I'll have to try j8just grounding the antenna. In the past, if I didn't have an
rf ground I'd get a lot of hum on the air. The microphone I'm using is metal
and touching it caused the hum and also usually got me a shock. Perhaps the
antenna grounding will take care of that for me.
Tom
Tom Brennan KD5VIJ, CCC-A/SLP
web page http://titan.sfasu.edu/~g_brennantg/sonicpage.html