Tie them to Atlas' prop with a
hundred feet or so of thread or very light
string.

Considering the airshow occuring right nearby, that's probably a Very
Bad Idea.

How about using radios? Agree on a frequency and monitor it.

Jose
--
Quantum Mechanics is like this: God =does= play dice with the universe,
except there's no God, and there's no dice. And maybe there's no universe.
for Email, make the obvious change in the address.