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Research Articles

Human exposure to RF radiation in Sri Lanka

Authors:

MAA Karunarathna ,

Department of Electronic and Telecommunication, University of Moratuwa, Moratuwa, 10400, Sri Lanka, LK
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IJ Dayawana

Department of Electronic and Telecommunication, University of Moratuwa, Moratuwa, 10400, Sri Lanka, LK
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Abstract

This paper presents the exposure levels of major cities in Sri Lanka due to the different RF emitters. As the RF emitters, the transmitting antennas of FM radio, TV and Cellular Mobile Base stations were considered. Field strength measurements were made at several locations in big cities and the exposure levels were obtained using a dipole antenna mounted 1.4m above the ground level to consider the exposure to RF radiation by the general public. The results were compared with the internationally recognized FCC standards and the present exposure levels were found to be well below the maximum limits set by the standards. The percentage distribution of electromagnetic field radiated from FM radio, TV and Cellular Mobile services for different environments are also presented. In addition, the unsafe distances to live from different transmitting antennas are presented.  

doi:10.4038/sljp.v6i0.198  

Sri Lankan Journal of Physics, Vol. 6 (2005) 19-32  

How to Cite: Karunarathna, M. & Dayawana, I., (2005). Human exposure to RF radiation in Sri Lanka. Sri Lankan Journal of Physics. 6, pp.19–32. DOI: http://doi.org/10.4038/sljp.v6i0.198
Published on 15 Dec 2005.
Peer Reviewed

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