HP 29 GPS: the view from 9865 meters!
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06-02-2017, 06:01 AM
Post: #5
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RE: HP 29 GPS: the view from 9865 meters!
(06-01-2017 10:40 PM)Paul Dale Wrote:(06-01-2017 08:29 PM)PANAMATIK Wrote: Does the GPS system show altitudes above 100 km ? That's interesting. I knew only of the software imposed position inaccuracy, which is deactivated for civilian areas today, but of course from military view height and speed would be important informations for enemy missiles. From mathematical view GPS could provide altitudes high above (on the other side of) the GPS satellites up to many thousands of kilometers to get positions relative to earth, until distances are too far to get high angles between them. But I assume no GPS satellite will direct its signals away from earth, it would be a waste of transmission power. I don't know what happens in the HP-29E GPS when more than 1000 knots are displayed (see picture no digit left), Geoff, please keep below this barrier. Bernhard That's one small step for a man - one giant leap for mankind. |
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