>IT had a HORRIBLE lag.  For example; it was still "climbing" to a peak of
>about 1000ft while we descended from a 1600ft summit.  This slow response
>would be un-noticable on a bicycle.  A car, or a sailplane, can change
>altitude very rapidly.

Owning both of the bike altimeters that have come to market, this sounds
like the 'Avocet 50' altimeter.  This altimeter goes to sleep and only
refreshes once per minute (?) or so when in sleep mode.   When on the bike
it stays in the 'running' mode and the update is once per second or so.

Using it in a model would be essentially useless, since there's no way to
track the highest point or anything similar.  One (or both) will track
accumulated climbing or descending, but if the plane descends 50 feet and
back up 200, then your accumulation will show up as a sum of the two or
more ascents, and the total won't reflect the actual highest achieved
altitude.

On a bike they're still fun (and irritating) to track altitude and
accumulated climbing.   Irritating cuz the hill seemed bigger than it
really was. :)

--
        -swb- (Steven Bixby - [EMAIL PROTECTED])
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