[time-nuts] Lucent / Z3810A log time offset.
Bob Camp
kb8tq at n1k.org
Sun Dec 7 14:05:46 EST 2014
Hi
> On Dec 7, 2014, at 1:31 PM, Paul <tic-toc at bodosom.net> wrote:
>
> On Sun, Dec 7, 2014 at 10:26 AM, Bob Camp <kb8tq at n1k.org> wrote:
>
>> Any time you have a power "burp" the clock will start back at what ever it
>> thinks was the time was last.
>>
>
> I understand this.
>
> I was referring to:
>
>
>>> Log 037:20141201.00:25:47: GPS reference valid at 20141202.01:47:41
>>> Log 043:20141201.00:25:42: GPS reference valid at 20141202.01:47:36
>>
If the magic “write the time to flash” routine runs once every 2 hours, then that would explain the log. Numbers like 4 or 8 times a day are not uncommon for this sort of thing.
Bob
>
> These two events were at least an hour apart. The second one (1:47:36)
> does not precede the first (1:47:41).
>
> If "GPS reference valid" doesn't mean the Oncore thinks time is valid
> that's okay but it only happened once and there have been multiple power
> resets. Just no others that (accidentally) happened within ~20 seconds
> (the POST window I assume) of each other.
>
> I'll wait a few days and do another power reset now that I'm ready for
> concurrent monitoring of both units.
>
> By the way the time glitch was only logged on REF 1.
>
> Snippet showing the system adopting the bad time stamp:
> Log 037:20141201.00:25:47: GPS reference valid at 20141202.01:47:41
> Log 038:20141202.01:48:45: Locked mode entered
> Log 043:20141201.00:25:42: GPS reference valid at 20141202.01:47:36
> Log 044:20141202.01:48:41: Locked mode entered
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
More information about the time-nuts
mailing list