[TowerTalk] TH-7

Lux, Jim jim at luxfamily.com
Fri Sep 3 14:48:29 EDT 2021


On 9/3/21 10:49 AM, jim.thom jim.thom at telus.net wrote:
> Date: Fri, 3 Sep 2021 09:59:46 -0400
> From: "Mike Ryan" <mryan001 at tampabay.rr.com>
> To: <TowerTalk at contesting.com>
> Subject: Re: [TowerTalk] TH-7
>
>
> <There was an op in Texas who mounted 4 of these on a rotating tower. There
> <was an article in one of the ham magazines some years ago about it. But it
> <was impressive. The TH7 has 5 elements on 10mtrs which soon will be more in
>
> ##  It was on the  front  cover of a  CQ magazine, back in the 80's.   He
> stacked em at  35-70-105-140'.   With all 4 driven in phase, he was  20 db
> louder than another ham, close by, who had just a single  TH-7 up  70'.
> I find that hard to believe, but that was what was reported.
> The article was entitled.... "TH-28".
>
maybe the single TH-7 was at the "wrong" height for the propagation 
path, or he was feeding it with RG174 or something..




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