Hi > On Dec 5, 2015, at 5:45 AM, Poul-Henning Kamp <[email protected]> wrote: > > -------- > In message > <CALH-g5bQ-muUQP=hpxr6wncinqbwwofj0xob3q15wyoewox...@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.
…. or impulse / popcorn noise on that same input …Might be as simple as a fractured solder joint. Bob > > > -- > Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 > [email protected] | TCP/IP since RFC 956 > FreeBSD committer | BSD since 4.3-tahoe > Never attribute to malice what can adequately be explained by incompetence. > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
