Propagation Path Loss Model for FM Radio Stations In South West, Nigeria

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Y. O. Olasoji
S. A. Oyetunji

Abstract

Quality coverage is the key goal in broadcasting industry. Propagation prediction is useful in determining the effect of the channel on the signal between the transmitter and the receiver. It is based on the scientific modeling of the radio path for predicting accurately signal strength at various frequencies over distances influenced by ground conductivity, atmospherics and terrain. This work sets out to determine the propagation model that is best suitable for predicting the path loss of VHF radio signals in Southwestern part of Nigeria using Federal University of Technology, Akure (FUTA) frequency modulated (FM) radio station as a case stiudy. Empirical approach was adopted to arrive at the model and the result was compared with some existing prediction models which have wide acceptability. The result shows high level of correlation which makes it useful in antenna orientation and for predicting FM signals propagation in South Western part of Nigeria.

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