K3EXREF install in K3 build?

[Stan Gibbs, KR7C]

I'm building my second K3 with the K3EXREF option and I wonder if anyone can tell me if it would be a problem to install the K3EXREF during initial construction, at the same time as the KREF3.  Would it affect initial testing and/or calibration?

Thanks,

[Matt Zilmer]

If the K3EXREF is left unconnected to an external frequency reference,
it should not affect any calibrations.  If it is connected to a ref
oscillator, it would affect your reference freq calibration - in that
you wouldn't really need to do it at all.

I would go without it until you get the basic radio together, just the
same.  "Should not" isn't that same as "won't".

I was one of the Field Testers for the ref board, and I went through
the process both ways: as a "new build", and again as an add-on.
Neither of them was affected by the presence of the ref board.

Others may have differing opinions.

73,

matt W6NIA

On Sat, 13 Oct 2012 10:56:05 -0700 (PDT), you wrote:

>I'm building my second K3 with the K3EXREF option and I wonder if anyone can
>tell me if it would be a problem to install the K3EXREF during initial
>construction, at the same time as the KREF3.  Would it affect initial
>testing and/or calibration?
>
>Thanks,
>
>
>
>-----
>73, Stan - KR7C

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[Stan Gibbs, KR7C]

Matt Zilmer wrote

I would go without it until you get the basic radio together, just the
same.  "Should not" isn't that same as "won't".

Good advice. Since I will be installing the KRX3 and KPA3 after basic testing and calibration anyway, I'll be prudent and install the K3EXREF then.

Thanks for the comments.