Why do you need an MMSI for AIS?
All AIS equipment has to be programmed with the accurate MMSI (Maritime Mobile Service Identity) which is the unique identifier that Maritime Authorities worldwide award to each vessel that requires it, be it for regulatory requirement or voluntary request.
How to reprogram an AIS transponder and change the MMSI?
Normally reprogramming an AIS transponder require that you contact a certified authorised dealer. Because it is highly sensitive information, it is not a simple task.
If you have a TRUE HEADING CTRX transponder, we can reprogram it for you. Just contact us here, this is a service that we provide.