Why Can’t Fm Waves Travel As Far As Am Waves?

Why Can’t Fm Waves Travel As Far As Am Waves? However, the relatively short wavelengths of FM waves means that they don’t reflect off the ionosphere as AM waves do. Instead, FM waves pass through the ionosphere and out into space. This is also shown in the Figure below. As a result, FM waves cannot

How Fast Do Digital Radio Signals Travel?

How Fast Do Digital Radio Signals Travel? Sound travels at approximately 1,100 feet per second (766 miles per hour). Radio waves travel at the speed of light, which is approximately 186,000 miles per second. How fast does a radio signal travel? Like all waves of the electromagnetic spectrum, radio waves travel at the speed of