Hi,


> > OK, so I was asked to put together a GPS speedometer. I thought it would
>
> IIRC one of the NMEA0183 messages gives speed, possibly in knots, but I
> thought it was MPH.


    It is surely in knots in the $GPRMC message. I am not sure why but it
does seem to get crazy less often than the position information.

Best regards,
Alexandre Guimaraes

--
http://www.piclist.com#nomail Going offline? Don't AutoReply us!
email listserv@mitvma.mit.edu with SET PICList DIGEST in the body