[Boatanchors] Toroid Tank coils for HF Linear

[John Franke]

That should be the Whole of the Donut, not Donur.

John WA4WDL

----- Original Message ----- 
From: "John Franke" <jmfranke at cox.net>
To: "John King" <k5pgw at yahoo.com>; <boatanchors at mailman.qth.net>
Sent: Monday, March 31, 2008 10:28 PM
Subject: Re: [Boatanchors] Toroid Tank coils for HF Linear


> Try 73 magazine, June 1967, pp. 6-14, The Whole of the Donur, E.L. Klein 
> W4BRS.  He describs many toroidial tank circuits, some with stacked T-200 
> cores.  The tanks covered 100, 500, and 1000 Watts.  The 500 Wat coil used 
> one T-200 core.  The 1000 Watt coil usedtwo stacked T-200 cores.
>
> John WA4WDL
>
> ----- Original Message ----- 
> From: "John King" <k5pgw at yahoo.com>
> To: <boatanchors at mailman.qth.net>
> Sent: Monday, March 31, 2008 9:30 PM
> Subject: [Boatanchors] Toroid Tank coils for HF Linear
>
>
> CALLING ALL OLD TIMERS!!!! A number of years ago there
> was an article in one of the ham magazines that
> described how to wind a final tank coil, on a pair of
> toroid cores, for a high Power HF linear. It used two
> T-200 toroid cores stacked. I need to find the
> article!!
>
> I have a very extensive library of QST, CQ, 73, Ham
> radio and Electric Radio magazines. Several of the
> mentioned publications go back to early 1950s. I
> remember the article, but can't remember the exact
> location of the article. I thought it was somewhere in
> 73 in the early 60s. I have looked through 1963
> through 1965 indexes of 73 to no avail.
>
> Can anyone assist me in locating the article? I sure
> would appreciate your help, if you can remember the
> article and its' location. Thanks and 73, John, K5PGW
>
>
>
> 
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