Click through this and find the link for one of my stories on MMSI #’s and your electronics, could be helpful…
If you’ve got a VHF, HF, EPIRB or any of the other electronic gadgets that will ping back in the event of an emergency, you should have your own unique MMSI # programmed into it. Learn how from the post below, if I can do it,,,,you can too….it’s pretty easy-
http://livefree2travelslow.com/2015/04/01/a-start-for-our-cruising-communications/