[time-nuts] Plug and play GPSDOs was:(no subject)

David Hilton-Jones David.Hilton-Jones at clneuro.ox.ac.uk
Tue Jun 30 12:56:09 EDT 2009


Many thanks Mark.

I was thinking of setting up in a fixed position and leaving on
permanently. But then if there's a power cut?

Do you know if the China supplier is OK? Or any source in the UK of
Thunderbolt?

David

>>> Mark Sims <holrum at hotmail.com> 30/06/09 17:48 >>>

There is one thing that make most GPSDOs not quite plug and play... 
that is their need to know their location rather precisely.  They do
this with a "self survey" mechanism.  The self survey can take several
hours.  Most units can trigger this automatically if their location
changes more than a specific amount.

You are better off manually triggering the self survey and saving the
results in the unit.  Unless you do this,  the unit might go into
self-survey mode every time the power cycles or might get confused
trying to use the old location.


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