[time-nuts] Hydrogen maser frequency jumps

[Azelio Boriani]

How are related the three locations' jumps? Do they occur at the same
time? One more than the others?

On Sat, Dec 5, 2015 at 11:45 AM, Poul-Henning Kamp <phk at phk.freebsd.dk> wrote:
> --------
> In message <CALH-g5bQ-muUQP=HpXR6wNciNqBwwOFJ0XOb3q15wYOEwOXmxg at mail.gmail.com>
> , Jim Palfreyman writes:
>
>>The weird thing is that the jump is ~0.7ns and that 1/0.7E-9 is close-ish
>>to 1420.4MHz which is the hydrogen line. Too much of a coincidence for me.
>
> Is there a direct digital divider chain to the PLL which steers the
> 5Mhz OCXO ?
>
> If so the obvious thing to look at is a weak input signal on the input
> side of that divider.
>
>
> --
> Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
> phk at FreeBSD.ORG         | TCP/IP since RFC 956
> FreeBSD committer       | BSD since 4.3-tahoe
> Never attribute to malice what can adequately be explained by incompetence.
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