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为了简单而有效地解决山脚、河谷等无干扰的电视阴影区的电视接收问题,试制了带抛物反射面五单无八木天线的小功率电视转播装置。此装置易于取材和制造。可不必使用诸如扫频仪等专用仪器、无需繁杂的控制管理、耗
In order to solve the problem of TV reception in the shadowless area such as the foot of a mountain and the valley without interference easily and effectively, a small-power television broadcasting device with a parabolic reflection surface of five single and no Yagi antennas was trial-manufactured. This device is easy to draw and manufacture. You do not have to use special instruments such as scanners, without complicated control management, consumption