On Tue, Dec 29, 2009 at 12:01 AM, Liz <ed...@billiau.net> wrote: > There are many sources of error in SRTM and GPS and barometric height > measures. > First of all > Height compared to what? >
WGS84 adjusted by the deviation between WGS84 and EGM96 at the lat/lon of the measurement? Would that work? A fast bicycle descent wrecks the height calculation because the processor > is > too slow. > Could that be resolved by asking it to output raw WGS84 altitudes and then doing the calculations to adjust it to MSL offline? Just questions. I don't know enough about this stuff to have the answers.
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