[time-nuts] UPDATE: Heol N024 GPS for TS-2100 Failure

Magnus Danielson magnus at rubidium.dyndns.org
Tue Aug 18 19:18:41 EDT 2015

Hmm, could it be change of GPS week, which occurs then?


On 08/18/2015 11:38 PM, Esa Heikkinen wrote:
> Gerhard Wittreich kirjoitti:
>> Heol is sending me and another "timenut" a new GPS board with the updated
>> firmware.  If you have an early version of the board, be on the
>> lookout for
>> loss of "Tracking" as a symptom of the problem.
> If this is a same issue that I discovered, it seemed to happen at each
> Saturday evening (UTC). But there's no need to reboot anything, it will
> recover by itself, just sit back and wait... "Loss of tracking" event
> stays maybe about an hour or something and then it will return to normal.
> So it's only a minor problem, unless you need full PPS accuracy (+-50 ns
> with OCXO). If TS2100 is used as FTP server, this temporary loss of
> tracking doesn't matter.
> Best regards,

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