Agree with N6RK.
My T has 8x 125 elevated radials (b4 N6LF work) but is in trees, with
the significant losses and is hard to maintain, climbers are unobtanium
currently.
I am working on a self supporting 160 vertical for a clearing, top hat
loaded a with mid loading coil. With 3 elevated 125ft radials it is
within a fraction of db of more. Also, the land constraints has them at
290, 30, and 110 degrees which skews the pattern 1db towards EU, which
is a plus from WWA.
Grant KZ1W
On 1/9/2022 08:22, Richard (Rick) Karlquist wrote:
On 1/9/2022 4:51 AM, CUTTER DAVID via Topband wrote:
Hi Rob
I see copper prices have doubled in the last year.
My intention is to compare and contrast the cost and performance of
short verticals over a large field of ground radials v the very modest
amount of wire required for the FCP. In Guy's article
This is a false dichotomy between FCP and a broadcast station ground
screen. The best use of wire is to have a small number of elevated
tuned radials with proper RF choking. As shown by N6LF, you can do well
with just 8 radials, about 100 feet long each. On 160 meters, they
should be 20 feet high for optimum performance. BTW, cheap aluminum
electric fence wire works perfectly for elevated radials Also consider
N6BT's single spiral radial configuration as an alternative to FCP.
Rick N6RK
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