On Tue, Apr 22, 2014 at 6:57 PM, Tom Van Baak <[email protected]> wrote:
> > I do not think there is any standard. Just conventions: some documented, > some not. It's attention to a dozen little details like this that separate > a quick hack GPSDO from a quality one. You'll also face a number of design > issues at startup, and coming out of holdover. Lastly, you get to choose > between it being an ideal time standard vs. an ideal frequency standard. > The simplest thing, I think is to use the GPS' serial data stream to decide if you are in holdover or not. There will be a status message that says if the GPS is producing valid output. The details depend on the GPS but most have something to describe the number of GPS satellites in view and something about each of them. -- Chris Albertson Redondo Beach, California _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
