1132451Sroberto<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2132451Sroberto 3132451Sroberto<html> 4132451Sroberto 5182007Sroberto <head> 6182007Sroberto <meta http-equiv="content-type" content="text/html;charset=iso-8859-1"> 7182007Sroberto <title>Forum Graphic GPS Dating station</title> 8182007Sroberto <link href="scripts/style.css" type="text/css" rel="stylesheet"> 9182007Sroberto </head> 10132451Sroberto 11182007Sroberto <body> 12182007Sroberto <h3>Forum Graphic GPS Dating station</h3> 13280849Scy<p>Last update: 14280849Scy <!-- #BeginDate format:En2m -->21-Oct-2010 23:44<!-- #EndDate --> 15280849Scy UTC</p> 16182007Sroberto <hr> 17182007Sroberto <h4>Synopsis</h4> 18182007Sroberto <p>Address: 127.127.37.<i>u</i><br> 19182007Sroberto Reference ID: <tt>GPS</tt><br> 20182007Sroberto Driver ID: <tt>GPS</tt><br> 21182007Sroberto Parallel Port: <tt>/dev/fgclock<i>u</i></tt></p> 22182007Sroberto <h4>Description</h4> 23182007Sroberto <p>This driver supports the Forum Graphic GPS Dating station sold by <a href="http://www.emr.fr/gpsclock.html">EMR company</a>.</p> 24182007Sroberto <p>Unfortunately sometime FG GPS start continues reporting of the same date. The only way to fix this problem is GPS power cycling and ntpd restart after GPS power-up.</p> 25182007Sroberto <p>After Jan,10 2000 my FG GPS unit start send a wrong answer after 10:00am till 11:00am. It repeat hour value in result string twice. I wroite a small code to avoid such problem. Unfortunately I have no second FG GPS unit to evaluate this problem. Please let me know if your GPS has no problems after Y2K.</p> 26182007Sroberto <p></p> 27182007Sroberto <h4>Monitor Data</h4> 28182007Sroberto <p>Each timecode is written to the <tt>clockstats</tt> file in the format <tt>YYYY YD HH MI SS</tt>.</p> 29182007Sroberto <h4>Fudge Factors</h4> 30182007Sroberto <dl> 31182007Sroberto <dt><tt>time1 <i>time</i></tt> 32182007Sroberto <dd>Specifies the time offset calibration factor, in seconds and fraction, with default 0.0. 33182007Sroberto <dt><tt>time2 <i>time</i></tt> 34182007Sroberto <dd>Not used by this driver. 35182007Sroberto <dt><tt>stratum <i>number</i></tt> 36182007Sroberto <dd>Specifies the driver stratum, in decimal from 0 to 15, with default 0. 37182007Sroberto <dt><tt>refid <i>string</i></tt> 38182007Sroberto <dd>Specifies the driver reference identifier, an ASCII string from one to four characters, with default <tt>FG</tt>. 39182007Sroberto <dt><tt>flag1 0 | 1</tt> 40182007Sroberto <dd>Not used by this driver. 41182007Sroberto <dt><tt>flag2 0 | 1</tt> 42182007Sroberto <dd>Not used by this driver. 43182007Sroberto <dt><tt>flag3 0 | 1</tt> 44182007Sroberto <dd>Not used by this driver. 45182007Sroberto <dt><tt>flag4 0 | 1</tt> 46182007Sroberto <dd>Not used by this driver. 47182007Sroberto </dl> 48182007Sroberto <hr> 49182007Sroberto <address>Dmitry Smirnov (das@amt.ru)</address> 50182007Sroberto <hr> 51182007Sroberto <script type="text/javascript" language="javascript" src="scripts/footer.txt"></script> 52182007Sroberto </body> 53132451Sroberto 54280849Scy</html> 55