Maybe a bit offbeat here, but isn't there a possibility to hook up a GPS
receiver to
sync with that time signal? If you're into rally racing, other GPS info may
be mighty interesting as well.

Regards,
Claudio

-----Oorspronkelijk bericht-----
How large drift can I expect to be caused by temperature changes? I left
my clock running last night and it was ahead 1 second after 3 hours and
then stayed behind 4 seconds during next 6 hours. If the room
temperature day/night change caused such a drift, what can you expect
from extreme conditions in a rally car where temperature can change from
-20C in the winter to +60C under the sun in the summer!? I'm starting to
believe that using some kind of temperature controlled osc is a must in
my case...

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