[Boatanchors] National Crystal Calibrator for the HRO 50T1

[manualman at juno.com]

Buy 100 KHz crystal from Mouser for $1.12 each:
watch for wrap around (copy and paste might be better)
https://www.mouser.com/ProductDetail/Epson-Timing/C-2-1000000K-PPBFREE?qs
=sGAEpiMZZMsBj6bBr9Q9acukpafrIaZ1tEf0Rk3SP58%3d

or if that's tooooo expensive for you here's another one from Mouser for
85 cents:
https://www.mouser.com/ProductDetail/ECS/ECS-100-125-13X?qs=sGAEpiMZZMsBj
6bBr9Q9aZy59saLb3yquFq2SKF3u3k%3d

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.


Pete, wa2cwa


On Mon, 20 Aug 2018 18:55:15 -0500 Rob Atkinson <ranchorobbo at gmail.com>
writes:
> I think they are still around, but I am not sure about that 100 kc
> rock.   May be a special order now:
> 
> http://www.nelfc.com/index.html
> 
> Surplus Sales has new 100 kc crystals for $35 each, but their 
> listing
> is sketchy on details.
> 
> 73
> 
> Rob
> K5UJ
> On Mon, Aug 20, 2018 at 2:27 PM <manualman at juno.com> wrote:
> >
> > As far as I've been able to search, the company mentioned for the 
> crystal
> > doesn't exist anymore unless it's now under some other name.
> >
> > Pete, wa2cwa
>