[Milsurplus] Re: TBY frequency experiment
Al Klase
skywaves at webex.net
Sat Nov 19 11:10:33 EST 2005
Hi Rob,
I'll get power to my BC-322 (52-66 MC) and we'll get a QSO going.
Al
Robert Flory wrote:
>Hi,
>
>I recently did a little experiment with my TBY set. Using the calibration
>chart, I set it to channels 1-4 and measured the frequency. I found the
>channel spacing to be around 300kc, and I found the frequency to vary by as
>much as 100kc as the antenna loading is adjusted.
>
>It is no wonder that hams often modified these for crystal control, as it
>would be quite difficult to hit a narrow receiver passband with one of
>these.
>
>Communications between TBY sets, or with other units having broad receivers
>(BC-224?)would be no problem.
>
>Rob Flory
>robandpj at earthlink.net
>www.home.earthlink.net/~navyradio WWII Navy Radio
>www.home.earthlink.net/~robandpj Les Flory Television and Electronics
>
>
>
>
>
>
>
--
Al Klase - N3FRQ
Flemington, NJ
http://www.skywaves.ar88.net/
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