On Tue, May 15, 2018 at 3:27 PM, Hal Murray <[email protected]> wrote:
> > If you are far enough north, you are in the hole, but you can see the > other > side of the hole over the pole. > > It's not hard to make your own plots. This is from 66 38' north. > http://users.megapathdsl.net/~hmurray/time-nuts/Arctic/Polar-A.png > > If anybody wants to play, I'll put the code on the web. > > There are several steps. First is to collect the data. I have a python > script that grabs everything from a NMEA device and logs each line with a > time stamp. The GPS orbit period is 12 hours so you need 12 hours of data > to > see everything. But there are 30 satellites, so a few hours will show the > hole. > > The next step is to extract the data into a useful format. That's another > python script. Then, just feed that to gunplot. > Hi Hal, I'd like to see a copy of the code, please. Thanks! -- Chase Turner W4TI http://w4ti.com _______________________________________________ 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.
