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

[jdw at eng.uah.edu]

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.

-Jason
kg4wsv