[time-nuts] Reeeely long term HP 5065A drift rate (13 year!)

John Ackermann N8UR jra at febo.com
Tue Jun 30 20:41:27 EDT 2015

Hi Corby -- it just so happens that I've been plotting my 5065A (super) against several sources since last February -- about 130 days of data so far.

Here's the data against a GPSDO as reference:

This is based on PPS comparisons.


> On Jun 30, 2015, at 1:21 PM, <cdelect at juno.com> <cdelect at juno.com> wrote:
> Yes, same workbench and location!
> How about some of the 5065A owners helping out in a bigger sample?
> What I thought is that say on July the 4th a few owners measure their
> frequency offset to say at least 5X10-12th and then without changing the
> C-field for a year we could repeat the measurement next year and see what
> kind of results we get.
> Units would not have to stay powered on the entire time as long a you
> give them a day or so to warm up before the measurements.
> The Independence day 5065A offset club!
> Cheers,
> Corby
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