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Old June 13th 06, 05:06 PM posted to rec.radio.amateur.antenna
Bob Miller
 
Posts: n/a
Default Noise level between two ant types

On Tue, 13 Jun 2006 15:43:29 GMT, Cecil Moore
wrote:

Cecil Moore wrote:
Bob Miller wrote:
I have a low, 30 feet or so, 80 meter dipole fed with ladderline,
through an mfj 989c tuner. Hot humid clime (Texas). Is the ground wire
on the back of the tuner, going to a ground rod, enough to bleed off
electrical build up?


If there is a DC path to ground from *BOTH* sides of the
dipole, the answer is yes. But, looking at the 989c
schematic, I don't see a DC path to ground from one of
the balanced line outputs.


I forgot to say that your high humidity probably provides
a path to ground from the other tuner terminal. It was
only during super low humidity conditions in the Arizona
desert that I experienced the arcing process during
high winds.


I can't recall seeing any gap-sparking here in the San Antonio area.
When it's hot, it's usually pretty humid, too.

bob
k5qwg