On Thu, 21 Nov 2002 12:06:26 -0200, you wrote: >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 Probably because GPS was originally aimed as sea and air navigation, I believe both traditionally use knots. =20 -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body