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authorEric S. Raymond <esr@thyrsus.com>2014-05-21 06:09:46 -0400
committerEric S. Raymond <esr@thyrsus.com>2014-05-21 06:09:46 -0400
commit072d5920d4ddddd9bdc85b8628bf8dafaef4979e (patch)
treedb5a413a4c0f1b1a918447733d0ef42e7e95626d /www/NMEA.txt
parent79fb0d6d8d43fdc7913b3ce7c61043df6f469e8b (diff)
downloadgpsd-072d5920d4ddddd9bdc85b8628bf8dafaef4979e.tar.gz
Added NMEA version timeline.
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@@ -65,6 +65,22 @@ While newer marine electronics uses this protocol, general-purpose
GPSes have not adopted it. Thus we do not attempt to document NMEA
2000 here; see <<CANBUS>>, <<NMEA2000>>, and <<KEVERSOFT>> instead.
+== NMEA version timeline ==
+
+|========================================================================
+|NMEA 2.00 | January 1992
+|NMEA 2.01 | August 1994
+|NMEA 2.10 | October 1995
+|NMEA 2.20 | January 1997
+|NMEA 2.30 | March 1998
+|NMEA 3.00 | July 2000
+|NMEA 3.01 | January 2002
+|NMEA 4.00 | November 2008
+|NMEA 4.10 | July 2012
+|========================================================================
+
+No version earlier than 2.00 is listed or archived on the NMEA website.
+
== NMEA 0183 physical protocol layer ==
The NMEA specification requires a physical-level protocol compatible