[time-nuts] LH and long-term oscillator measurement

[Mark Sims]

There is a command line option (and maybe a direct keyboard command) for 
setting the plot queue size.  Sorry, I'm away from a Heather machine and don't 
remember what it is.   You could also write a log file  or  receiver raw data 
stream capture file and extract the data from that.
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Re: [time-nuts] LH and long-term oscillator measurement

[Bob kb8tq]

Hi

An alternative:

Take the pps out of a ( or maybe several) GPS modules. 

Divide your oscillator to (about) 1 pps.

Feed them into a counter(s) of some sort (TICC or 53xxx or whatever …)

Log the data to a file with any serial program you might pick.

=

At this point you have a data file(s) that are convertible to work with just 
about anything.
You can feed it into TimeLab, Stable 32, Excel, ….. whatever …

Bob

> On Sep 21, 2020, at 1:24 PM, Skip Withrow  wrote:
> 
> Hello Time-Nuts,
> I am interested in making some long-term (weeks/months) oscillator
> measurements.  I figure GPS is the best long-term reference that I
> have, so would like to use a Thunderbolt with the oscillator pulled
> and the DUT substituted, and running Lady Heather (with discipline
> off).
> 
> I have used this technique for many years, but never for more than the
> 3 day default of LH.  For all of you LH gurus out there, is there a
> way to collect long-term raw data that can be processed by TimeLab or
> Stable32?
> 
> Thanks in advance for any help.
> 
> Regards,
> Skip Withrow
> 
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[time-nuts] LH and long-term oscillator measurement

[Skip Withrow]

Hello Time-Nuts,
I am interested in making some long-term (weeks/months) oscillator
measurements.  I figure GPS is the best long-term reference that I
have, so would like to use a Thunderbolt with the oscillator pulled
and the DUT substituted, and running Lady Heather (with discipline
off).

I have used this technique for many years, but never for more than the
3 day default of LH.  For all of you LH gurus out there, is there a
way to collect long-term raw data that can be processed by TimeLab or
Stable32?

Thanks in advance for any help.

Regards,
Skip Withrow

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