How Vehicle Radio Works; Fm Reception; Am Reception - Kia 2016 Optima Owner's Manual

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How Vehicle Radio Works

AM and FM radio signals are broad-

cast from transmitter towers located

around your city. They are intercept-

ed by the radio antenna on your vehi-

cle. This signal is then processed by

the radio and sent to your vehicle

However, in some cases the signal

coming to your vehicle may not be

strong and clear.

This can be due to factors, such as

the distance from the radio station,

closeness of other strong radio sta-

tions or the presence of buildings,

bridges or other large obstructions in

Audio system

AM broadcasts can be received at

greater distances than FM broad-

casts. This is because AM radio

waves are transmitted at low fre-

quencies. These long distance,low

frequency radio waves can follow the

curvature of the earth rather than

travelling straight. In addition, they

curve around obstructions resulting

in better signal coverage.

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