遵照伟大领袖毛主席关于“努力办好广播,为全中国人民和全世界人民服务”的教导,为了进一步提高有线广播的传输质量,减少传输损耗,近来,我们对有线广播网的地线做了一些调查、研究和改进。这里,谈谈我们的一些体会。在单线传输的有线广播系统中,利用大地代替一根导线来完成回路,因此,广播设备与 Following the example of Chairman Mao, the great leader, on “making every effort to improve broadcasting and serve the entire Chinese people and people all over the world”, in order to further improve the transmission quality of cable broadcasting and reduce the transmission loss, we have recently done a study on the ground cable network Some research, research and improvement. Here, to talk about some of our experience. In a one-wire transmission cable broadcasting system, the earth is replaced by a single wire to complete the loop. Therefore, the broadcasting equipment and