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    Mapping of radio frequency electromagnetic field exposure levels in outdoor environment and comparing with reference levels for general public health
    (Springernature, 2018) Cansiz, Mustafa; Abbasov, Teymuraz; Kurt, M. Bahattin; Celik, A. Recai
    In this study, radio frequency electromagnetic field exposure levels were measured on the main streets in the city center of Diyarbakir, Turkey. Measured electric field levels were plotted on satellite imagery of Diyarbakir and were compared with exposure guidelines published by the International Commission on Non-Ionizing Radiation Protection (ICNIRP). Exposure measurements were performed in dense urban, urban and suburban areas each day for 7 consecutive days. The measurement system consisted of high precision and portable spectrum analyzer, three-axis electric field antenna, connection cable and a laptop which was used to record the measurement samples as a data logger. The highest exposure levels were detected for two places, which are called Diclekent and Batikent. It was observed that the highest instantaneous electric field strength value for Batikent was 7.18 V/m and for Diclekent was 5.81 V/m. It was statistically determined that the main contributor band to the total exposure levels was Universal Mobile Telecommunications System band. Finally, it was concluded that all measured exposure levels were lower than the reference levels recommended by ICNIRP for general public health.
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    Mobile measurement of radiofrequency electromagnetic field exposure level and statistical analysis
    (Elsevier Sci Ltd, 2016) Cansiz, Mustafa; Abbasov, Teymuraz; Kurt, Muhammed Bahattin; Celik, Ali Recai
    In this study, radiofrequency electromagnetic field exposure levels were measured as mobile on the main streets of Diyarbakir during a week. The measurements were carried out using high precision spectrum analyzer with an isotropic antenna mounted on the top of a car. With this mobile measurement, large areas were measured in a short time and information about characteristics of electromagnetic environment was obtained quickly. Measurement results showed that measurement values were not in normal distribution and variances between independent variables were not homogeneous. According to Spearman's rho correlation coefficient, there was no strong correlation between measurement days. In terms of mean electric field values, contribution of each band to total band was arranged as UMTS DL, GSM900 DL, GSM1800 DL, TV4-5, FM, and TV3 band, respectively. It was determined that all measurement values were below the reference levels of the International Commission on Non-Ionizing Radiation Protection. (C) 2016 Elsevier Ltd. All rights reserved.