Still can't find a solution. I'm suspect backup battery. ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Sunday, March 22, 2020 9:12 PM, Otto Moerbeek <o...@drijf.net> wrote:
> On Sun, Mar 22, 2020 at 08:26:25PM +0000, Martin wrote: > > > Hello Otto, > > I can't share any coordinates, but after analyzing NMEA messages from > > receiver I see the correct UTC time in first field of $GPGGA, $PQXFI > > (Qualcomm extended fix information), $GNSNS sentences. In repeating > > sentences time data changes every second as it should be. System's time in > > sync with NTP pool currently, so it has minimum delta possible. > > $GPGGA,194359.00,coordinates,..... > > $PQXFI,194359.00,coordinates,..... > > $GNSNS,194359.00,coordinates,..... > > ... > > $GPRMC,194359.00,coordinates,..... > > ... > > $GPGGA,194400.00,coordinates,..... > > $PQXFI,194400.00,coordinates,..... > > $GNSNS,194400.00,coordinates,..... > > ... > > $GPRMC,194400.00,coordinates,..... > > Double sigh. The datestamp in the $GPRMC message is important. > > But I give up, you are only making things difficult. > > -Otto > > > Any way to perform manual 'reset' timedelta to any 'default' value? > > Martin > > ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ > > On Sunday, March 22, 2020 3:28 PM, Otto Moerbeek o...@drijf.net wrote: > > > > > On Sun, Mar 22, 2020 at 03:22:40PM +0000, Martin wrote: > > > > > > > The position is absolutely correct. I forgot to mention I changed > > > > Latitude and Longitude by different values. > > > > The timedelta is incorrect and it's only the question why. > > > > I missed a moment when huge time skew appeared. Just system clock was > > > > changed significantly to incorrect value. Now ntpd.conf set to NTP > > > > pool, but hope I can fix radioclocks. > > > > Martin > > > > ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ > > > > On Sunday, March 22, 2020 12:54 PM, Otto Moerbeek o...@drijf.net wrote: > > > > > > > > > On Sun, Mar 22, 2020 at 12:19:39PM +0000, Martin wrote: > > > > > > > > > > > hw.sensors.nmea0.indicator0=On (Signal), OK > > > > > > hw.sensors.nmea0.timedelta0=619313970.981246 secs (GPS autonomous), > > > > > > OK, Sun Mar 22 12:47:08.981 > > > > > > ^^^^^^ > > > > > > hw.sensors.nmea0.angle0=10.0 degrees (Latitude), OK > > > > > > hw.sensors.nmea0.angle1=20.0 degrees (Longitude), OK > > > > > > hw.sensors.nmea0.distance0=30.0 m (Altitude), OK > > > > > > hw.sensors.nmea0.velocity0=0.000 m/s (Ground speed), OK > > > > > > It works for about two years before like a charm, but now timedelta > > > > > > 619313970.981246 secs. > > > > > > Tried to change GPS receiver, no effect. > > > > > > Martin > > > > > > > > > > You position is also suspect. Can you run cu on the port the GPS is > > > > > atteched to and get a snippet of the output? > > > > > -Otto > > > > > > Sigh, you are making troubleshooting this harder than needed by > > > editing output without saying so. Also, I asked for an NMEA output > > > log. > > > Uncomment your ldattach line in /etc/ttys > > > kill -1 1 > > > cu -l ttyXX -s 4800 > > > (Change speed to match your device). Without log I cannot help. > > > -Otto
