"Michael Coslo" wrote
...

You people are all barking up the wrong tree. Phlogiston theory is where
it is at. Everything since then is nothing but gobbldygook. Including that
Johnny come lately, Aether theory.

Are many of Aether theories:
http://en.wikipedia.org/wiki/Timelin...iferous_aether

Some of them were erroneous.
But the question what is the medium for radio waves remain.

There are the two issues. Is it movable or not and what is made of.

The first was judged by Michelson:

"1925 - the Michelson-Gale-Pearson experiment produces a positive result
while attempting to detect the effect of Earth's rotation on the velocity of
light. The significance of the experiment remains debated to this day, but
this planetary Sagnac effect is measured by ring laser gyros and taken into
account by the GPS system."

So we know that the aether rotate with the Sun but not rotate with The
Earth.

The last proposition for the second was made by Dirac. In space is en
electron see. So the medium for radio waves are free electrons. In the space
are also ions, atoms and dust. It has name Interstellar Medium (ISM).
S*