[Boatanchors] National Crystal Calibrator for the HRO 50T1

[Rob Atkinson]

I agree with that but you also want a decent rock and not some dinky
micro crystal.

73
Rob
K5UJ

>
> My feeling is if you're going to write a construction article for a
> magazine, try to make sure you use parts that are readily available and
> not something you found in the parts box where you've been accumulating
> parts for the last 60 years.
>