Todd
If you are interested in experimenting, you could try a K2AV folded
counterpoise under that inverted L. If installed as recommended, it will
provide a decent counterpoise system. One advantage to the FCP is that it
is possible to also end fed the system, should that be a requirement.
I was using an inverted L against a tower with random grounding--antenna R
was up in the 80 ohm range. Over the K2AV, and away from the tower the
antenna R dropped to 26 ohms. It works good enough for now. I have very
poor ground conductivity, and running a large radial field would be hard
over rocky sandy soil. I also fed the L over the FCP for 80 meters, an L
Network is switched in to match the antenna, and the FCP counterpoise is
changed over to 80 meters using surplus Russian vacuum relays.
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