Ralph Matheny wrote:
> In my experience, inverted L and Vert antennas are often full of noise
> because of a "ground loop" (for want of a better term) between the local
> power company neutral and the antenna ground system. The way to break
> this loop, and reduce noise, is a 1:1 transformer connected so that the
> RF ground for the inverted L does not have a connection to the "green
> wire" or neutral wire of the power company. In my case here it is clear
> that those folks in the AC power business have NOTHING grounding their
> system in this area except MY radial system. Thus, all arcs, buzzes,
> light dimmer noise, computer buzzes, are delivered here and mixed into
> my Rx front end.
OTOH, my vertical is 1000 ft from the nearest power line and
I can put a radio out at the bottom of the antenna running on
a battery and pickup plenty of power line noise.
Rick N6RK
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