Assistance
NOTE
For best sound quality at the station you are calling, hold the microphone on the
Notice
front of the radio at least 2 in. (51 mm) from your mouth and slightly off to one
Caution
Customer
Installation
Assistance
side. Speak in a normal tone of voice.
Notice
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NOTE
"Over and Out"
Notice
Caution
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.
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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,
Intro
Operation
Customer
Warranty
Assistance
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
Customer
Installation
Assistance
public coast station that you plan to work through. These services can provide
you with detailed information and procedures to follow.
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NOTICE
You may disclose privileged information during a radiotelephone call.
Notice
Caution
Keep in mind that your transmission is NOT private, as it is on a regular
Warning
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.
Voice Calling &
Radiotelephone Calls
Customer
Warranty
Warranty
Assistance
Customer
Assistance
Warranty
Warning
Caution
Warning
Warning
Nothing Comes Close to a Cobra
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