[time-nuts] Tracor 401A Clock

J. Forster jfor at quik.com
Sat Jul 17 20:47:53 EDT 2010

I assume they are no longer made by Tracor, but there is a guy still
making (?) and supporting their 527E Frequency Difference Meters. He might

If you get no other leads, I can probably find the guy's contact info.




> I picked up this collector's item at a hamfest today. Formerly owned by
> the USNO. I'm told it has power supply problems. Does anyone have any info
> on it? Probably too much to ask to find a manual or schematic...   
> Bruce N7TWB

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