Topband: 160 meter vertical

k6se@juno.com k6se@juno.com
Tue, 30 Apr 2002 07:54:22 -0700


Dennis, K8DO wrote:

"I'm sure that someone has used Rohn 25 as a 160 vertical either as stand
alone or with a stinger. Is there any dimensional info available
someplace?"
==========
Because shunt feeding is as efficient as series feeding (and shunt
feeding does not require the antenna length to be resonant), just use 13
sections of grounded Rohn 25 (very close to 1/4 wave) and shunt feed it
to avoid the cost and hassle of base insulators.

73, de Earl, K6SE