http://www.theregister.co.uk/2017/10/31/google_gnss_analysis_tool_accurate_to_nanosecond_movements/
I wonder how well it works on a $20 Android tablet / phone? _______________________________________________ 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.