On Wed, 29 Oct 2003 10:02:06 +0000, Robert Ehrlich
wrote:


Why telephone rather than radio? Radio let everybody know what is
happening, rather than only the two persons at bot end of telephone.
Likely mandatory when there is some other activity in parallel (aero
tow, power flying ...).

Nothing worse than someone else interfering during the critical phase
of a winch launch (initial acceleration).

Bye
Andreas