[TenTec] Argo V calibration

wa3fiy at radioadv.com wa3fiy at radioadv.com
Sat Aug 15 09:21:51 PDT 2009


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 at 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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