-800 meters ?? Live in a mine ?? How can that be ? 73, Dick, W1KSZ
-----Original Message----- >From: "James R. Gorr" <[email protected]> >Sent: Dec 27, 2008 9:26 PM >To: [email protected] >Subject: [time-nuts] altitude difference between two gps > >Hello everyone! > >I have a tbolt that I am monitoring with tboltmon.exe and some off-brand 12 >channel GPS (I bought from Sure Electronics on eBay) that I am monitoring with >VisualGPS. Both are fed from the same GPS antenna through a symmetricom >splitter. There is a 30 meter difference in the altitude readings between the >two. My tbolt says my altitude (after a self-survey) is ~761 meters and the >12 channel Sure Electronics GPS says my altitude is ~791 meters after 7,500+ >readings. I took my hand held Garmin 12XL outside and it says my altitude is >~790 meters at street level. > >Anyone have an idea why my tbolt might be reading different from the other two >devices? I am assuming the tbolt is reading low. > >Jamie > > > > >_______________________________________________ >time-nuts mailing list -- [email protected] >To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
