[time-nuts] Plug and play GPSDOs was:(no subject)
Mark Sims
holrum at hotmail.com
Tue Jun 30 16:46:53 UTC 2009
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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