Reception of RF signals is acute to the admeasurement of obstruction in the aisle amid the transmitter and the receiver. Generally speaking, if the admeasurement exceeds the amicableness the accession is interrupted. Since the amicableness is inversely proportional to frequency, it follows than that the college abundance advertisement is added acute to altar amid the transmitter and receiver. If the transmitter and the receiver were at the adverse abandon of a hill, MW radio signals may be received, but UHF TV signals won’t be accustomed at all. That’s why the transposers are mostly active for VHF and UHF broadcasting (television and FM radio).
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