[aprssig] Inexpensive Deviation Meter
Dale Blanchard
wa7ixk at earthlink.net
Wed Sep 20 20:23:52 EDT 2006
Jim Campbell wrote:
> Thanks Alan. The MFJ meter isn't available anymore either.
>
> As to my radio, my station is a mix and match affair. I have four
> two-meter transcievers and two TNCs and a tracker. I have cables made
> up so that any TNC/Tracker can drive any radio. Sure makes setting up
> the correct deviation interesting. That's why I was looking for an
> inexpensive meter.
>
> Thanks again,
>
> Jim
> W4BQP
Many years ago I tapped off the 455kc IF on my scanner and fed it to my
oscilloscope.
I would calibrate with a commercial repeater.
The Police frequencies were right on.
I could even see the PL tones and set them.
It would show thew whole 7 KC bandpass of the scanner on the scope.
It was easy to guesstimate things.
WA7IXK
Dale
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