[Boatanchors] National Crystal Calibrator for the HRO 50T1

Robert Bethman oldrotorheadsarge at outlook.com
Mon Aug 20 20:00:08 EDT 2018


Folks,  One need only to find an old Heathkit receiver such as the Mohawk.  They do indeed have a 100KC tube like crystal in them.

So it is a matter of a hunt!

Regards, N0DGN

On 8/20/2018 7:55 PM, Rob Atkinson wrote:

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><mailto: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


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