The ionosphere The ionosphere is the part ofatmosphere we find further than 60 kilometres of altitude. It is called ionosphere because of the radiations coming from the sun. In fact the atmospherical gases by these radiations ionize themselves, it means that their atoms take negative and positive charges.
In this part of the air the radio waves are reflected.
The ionosphere reflects downwards the radio waves according to their length.
The very short waves as the microwaves and the television waves are not reflected and it is for this reason they are utilized to communicate with the spaceborne satellites and more exactly in the esosphere.![]()