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Reprogramming the MMSI of a Vesper Marine® Transponder

What if the vessel is sold or the Vesper Marine® transponder needs to be moved my to another boat? Does the unit have to be sent back to New Zealand to reprogram the MMSI?


No, it can be reprogrammed by any Vesper Marine dealer anywhere in the world. All of our distributors can do this too. It can also be done right on the boat by any marine electronics installer.

If located outside the United States, a MMSI can be done remotely. Just log a support ticket. The information needed is a confirmation the vessel is outside the US and the model, serial number and currently programmed MMSI number.