Fm radio frequency and distance?!


Question:

Fm radio frequency and distance?

If a FM channel opens a new state/region, can they use the same frequency?

What is the distance that FM can reach?

Why is the FM Quality better than the traditional radio transistors which produce a lot of disturbance?

I am in Hyderabad, India.


Answers:

with all radio frequency, the higher the frequency, the shorter the distance the signal will travel. The stations at the low end of the dial travel farther that the stations at the high end assuming equal power. This is why AM stations travel so much farther than FM stations. In general, a properly powered FM station, in a reasonable topography, is reliable in a 50 mile radius but the radio police will not allow the same frequency to operate within a 200 mile radius.

AM (Amplitude modulation) has lower bandwidth than FM(Frequency modulation). This is why the sound quality is better on FM and why FM was the first to be able to broadcast in "stereo". AM can do it now, but that is how it started.


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