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4 <title>Chrono-log K-series WWVB receiver</title>
8 <h3>Chrono-log K-series WWVB receiver</h3>
12 Address: 127.127.32.<i>u</i><br>
13 Reference ID: <TT>CHRONOLOG</TT><br>
14 Driver ID: <tt>CHRONOLOG</tt><br>
15 Serial Port: <tt>/dev/chronolog<i>u</i></tt>; 2400 bps, 8-bits,
17 <br>Features: <tt>(none)</tt>
19 This driver supports the Chrono-log K-series WWVB receiver. This is a
20 very old receiver without provisions for leap seconds, quality codes,
21 etc. It assumes output in the local time zone, and that the C library
22 mktime()/localtime() routines will correctly convert back and forth
23 between local and UTC. There is a hack in the driver for permitting
24 UTC, but it has not been tested.
26 <P>Most of this code is originally from refclock_wwvb.c with thanks. It
27 has been so mangled that wwvb is not a recognizable ancestor.
29 Timecode format: Y yy/mm/ddCLZhh:mm:ssCL
30 Y - year/month/date line indicator
31 yy/mm/dd -- two-digit year/month/day
32 C - \r (carriage return)
34 Z - timestamp indicator
40 Last modified: Sun Feb 14 11:57:27 EST 1999