Björn, There are some gps units that work above 60k ft. Some do not. It's a question of trial and error. http://showcase.netins.net/web/wallio/GPSrcvrsvs60kft.htm Do understand about and versus or, though.
Thanks, Norm ---- b...@lysator.liu.se wrote: > The export restricion is really speed & alt above limit. Low speed and > high altitude should be no problem. However many vendors have chosen OR > instead of AND. > > http://www.armscontrol.org/documents/mtcr item 11 > > -- > > Björn > > > > Mike, > > We're launching a weather balloon. Using APRS to track it. The balloon > > will easily reach altitudes in excess of 65535 ft. The tracker only > > accepts nmea input. > > > > Most gps units won't work over that number, for obvious reasons. Why > > bother to code beyond that number as few people will need it as well as > > the export restriction on altitude and speed. > > > > Sounds crazy, but then again, it's time nuts.. > > > > Norm McSweyn > > > > ---- mike cook <mike.c...@orange.fr> wrote: > >> I see "high" is a relative term. > >> > >> em-406a seems to be spec'd for 18000 meters. where are you going? > >> > >> > >> Le 30/05/2010 22:35, normn3...@stny.rr.com a écrit : > >> > Hi all!! > >> > Not all oncores are created the same. I THINK (based on inference)that > >> some of the GT+ receivers don't support nmea. Bad luck on my part to > >> get those. BTW: M12+t's don't support nmea, either. > >> > > >> > I queried the gps id from the board, and noted when I tried to send > >> @@ci from tac32 that it said supported in ver2 and greater.. Mine is > >> ver1. > >> > > >> > Just my luck. > >> > > >> > Anyone got a nmea capable (proven) that they'd like to sell. Must be > >> capable of high altitude flight. > >> > > >> > Thanks. > >> > Norm n3yfk > >> > > >> > _______________________________________________ > >> > time-nuts mailing list -- time-nuts@febo.com > >> > To unsubscribe, go to > >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > >> > and follow the instructions there. > >> > > >> > > >> > > >> > > >> > >> > >> > >> > >> _______________________________________________ > >> time-nuts mailing list -- time-nuts@febo.com > >> To unsubscribe, go to > >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > >> and follow the instructions there. > > > > > > _______________________________________________ > > time-nuts mailing list -- time-nuts@febo.com > > To unsubscribe, go to > > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > and follow the instructions there. > > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.