Oh Yes, Rudy is quite specific about elevated radials also.
They are the most efficient.
Just consider that dirt is not a very good conductor of RF, why would
you shield your radials by burying them in or near a non conductor?
Atop the ground would be the least of the lossy methods, while elevated
radials would have the best performance as his data shows. Rudy shows
they don't have to be elevated high to get the performance up.
Radials do tune your antenna depending on their type and length, also
covered in his experiments.
Stuart Rohre
K5KVH
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