That's what I was intending doing, although the adjustment as far courser than ideal on a counter with 11 digits.
Many of us use HP 5370A/B's as *time interval* counters; typically to precisely compare two 1 PPS sources.
In this case the 25 ps rms single-shot resolution of the counter is the key feature, not the 11-digit display, nor even the quality of the timebase. You're 10811 OCXO can be off by huge amounts and you can still get perfectly accurate 1 PPS TI measurements.
Hi Tom,
I was aware of the accuracy of the timebase for TI measurements is not that critical, and TI measurements were my reason for buying the 5370B rather than a normal frequency counter.
However, the fact remains the 5370B is a better *frequency* counter than any others I have, so having the oscillator as close as reasonably practical, without necessarily having to have it locked to a GPS unit, would be useful to me.
-- David Kirkby, G8WRB
Please check out http://www.g8wrb.org/ of if you live in Essex http://www.southminster-branch-line.org.uk/
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