:
>
> On Mon, 29 Mar 2010 20:02:18 -0700, "k7fm" <k7fm@teleport.com> wrote:
>
>>
>>"the newest publications oftentimes omit important material contained in
>>earlier editions."
>>
>>Such as useful stuff like tube references, regenerative detectors, how to
>>wind your own transformers, rhombic antennas and how to make your own open
>>wire line.
>
> REPLY:
>
> My favorite omission from the old days was a 56 Mc amplifier using a
> 1/4 wave transmission line as the output tank. It looked like
> something out of a Hollywood horror movie.
>
> 73, Bill W6WRT
In the 60's there were quite a few 6M amps built with tuned lines and 100TH,
250TH, and bigger old triodes. The cavity TVI filters were built in a
galvanized garbage can.
It all worked rather well.
Carl
KM1H
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