Learning the HARD way...
Join Date: Jan 2007
Location: Boston / Ft Myers Area
Thanked 188 Times in 184 Posts
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Because it seems to work better when you pull the antenna out, and you have (presumably correctly) replaced the end connector, I suspect that there may be a cold-solder joint *inside* the radio. I would also suspect that, because you had a bad antenna connection, you may have blown the transitter amplifier.
I would take the radio to a repair center.