[Elecraft] JT65 with KX3

[Michael Walker]

Before you blame the radio for drifting, how do you know your sound card
isn't drifting?

The problem looks the same.  There are many tests you can run when
referencing WWV and watching the drift.

This is one of the  many tools:
http://www.qsl.net/dl4yhf/speclab/frqcalib.htm

Or:  https://www.stu2.net/wiki/index.php/Calibrate_Sound_Card

Mike va3mw


On Wed, Apr 27, 2016 at 12:59 PM, Edward R Cole <kl7uw at acsalaska.net> wrote:

> Don and Brian:
>
> I had good luck just using my XG3 as signal source for the temp
> compensation on 50-MHz.
> I did monitor freq on my prof. counter.
>
> 73, Ed - KL7UW
>
> From: Don Wilhelm <donwilh at embarqmail.com>
> To: elecraft at mailman.qth.net
> Subject: Re: [Elecraft] JT65 with KX3
> Message-ID: <6428dc69-b0f8-d313-c6e1-c1350236fb22 at embarqmail.com>
> Content-Type: text/plain; charset=windows-1252; format=flowed
>
> Brian,
>
> The XG50 is not really expensive and is a good stable source.  It is
> 'cheap' compared to the frustration factor involved with trying to use
> other methods.
> If you have access to an instrument lab with highly stable signal
> sources in the 50MHz range, then you are all set, but most are not so
> fortunate.
>
> The problem in justifying the price is that it is seldom used once you
> do the KX3 calibration.  Maybe we should create a 'ham sharing XG50'
> network to allow each to pay a portion of the total cost of the XG50.
> That would work fine if you have several locals with a KX3 - check with
> your local club.
>
> 73,
> Don W3FPR
>
>
>
> 73, Ed - KL7UW
> http://www.kl7uw.com
>     "Kits made by KL7UW"
> Dubus Mag business:
>     dubususa at gmail.com
>
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