[time-nuts] Why 80MHz?

Brian, WA1ZMS wa1zms at att.net
Thu Aug 17 17:55:31 EDT 2017

I have noticed, of late, several used 80MHz OCXOs for sale.  Is there a particular industry that uses 80MHz as a typical reference freq?

I'm sure there's a reason why it is 80 vs. 100 or 10 or 5......  I just don't know what it is.


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