能制造电磁辐射污染的污染源无处不在，有电视广播发射塔、雷达站、通信发射台、变电站，高压电线，还有电脑、手机、微波炉、电磁灶等。电磁波在空中是直线传播的，理论上讲电视塔附近的电磁强度比较小，类似“灯下黑的感觉”。
西恩塔是多伦多都会的标记，它既是电视发射塔，又是旅游和文明运动胜地。
CN tower is the sign of the city of Toronto, both as television transmission tower, is tourism and cultural activities resort.
泰州电视发射塔，高218米，集信号发送与接收、观光旅游等功能于一体，泰州城标志性建筑之一。
It is one of symbolic buildings of Taizhou City with 218 meters high and with mutual functions of TV transmitting and receiving, and sightseeing.
另一座高46米，建成于1971年，是当年我省在高山上建造的第二座广播电视发射塔，712发射台因此得名。
The other 46 meters tall, completed in 1971, is in our province in the high mountains to the construction of the second a radio and TV towers, 712 launch pad originated.
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