Ray, I just checked my Argonaut V after a 10 minute warm-up and find the
frequency error at 10 Mhz is 6.8 hz. I have not done a calibration on this rig
and being under 10 hz, don't think I will even try. Just a data point for you.
73,
-Lee-
WA3FIY
On 15 Aug 2009 at 12:21, wa3fiy@radioadv.com wrote:
> Hi Ray,
>
> I've not had that problem with my Argonaut V but I did improve the
> calibration on my Pegasus a while back. I suspect the situation is
> very similar.
>
> It sounds like the TCXO is off a little bit. In the case of my
> Pegasus, I tweaked the TCXO trimmer and put the radio right on
> frequency. In fact, this morning I checked it as I do from time to
> time and it is still within 2 hz at 10 Mhz (WWV). Not too bad. The
> Argonaut should be able to get somewhere in that range too I would
> think.
>
> Hmmm.................? Maybe I'll check out the Argonaut just for
> the fun of it.
>
> :-)
>
> 73,
>
> -Lee-
>
> WA3FIY
>
>
>
> On 15 Aug 2009 at 11:07, Rsoifer@aol.com wrote:
>
> > Hi,
> >
> > My Argo V (with TCXO) reads 100 Hz low, i.e. 10 MHz WWV zero-beats
> > at a reading of 9999.900. It isn't a warm-up drift problem as the
> > reading is quite stable with time, well within the spec of 3 ppm
> > drift. Performing a master reset per the manual had no effect on
> > the problem.
> >
> > Has anyone else encountered something like this?
> >
> > 73,
> >
> > Ray W2RS
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> >
>
>
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