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How do I enter MMSI number into VHF radio?

Author

Zoe Patterson

Updated on March 17, 2026

How do I enter MMSI number into VHF radio?

To enter the MMSI number, follow these instructions:

  1. Power ON the VHF Radio.
  2. Press the Menu button.
  3. Select DSC.
  4. Select My MMSI.
  5. For each number in the sequence, turn the channel knob clockwise to increase the number, and counter-clockwise to decrease the number.
  6. Select Accept once the MMSI number has been entered correctly.

Does DSC work without MMSI?

DSC minimizes the time necessary to establish communications, and because the initial call is made on Channel 70, this clears a lot of the DSC radio as the new USCG regulations require. You must obtain a MMSI # (Maritime Mobile Service Identity #) for your DSC radio from Boatus.com.

How do I check my MMSI number?

Instead, you may run a test call to the nationwide Coast Guard MMSI number, 003669999. Enter this number into your radio’s calling memory and select the “Test Call” option from the radio’s list of individual DSC calls, then press the “call” or “enter” key.

Do I need to register my marine radio?

In short the answer is Yes! A Marine Radio Licence is required if you are operating Marine VHF Radios (known as Short Range – SROCP) and/or MF/HF Radios (known as Long Range – LROCP). The licence has nothing to do with whether the vessel is recreational or commercial, the size of vessel or where the vessel is operated.

How do I register my MMSI number?

You can register your FCC issued MMSI number on the BoatUS website by going to the Non-BoatUS MMSI service page. Note: that if you plan to make broadcasts in foreign waters you will need to obtain a new FCC licenses.

How do I register for MMSI number?

What is MMSI number on VHF radio?

Maritime Mobile Service Identity
MMSI stands for Maritime Mobile Service Identity. It is a 9 digit unique number that is associated with your specific VHF installation, and really like a digital “Call Sign”. DSC stands for Digital Selective Calling.

Is DSC private?

GROUP CALL: See how to use your DCS equipped radio to “dispatch” a one-to-many digital message. It’s a private, highly reliable way to stay in touch.

Are DSC calls private?

Yet DSC also lets you privately request and send position data between boats. “The major advantage of DSC voice communications is that it lets you privately hail another boat and preselect a channel on which to talk.”

How do I test my DSC radio?

To perform a DSC test call, enter the Coast Guard’s coast station group identity “003669999” into the radio’s DSC memory. Once entered and stored, a DSC test call can be made by executing the following three steps: Select “Test Call” from the radio’s DSC menu, Select the USCG number entered into memory, and.

What do you need to legally use a VHF marine radio?

In order to use a VHF marine radio you must obtain a Restricted Operator Certificate (Maritime) – ROC (M).