On Tue, 2007-12-11 at 18:38 -0500, John Ackermann N8UR wrote: > To get decent (for some definition of "decent") timing, you need to > operate the receiver in "0-D" mode, telling it where it is and letting > it solve just for time. I haven't done the experiments myself but I > believe that the time accuracy is pretty dramatically degraded when > operating in 2-D or 3-D mode. > > > How long does a survey take (in good conditions) and what sort of time > > constant would you want to use with a navigation box? > > It depends on the receiver, but usually it's a few hours to a full day. > Of course, if you use external software you can use whatever time > period you want. > > John
I am surprised surveying mode is needed anymore. In a SA environment it makes sense, but for me its hard to understand with the current accuracy given by the GPS system. -- Björn _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.