wrote:

Tim, it's neither. When someone uses the handheld on the ground when
I'm flying in my glider, the transmission is very weak. So much so
that I have to close all the vents and turn up the volume considerably
to hear what they are saying. The radio operates just fine; it's just
that it doesn't seem to transmit well.
I'm only guessing, but I'd put my money on the antenna as the problem.

Does it break the squelch on your glider radio? If it does, the low
volume is not due to a weak transmission, but more likely due to a weak
audio signal. Perhaps the user is holding the unit to far from their
lips, or the audio gain in the transceiver is not set properly (a
factory setting, I'm guessing, but check the manual). Can you use an
external microphone to see if it makes a difference?

--
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Eric Greenwell
Washington State
USA