Topband: INV_L_POWER_LINE_NOISE

[Rick Karlquist]

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