Harry Krause wrote:
Follow up to this November post:

I have an ICOM VHF, model IC-M502, new this past spring, and two
weekends ago, I noticed it was not transmitting properly.

I was "rafting up" with a friend in his boat, and while we were
negotiating the boat hookup, I tried to stay in touch with the VHF. He
could not hear anything at all when I transmitted at the one watt
setting, but could hear me with some signal breakup at the 25 watt
setting. We tried several channels; same results.

It's not the antenna or its fitting, as far as we can tell, because we
hooked up a spare VHF and it did fine.

The friend believes there may be some problem in the M502's mike. My VHF
radio electronics knowledge is minimal. I am going to send the radio
back to ICOM for a look-see and repairs, but I'd like a better
indication from the experts here as to what might be the problem.

Any ideas?

Thanks!
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Just talked to ICOM. The radio is on its way back to me. There were
indeed "problems" with the microphone. It was replaced, and apparently
while they had the radio, ICOM updated the firmware. No more details,
but the paperwork packed in the "to go" box should explain all, or so
said the tech on duty.


That is probably the best reason to buy ICOM products. I have been very
satisfied with mine and would recommend ICOM products strongly.

Rick