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While it may take a little time and some help from your owner’s manual, ensure your DSC-VHF radio is connected to your GPS.

5 Ways to Get Your Boat’s VHF Radio Ready for the Season

In recreational boating, cellphones are just fine for routine communications. So why do you need a VHF radio – either a handheld or fixed mount – on your boat? Because in an emergency it’s the only thing that can directly connect you to the U.S. Coast Guard’s Rescue 21 system, giving you access to high-tech emergency response and Digital Selective Calling (DSC) capabilities that can hasten your rescue.

All you have to do now is to ensure VHF radio ready to go for the season. Here are five tips from the BoatUS Foundation for Boating Safety and Clean Water to get you and your radio ready.

  1. Check the antennae, power and ground to the VHF radio, and batteries/charger if a handheld. Rusty or ill-fitting connections rob your radio of range. Hand held VHF batteries need to be fully charged.
  1. Read your radio’s manual so you know features like squelch, scan, and hi/lo power settings. Familiarize yourself with the most important VHF radio channels.
  1. For those with non-DSC VHF radios, automated VHF radio check systems are no longer available. However, you can make a short radio check voice call on VHF channel 9. Using channel 9 will not tie up the distress channel 16 and potentially delay emergency communications by another boat to the U.S. Coast Guard.
  1. For those with DSC VHF radios, enter the U.S. Coast Guard coast station group identity “003669999” into the radio’s DSC memory. Once stored, 1. select “Test Call” from the radio’s DSC menu; 2. select the U.S. Coast Guard number you just entered; and 3. transmit the call. Your DSC VHF radio’s display should indicate when that test call is acknowledged and display the acknowledging station’s nine-digit identity. Note that the identity may be different than the group identity you previously entered.
  1. Get your DSC-VHF radio’s Maritime Mobile Service Identity (MMSI) number by going to MMSI numbers are free for BoatUS members or $25 for nonmembers. Don’t forget to enter the new MMSI number into your DSC VHF radio and ensure GPS connection is made (if DSC-VHF radio doesn’t have internally).

Further Reading › Seamanship › Radio › RadioBasics
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Every channel on VHF radio has a specific purpose. Channel 16 is for hailing and distress messaging only. It is meant to be monitored all the time while ... › Seamanship › Radio › DSC
Repeat, cancel DSC alert. This is the sailing vessel (name) standing by on channel 16 for any concerned traffic.” OR “US Coast Guard , ... › Seamanship › Radio › RadioLicense
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If a boater has an emergency on the water, there's no better way than to call for help than with a Digital Selective Calling (DSC) VHF radio which can give ... › Seamanship › Radio › US_VHF
These new channel numbers should eventually begin to be displayed on new models of VHF marine radios. Boaters should normally use channels listed as ... › FeatureArticles › Foghorns
Mariner Radio Activated Sound Signal (MRASS) is being installed at lighthouses in fog prone areas like New England, the Pacific Coast, and the Great Lakes to ... › Seamanship › Radio › InternationalVHF
The Table below defines the channel numbering for maritime VHF communications based on 25 kHz channel spacing and use of several duplex channels. The ... › Seamanship › Radio › RadioFreq

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