[aprssig] KC8UCH balloon over western PA right now, reaching NE Maryland by 10am

jdw at eng.uah.edu jdw at eng.uah.edu
Mon Apr 2 15:21:35 CDT 2007

Eric Christensen wrote:
> How about by speed.  If the speed goes to zero then you are probably on
> the ground.

Nope.  speed over the ground gets pretty low sometimes, especially at peak
altitude.  Not at all impossible for speed over the ground to be zero.

If speed _stays_ zero for a while, you're probably on the ground.


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