One method would be to listen to the fundemaental
frequency of the transverter's LO xtal with the RX
feeding an audio program like Spectran. Then note the
precise audio frequency trace of the LO carrier. Then
put the transverter into TX, if its crystal is indeed
sifting 30Hz you will easily see it. If you need to
actually transmit a signal to test this then a second
dedicated RX will needed to do this test.
If this is a DEMI transverter (and depening on its
age) there may be some relatively simple mods that can
be done to improve its stability.
Duane
N9DG
--- Robert & Linda McGraw K4TAX <RMcGraw@Blomand.Net>
wrote:
> 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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