Originally Posted by sailingdog
If the mic plug was damaged, it may have shorted the transmit switch pins and then the SSB would not be able to receive, as it is a simplex radio..and can not receive if it is trying to transmit. Same thing happens with most VHF radios.
Okay, Thanks. I see what you mean. Basically the damaged switch might have been the equivalent of holding down the PTT switch, but with no mike input.
So the SSB would have been transmitting noise and blocking whichever channel it was tuned to, until the transmitter burned out as well, probably?