Lines Matching +full:pre +full:- +full:calibration
1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
3 …<meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>Generic NMEA GPS Rec…
4 <!-- Changed by: Pearly &, 04-Feb-2019 -->
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16 <!-- #BeginDate format:En2m -->17-Oct-2020 16:00<!-- #EndDate -->
25 Serial Port: <tt>/dev/gps<i>u</i></tt>; 4800 - 115200 bps, 8-bits, no parity<br>
46 IDs</a> when using non-GPS or multi-system receivers.
114 <td>Day of the month (1-31)</td>
168 <td>Month of the year (1-12)</td>
186 <td>GPS week (0-1023)</td>
189 <td>Seconds since start of week (0-604799)</td>
200 '1' => accuracy of +/- 20ms,<br>
201 '2' => accuracy of +/- 100ns</td>
225 substitute any possible talker ID your receiver might emit -- it will
228 This approach has a drawback. It is easy to use for single-system
229 receivers, but it cannot separate the data streams for multi-system
233 quality to the receiver; the driver is not able to cherry-pick the best
280 <td rowspan="6" align="center">4-6</td>
308 <td>Write the sub-second fraction of the receive time stamp to the
325 <td align="center">10-15</td>
328 <td>reserved - leave 0</td>
359 with a good hold-over characteristic, but most likely
391 1-second cycle at 4800 bps, but high-speed high-volume NMEA data is likely
407 by default reduced to GPS time again and then (re-)mapped according to the
425 clockstats file and available with <code>ntpq -c clockvar</code>.
433 <pre>
434 56299 76876.691 127.127.20.20 $GPGGA,212116.000,3726.0785,N,12212.2605,W,1,05,2.0,17.0,M,-25.7,M,,0…
435 </pre>
504 <h4>Setting up the Garmin GPS-25XL</h4>
507 <pre>"$PGRMO,,2<cr><lf>"</pre>
509 <pre>"$PGRMO,GPRMC,1<cr><lf>"</pre>
513 <pre>"$PGRMC,,,,,,,,,,,,2<cr><lf>"</pre>
519 …<dd>Specifies the PPS time offset calibration factor, in seconds and fraction, with default 0.0.</…
521 …<dd>Specifies the serial end of line time offset calibration factor, in seconds and fraction, with…