N6BT’s ring is pretty flexible in its dimensions. It can be 3 or 4 sides (or
anywhere in between) and can handle some variation in symmetry.
I’ve been having issues finding a solution to the high tree attenuation on my
property and I had an inverted L with the ring and another inverted L 340’ away
with 60 x 100’ radials. The model showed there was some interaction between
the 2 antennas so exact difference was not known. But basically the ring was
very close to the 60 radial version.
One of the key issues is making sure the inverted L section is close to
resonance. If it’s short, more current is moved into the ring which is not
desirable.
Regards , Kenny K2KW
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