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Subject: Re: Portable Speed Meter

Date: 08/13/00 at 12:56 PM
Posted by: Peter Schmidt
E-mail: ltec@internet.look.ca
Message Posted:

In Reply to: Portable Speed Meter posted by Rodrigo Ritzel on 07/15/00 at 9:09 PM:

In real live air planes it's done by
mesure air pressure.
You need to messure the streaming pressure,
and substract the surrounding pressure.
This will give you the airspeed.
If you need the the speed over ground, it's
a little bit more difficult, because it's
done by radar.

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