Bob, I use a frequency counter very loosely coupled to one of my dummy loads to
confirm TX frequency - an an ancient 1.0 mHz crystal calibrator zero beat
against WWV to confirm the HP's accuracy. Any error in the measuring system is
within 2 Hz at any "exact megacycle" below 20 mHz, and any TX frequency error
shows up quite conspicuously - provided the RX and TX frequency are supposed to
be the same.
Of course, if the TX is supposed to be offset by some fixed amount, 700 Hz say,
that is not quite so conspicuous, but as long as everthing is supposed to roll
off to a string of zeros small errors are pretty obvious.
73 Pete Allen AC5E
--
Never squat with your spurs on
> Does anyone have a good method to confirm that a transceiver is indeed
> transceiving accurately? I've come to a conclusion that one of mine is
> actually shifting frequency some 20 to 30 Hz between receive and transmit.
> As to why, I haven't found a clue.
>
> I'd like to hear your thoughts and suggestions on this topic.
>
> 73
> Bob, K4TAX
>
>
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