diff options
| author | Eric S. Raymond <esr@thyrsus.com> | 2005-06-29 20:38:44 +0000 |
|---|---|---|
| committer | Eric S. Raymond <esr@thyrsus.com> | 2005-06-29 20:38:44 +0000 |
| commit | 7034fb6917d6afc9851dc79518fa1ce83a767e67 (patch) | |
| tree | a4b8e41bbc8edd029c93b45210d9e71154fb3eac /gpsd.xml | |
| parent | cba6b916920d78ef3e002061f1229d6c4debecac (diff) | |
| download | gpsd-7034fb6917d6afc9851dc79518fa1ce83a767e67.tar.gz | |
Experimental code to hunt for a DGPSIP server.
Diffstat (limited to 'gpsd.xml')
| -rw-r--r-- | gpsd.xml | 24 |
1 files changed, 19 insertions, 5 deletions
@@ -21,7 +21,7 @@ <arg choice='opt'>-f <replaceable>GPS-devicename</replaceable></arg> <arg choice='opt'>-F <replaceable>control-socket</replaceable></arg> <arg choice='opt'>-S <replaceable>listener-port</replaceable></arg> - <arg choice='opt'>-d <replaceable>DGPS-server</replaceable></arg> + <arg choice='opt'>-d <replaceable>DGPSIP-server</replaceable></arg> <arg choice='opt'>-n </arg> <arg choice='opt'>-N </arg> <arg choice='opt'>-h </arg> @@ -56,10 +56,12 @@ protocol used by the USB version of the Garmin 18 and other Garmin USB GPSes. <application>gpsd</application> effectively hides the differences among these.</para> -<para>Optionally, <application>gpsd</application> may get -differential-GPS corrections from a ground station running a RTCM-S104 -server; this will improve user error by roughly a factor of four. -See <xref linkend='accuracy'/> for discussion.</para> +<para><application>gpsd</application> can use differential-GPS +corrections from a ground station running a DGPSIP server that reports +RTCM-S104 data; this will improve user error by roughly a factor of +four. If no server is specified, <application>gpsd</application> will +hunt for one. See <xref linkend='accuracy'/> and <xref +linkend='files'/> for discussion.</para> <para>The program accepts the following options:</para> <variablelist remap='TP'> @@ -781,6 +783,18 @@ device if no GPS device was specified on the command line does not exist.</para> </listitem> </varlistentry> +<varlistentry> +<term><filename>/usr/share/gpsd/dgpsip-servers</filename></term> +<listitem> +<para>A text file listing DGPSIP servers worldwide. If no DGPSIP +server is specified at startup (via the -d option) +<application>gpsd</application> will look here to find the +nearest one. Each line has three space-separated fields: +latitude (decimal degrees), longitude (decimal degrees) and +a server name (optionally followed by a colon and a port number). +Text following # on a line is ignored. Blank lines are ignored.</para> +</listitem> +</varlistentry> </variablelist> </refsect1> |