Damn, more googling has turned up something....
"Velocity of a radio wave that is radiated into space by a transmitting antenna is simply that speed at which the wave travels. Radio waves travel in free space at about speed of light and the waves traveling inside earth's atmosphere have lesser speed due to barometric pressure, humidity, molecular content and so on. The frequency of radio wave has nothing to do with the wave velocity."
Again, this means (or implies) that Radio waves SLOW down in the atmosphere too.... but.....does this then mean that the Speed of Light and the Speed of Radio waves in the atmosphere is therefore different? Ie not the SAME?
Yes, I would then say it is.
Therefore the answer to the question asking:
Q2) Is the speed of light and radio waves the same in the atmosphere?
I would say NO.
Does that logic seem right?
Chris
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