Nate Duehr wrote:

> Another possibility... an analog altimeter with a high altitude
> needle... they land, look at it and say, "Well... you can see that's
> not exactly 3000m... it's a hair lower..."... [pause]... "Oh hell,
> just call it 2499m and let's go home.  We did something no one else
> has ever done today... that's good enough.  Let the PICList argue as
> much as they want about it later."

After the adrenaline rush, shydivers are addicted to toys. I am
pretty impressed with the technology they are using. The
typical usb data logging altimeter fits inside helmet is
permanately on,  self calibrating and profiles the details of
the last the 10 jumps or so and incidentally is a pull alarm.

The accuracy is about  +/- 1.2%. The following manual
is typical

http://www.l-and-b.dk/pdf/english_protrack.pdf


w..





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