You could be running way too much power if

67Dart273 said
That there would work for HF (CB and lower freq) but that is NOT how it's done for VHF. Marine is VHF, up in the 155mhz range, and deserves 'correct' work.

You just think because it's for a marine and a possible emergency device that it needs to be good quality and reliable. :D

JK, LOL