/contrib/ntp/html/drivers/driver32.html
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1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2 3<html> 4 5 <head> 6 <meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> 7 <title>Chrono-log K-series WWVB receiver</title> 8 <link href="scripts/style.css" type="text/css" rel="stylesheet"> 9 </head> 10 11 <body> 12 <h3>Chrono-log K-series WWVB receiver</h3> 13 <hr> 14 <h4>Synopsis</h4> 15 <p>Address: 127.127.32.<i>u</i><br> 16 Reference ID: <tt>CHRONOLOG</tt><br> 17 Driver ID: <tt>CHRONOLOG</tt><br> 18 Serial Port: <tt>/dev/chronolog<i>u</i></tt>; 2400 bps, 8-bits, no parity<br> 19 <br> 20 Features: <tt>(none)</tt></p> 21 <h4>Description</h4> 22 <p>This driver supports the Chrono-log K-series WWVB receiver. This is a very old receiver without provisions for leap seconds, quality codes, etc. It assumes output in the local time zone, and that the C library mktime()/localtime() routines will correctly convert back and forth between local and UTC. There is a hack in the driver for permitting UTC, but it has not been tested.</p> 23 <p>Most of this code is originally from refclock_wwvb.c with thanks. It has been so mangled that wwvb is not a recognizable ancestor.</p> 24 <pre> 25Timecode format: Y yy/mm/ddCLZhh:mm:ssCL 26Y - year/month/date line indicator 27yy/mm/dd -- two-digit year/month/day 28C - \r (carriage return) 29L - \n (newline) 30Z - timestamp indicator 31hh:mm:ss - local time 32</pre> 33 <!-- hhmts start -->Last modified: Sun Feb 14 11:57:27 EST 1999 <!-- hhmts end --> 34 <hr> 35 <script type="text/javascript" language="javascript" src="scripts/footer.txt"></script> 36 </body> 37 38</html>