The calculation formulas of the electromagnetic field produced by the emission antenna of broadcasting and televisionemission towers and mobile communication stations are given.
This paper makes a brief discussion on the harm upon human health by radio-frequency electromagnetic field and electromagnetic contamination problems of small power televisionemission antenna.
本文就射频电磁场对人体健康的危害以及小功率电视发射天线的电磁污染问题作了简要的论述。
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According to statistics, if we can decrease the time for having the television on by one hour each day, we can deduce the amount of carbon emission by 4.71 kilogram each month.