With an insulated tower, the cheapest EZNEC and other free NECs will
yield good results. Would you rather climb, cut, and trim a few times
or spend $89 to get EZNEC? Simple to learn. And the demo version is
free eznec.com
Grant KZ1W
no affiliation, just a long term happy user
On 2/4/2015 7:27 AM, Larry - K1UO wrote:
Could someone tell me the length of top loading wires (4 wires planned) needed
to add to the top of a base insulated 90 foot Rohn 25g tower to maximize the
radiation resistance on 160 meters. I understand there is a point of
diminishing returns on the top loading lengths. The 4 wire angles will be
around 45 degrees or as close as possible. If I knew how to model ,or even
had a modeling program, I would attempt this already relatively simple task to
many.
From 50+ years of practical experience, I am ‘guessing’ maybe 28 feet long
each?
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