[time-nuts] Newbie to Time Nuts; Seeking wisdom, re Hydrogen MASER applications
hmurray at megapathdsl.net
Mon Nov 13 06:12:06 EST 2017
michael.cook at sfr.fr said:
>>> prior to my senior project most geodetic surveyors used a Wooden boxed,
>>> marine chronometer, to get sub second UT1 time, or back then, GMT
>> How did you get the data out of the wooden box?
> I have a couple of marine chronometers that have electrical contacts
> closing once a second. This signal is relayed by wires to terminals on the
> outside of the box.
That gets you seconds if you count them. How do you get sub seconds? Just
count time since the PPS using a normal crystal and it will be good enough?
These are my opinions. I hate spam.
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