[R-390] Scale varies band to Band

[Norman Ryan]

Hi, Gordon,

It's due to the crystals aging.  It'd be a chore to find ones that match, but it's theoretically possible through trial and error.

73 de Norman, KG4SWM


--- On Mon, 5/13/13, Gordon <gordon at n6wk.com> wrote:

> From: Gordon <gordon at n6wk.com>
> Subject: [R-390] Scale varies band to Band
> To: R-390 at mailman.qth.net
> Date: Monday, May 13, 2013, 4:42 PM
> Is it normal for the scale to vary a
> couple Kc's band to band?
> For example, If the Calibrator is dead on 7.500 on the 7 Mcs
> band, is it normal for it to be maybe on 8.502 on the 8 Mhz
> band and maybe 9.497 on the 9 Mhz Band?
> I do not see any trimmers to bring each crystal dead on. Am
> I missing something?
> 
> 
> Thanks,
> Gordon
> N6WK
> 
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