雷电,是山区电视转播台的大敌,是造成停播事故的重要原因之一。据日本有关资料统计,因雷击造成的停播事故,约占总停播事故的一半以上。我区小功率电视转播台的实践,也证明了这一点。因此防雷问題必须引起高度重视。一、雷电的形成及种类雷电的产生一般有三种原因。其一是潮湿的空气因受热而急剧上升;其二是冷暖气流交 Thunder and lightning, is the enemy of mountain TV relay stations, is one of the important reasons for the stop-off accident. According to the statistics of Japan, more than half of the total off-season accidents occurred due to stop-off incidents caused by lightning strikes. The practice of our district low-power television relay stations also proves this. Therefore, the problem of lightning protection must be given high priority. First, the formation of lightning and the types of lightning There are three general reasons. One is the humid air due to heat and a sharp rise; the second is cold and warm air pay