On Thu, 7 Oct 2004, Dwight K. Elvey wrote:
You'd need a few different frequencies. The round
trip to
the moon and back is only 2.6 seconds. It would be much more
reliable if there was a repeater on the moon otherwise the
signal would be weak.
Fill the intervening space with a gas or liquid and do it
accoustically, you'd get a lot more bits in there. I will
hand-wave the accoustic energy loss problems as obvious.