My SPG is a thick aluminum plate, which replaces one of the 'vent's in
the foundation wall. Coax double-female feed-throughs are used for
outside connection to the plate, and inside connection from the shack.
This plate is connected to an 8' ground rod driven just outside the
Quoting Larry Libsch <firstname.lastname@example.org>:
> All -
> Our club is putting up a new shack. I have been reading Steve
> Morris book "Up the Tower" and would like to emulate his "Single Point
> Ground System." He emphasizes all antenna cable shields and earth
> electrodes should be attached to a common point before the cables enter
> the building. I must be misunderstanding something . How do I attach my
> coax shield to the outside common point and also attach it to my radio
> inside the shack?
> K4KGG, Larry
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