[time-nuts] Where does the Z3801A 1 PPS come from?

John Ackermann N8UR jra at febo.com
Mon Mar 14 14:14:19 EST 2005

Tom Van Baak wrote:

> I'll switch to using a Z3801A and 5370B like you if
> necessary but again 1 ns over a day smells like a
> tempco or  voltco - in either the Z3801A or 5370B.

Oh, and I'm not entirely sure about the external divider.  It's not one 
of your PIC-based ones, but rather is a box I got off eBay with 3 
divider channels plus a Loran GRI generator.  The dividers are cascades 
of 74HC390s.  So, I'm not sure how much that box could be drifting around.


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