Originally Posted by BozSail
My icom VHF
...does not transmit my voice output well at all. My voice output is extremely scratchy and almost unintelligible. It's an old unit...
Please read my article on refurbishing an older ICOM VHF Marine
. I made a tremendous improvement to the quality of the modulation. See:
ICOM IC-M402: Rehabilitating an older VHF Marine Band Radio - Moderated Discussion Areas
In particular, see the section of the article under the heading
BAD TRANSMITTER AUDIO