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4 content="text/html;charset=iso-8859-1"><title>GPSD-NG client driver</title>
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17 <!-- #BeginDate format:En2m -->30-Apr-2015 05:53<!-- #EndDate -->
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37 platforms. <i>GPSD</i> can manage several devices in parallel,
39 applications. <i>GPSD</i> can also auto-detect and handle PPS
49 The GPSD-NG protocol is text based, using JSON notation to
61 re-establish a lost or hitherto unsuccessful connection and will
78 driver can operate without the TOFF objects, which are available
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98 the <i>GPSD</i> driver can be active at the same time <b>for
106 it can also be instructed by hot-plug scripts to add or remove
110 identification. This makes the migration from the built-in NMEA
122 mode PPS on devices that are hot-plugged or activated on demand.
124 at <i>GPSD</i>'s <tt>-n</tt> (<i>nowait</i>) option.
127 <!-- --------------------------------------------------------- -->
131 A few operation modes can be selected with the mode word.
151 fudge can be established.
169 cannot be fudge-compensated.
175 120s. Then it reverts to STI-only operation until the PPS
179 feature!</b><br> Switching between strict and STI-only
181 mode only if STI-only works fairly well with your setup,
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201 <p>This driver can create a lot of syslog messages when things go
205 flood throttle can get into the way.</p>
206 <p>Therefore, fudge <i>flag3</i> can be used to <i>disable</i> the
212 <!-- --------------------------------------------------------- -->
216 primary clock unit (u mod 128). A secondary unit processes only
219 the '<tt>noselect</tt>' keyword on the primary unit if you are not
232 only be used if the GPS receiver can be trusted for the quality
235 PPS records can be acquired for some time. The unit also flushes
243 <!-- --------------------------------------------------------- -->
247 is written for the primary clock unit. (The secondary PPS unit
263 <td>(Pseudo-) IP address of clock unit.</td>
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315 <dd><em>[Primary Unit]</em> Specifies the TPV/TIME time offset
329 <dd><em>[Primary Unit]</em> When set, <u>disables</u> the
334 <dt><tt>flag3 0 | 1</tt></dt><dd><em>[Primary Unit]</em>
338 errors can easily fill up the log, so this should only be
340 <dt><tt>flag4 0 | 1</tt></dt><dd><em>[Primary Unit]</em>
345 <!-- -- footnotes -------------------------------------------- -->
349 an decoding is done only once by the primary unit. The decoded
352 same data twice, but the primary unit is always needed as a
357 indicates the receiver has no fix. It can also deal with
362 a possible PPS peer: These get extra clout and can effectively