Michael Ware wrote:
"Doug" wrote in message
ups.com...
Just look at the specs for marine antennaes and use those, or go to a
marine store and measure one. No need to reinvent the wheel....

Well, that's true, but the VSWR should be checked, with a meter while
airborne. Failure to do this could result in a damaged radio.


Doubtful. No 12V (or 28V) transistor radio is going to burn up
it's finals driven into a mismatch. It won't produce much
power.