article · International Journal of Science and Technology Research Archive
Electromagnetic radiation from AM and FM radio transmitters was evaluated to determine human exposure levels and assess compliance with international safety standards. Using a calibrated radiofrequency meter, field measurements were gathered across various distances, terrain types, and building densities. The data revealed that radiofrequency power densities drop significantly as distance from transmitter masts increases, with urban environments experiencing faster attenuation because of physical obstructions. Across all surveyed locations, radiation levels remained below the thresholds set by the International Commission on Non-Ionizing Radiation Protection, pointing to minimal immediate health risks for the public. However, ongoing monitoring is advised to account for cumulative exposure from multiple transmitters and potential adjustments in broadcasting power or antenna configurations.
Widespread expansion of broadcast infrastructure often raises concerns regarding the safety of public exposure to electromagnetic fields. By confirming that measured transmitter radiation levels remain well below international safety guidelines, this work offers evidence-based reassurance to communities. It also provides public health authorities and regulators with practical baseline evidence to evaluate and safeguard environmental health.
The research provides applied baseline environmental data rather than a commercial product. Broadcasting regulators, public health agencies, and telecommunications operators can directly use these measurement protocols and findings to verify regulatory compliance, assess mast locations, and design monitoring programmes. The application is ready for immediate operational and policy use.
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This study assesses the electromagnetic radiation emitted from AM and FM radio transmitters to evaluate potential exposure levels and their compliance with international safety standards. Field measurements were conducted at varying distances and in different environmental settings using a calibrated radiofrequency (RF) meter. The study considered factors such as terrain type, building density, and proximity to transmitter masts. Data were analyzed to determine spatial variations in signal strength, attenuation patterns, and possible human exposure risks. Results indicate that RF power densities decrease significantly with increasing distance from the transmitters, with urban environments showing more rapid attenuation due to obstructions. Measured values across all surveyed points remained below the International Commission on Non-Ionizing Radiation Protection (ICNIRP) recommended limits, suggesting minimal immediate public health risk. However, continuous monitoring is recommended to account for potential changes in broadcasting power, antenna configurations, and cumulative exposure from multiple sources. This research provides valuable baseline data for policymakers, health agencies, and broadcasting regulators in managing electromagnetic radiation in the environment.
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DOI: 10.53771/ijstra.2025.9.1.0052
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