diff options
Diffstat (limited to 'man/gpsd_json.xml')
| -rw-r--r-- | man/gpsd_json.xml | 154 |
1 files changed, 100 insertions, 54 deletions
diff --git a/man/gpsd_json.xml b/man/gpsd_json.xml index 1c868b61..98fcdc96 100644 --- a/man/gpsd_json.xml +++ b/man/gpsd_json.xml @@ -9,7 +9,7 @@ SPDX-License-Identifier: BSD-2-clause <!ENTITY gpsdsock "/var/run/gpsd.sock"> ]> <refentry id='gpsd_json.5'> -<refentryinfo><date>17 Jun 2018</date></refentryinfo> +<refentryinfo><date>23 Mar 2019</date></refentryinfo> <refmeta> <refentrytitle>gpsd_json</refentrytitle> <manvolnum>5</manvolnum> @@ -135,98 +135,134 @@ Others may be reported or not depending on the fix quality.</para> is not 2 or 3.</entry> </row> <row> - <entry>ept</entry> + <entry>alt</entry> <entry>No</entry> <entry>numeric</entry> - <entry>Estimated timestamp error (%f, seconds, 95% confidence). - Present if time is present.</entry> + <entry>Altitude in meters. Present if mode is 3.</entry> </row> <row> - <entry>lat</entry> + <entry>climb</entry> <entry>No</entry> <entry>numeric</entry> - <entry>Latitude in degrees: +/- signifies North/South. Present - when mode is 2 or 3.</entry> + <entry>Climb (positive) or sink (negative) rate, meters per + second.</entry> </row> <row> - <entry>lon</entry> + <entry>epc</entry> <entry>No</entry> <entry>numeric</entry> - <entry>Longitude in degrees: +/- signifies East/West. Present - when mode is 2 or 3.</entry> + <entry>Estimated climb error in meters per second. Present + if consecutive 3D fixes. + Assumed to be 95% confidence, but many GPS do not specify. + </entry> </row> <row> - <entry>alt</entry> + <entry>epd</entry> <entry>No</entry> <entry>numeric</entry> - <entry>Altitude in meters. Present if mode is 3.</entry> + <entry>Estimated track (direction) error in degrees. Present if + sonsecutive 2D fixes. + Assumed to be 95% confidence, but many GPS do not specify. + </entry> +</row> +<row> + <entry>eph</entry> + <entry>No</entry> + <entry>numeric</entry> + <entry>Estimated horizontal Position (2D) Error in meters. + Also known as Estimated Position Error (epe). Present + if mode is 2D or 3D and DOPs can be calculated from the satellite + view. Assumed to be 95% confidence, but many GPS do not specify. + </entry> +</row> +<row> + <entry>ept</entry> + <entry>No</entry> + <entry>numeric</entry> + <entry>Estimated timestamp error (%f, seconds, 95% confidence). + Present if time is present.</entry> +</row> +<row> + <entry>epv</entry> + <entry>No</entry> + <entry>numeric</entry> + <entry>Estimated vertical error in meters. Present + if mode is 3 and DOPs can be calculated from the satellite + view. Assumed to be 95% confidence, but many GPS do not specify. + </entry> </row> <row> <entry>epx</entry> <entry>No</entry> <entry>numeric</entry> - <entry>Longitude error estimate in meters, 95% confidence. Present - if mode is 2 or 3 and DOPs can be calculated from the satellite - view.</entry> + <entry>Longitude error estimate in meters. Present + if mode is 2D or 3D and DOPs can be calculated from the satellite + view. Assumed to be 95% confidence, but many GPS do not specify. + </entry> </row> <row> <entry>epy</entry> <entry>No</entry> <entry>numeric</entry> - <entry>Latitude error estimate in meters, 95% confidence. Present + <entry>Latitude error estimate in meters. Present if mode is 2 or 3 and DOPs can be calculated from the satellite - view.</entry> + view. Assumed to be 95% confidence, but many GPS do not specify. + </entry> </row> <row> <entry>epv</entry> <entry>No</entry> <entry>numeric</entry> - <entry>Estimated vertical error in meters, 95% confidence. Present + <entry>Estimated vertical error in meters. Present if mode is 3 and DOPs can be calculated from the satellite - view.</entry> + view. Assumed to be 95% confidence, but many GPS do not specify. + </entry> </row> <row> - <entry>track</entry> + <entry>eps</entry> <entry>No</entry> <entry>numeric</entry> - <entry>Course over ground, degrees from true north.</entry> + <entry>Estimated speed error in meters per second. Present + for consecutive 2D or 3D fixes. + Assumed to be 95% confidence, but many GPS do not specify. + </entry> </row> <row> - <entry>magtrack</entry> + <entry>lat</entry> <entry>No</entry> <entry>numeric</entry> - <entry>Course over ground, degrees magnetic.</entry> + <entry>Latitude in degrees: +/- signifies North/South. Present + when mode is 2 or 3.</entry> </row> <row> - <entry>speed</entry> - <entry>No</entry> - <entry>numeric</entry> - <entry>Speed over ground, meters per second.</entry> + <entry>leapseconds</entry> + <entry>integer</entry> + <entry><para>Current leap seconds.</para></entry> </row> <row> - <entry>climb</entry> + <entry>lon</entry> <entry>No</entry> <entry>numeric</entry> - <entry>Climb (positive) or sink (negative) rate, meters per - second.</entry> + <entry>Longitude in degrees: +/- signifies East/West. Present + when mode is 2 or 3.</entry> </row> <row> - <entry>epd</entry> + <entry>track</entry> <entry>No</entry> <entry>numeric</entry> - <entry>Direction error estimate in degrees, 95% confidence.</entry> + <entry>Course over ground, degrees from true north.</entry> </row> <row> - <entry>eps</entry> + <entry>magtrack</entry> <entry>No</entry> <entry>numeric</entry> - <entry>Speed error estinmate in meters/sec, 95% confidence.</entry> + <entry>Course over ground, degrees magnetic.</entry> </row> <row> - <entry>epc</entry> + <entry>speed</entry> <entry>No</entry> <entry>numeric</entry> - <entry>Climb/sink error estimate in meters/sec, 95% confidence.</entry> + <entry>Speed over ground, meters per second.</entry> </row> <row> <entry>ecefx</entry> @@ -276,6 +312,15 @@ Others may be reported or not depending on the fix quality.</para> <entry>numeric</entry> <entry>ECEF velocity error in meters/second.</entry> </row> +<row> + <entry>sep</entry> + <entry>No</entry> + <entry>numeric</entry> + <entry>Estimated Spherical (3D) Position Error in meters. + Present if mode is 3D and DOPs can be calculated from the satellite + view. Assumed to be 95% confidence, but many GPS do not specify. + </entry> +</row> </tbody> </tgroup> @@ -335,26 +380,27 @@ yet, only the "class" field will reliably be present.</para> fractional part of up to .001sec precision.</entry> </row> <row> - <entry>xdop</entry> + <entry>gdop</entry> <entry>No</entry> <entry>numeric</entry> - <entry>Longitudinal dilution of precision, a dimensionless - factor which should be multiplied by a base UERE to get an - error estimate.</entry> + <entry>Geometric (hyperspherical) dilution of precision, a + combination of PDOP and TDOP. A dimensionless factor which + should be multiplied by a base UERE + to get an error estimate.</entry> </row> <row> - <entry>ydop</entry> + <entry>hdop</entry> <entry>No</entry> <entry>numeric</entry> - <entry>Latitudinal dilution of precision, a dimensionless - factor which should be multiplied by a base UERE to get an - error estimate.</entry> + <entry>Horizontal dilution of precision, a dimensionless + factor which should be multiplied by a base UERE to get a + circular error estimate.</entry> </row> <row> - <entry>vdop</entry> + <entry>pdop</entry> <entry>No</entry> <entry>numeric</entry> - <entry>Altitude dilution of precision, a dimensionless + <entry>Position (spherical/3D) dilution of precision, a dimensionless factor which should be multiplied by a base UERE to get an error estimate.</entry> </row> @@ -367,26 +413,26 @@ yet, only the "class" field will reliably be present.</para> error estimate.</entry> </row> <row> - <entry>hdop</entry> + <entry>vdop</entry> <entry>No</entry> <entry>numeric</entry> - <entry>Horizontal dilution of precision, a dimensionless - factor which should be multiplied by a base UERE to get a - circular error estimate.</entry> + <entry>Vertical (altitude) dilution of precision, a dimensionless + factor which should be multiplied by a base UERE to get an + error estimate.</entry> </row> <row> - <entry>pdop</entry> + <entry>xdop</entry> <entry>No</entry> <entry>numeric</entry> - <entry>Spherical dilution of precision, a dimensionless + <entry>Longitudinal dilution of precision, a dimensionless factor which should be multiplied by a base UERE to get an error estimate.</entry> </row> <row> - <entry>gdop</entry> + <entry>ydop</entry> <entry>No</entry> <entry>numeric</entry> - <entry>Hyperspherical dilution of precision, a dimensionless + <entry>Latitudinal dilution of precision, a dimensionless factor which should be multiplied by a base UERE to get an error estimate.</entry> </row> |