[TowerTalk] 160m. Inverted L question

Jim Brown jim at audiosystemsgroup.com
Wed Jan 16 14:17:22 EST 2019


On 1/16/2019 11:04 AM, David Gilbert wrote:
> The fact that the tower is grounded is irrelevant.

That's not true. It matters a lot. Compare a 125 ft tower that is 
insulated at the base with one that is grounded at the base. On 160M, 
the grounded tower is near resonance, but nearly an open circuit on 80M. 
And the tower insulated at the base is nearly an open circuit on both 
bands!

73, Jim K9YC



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