長江上游金沙江屏山水文站,以往在測流时岸、船联系方法与一般測站相同,卽用旗語或口呼。該站河面寬虽只有300多公尺,但在汛期漲水时,由于水声很大,岸船通話困难,听不清楚,以致影响岸船间工作的配合。于是該站同志想出了利用过河纜的主索和收放索作为導綫,在船上、岸上分別裝設收、送話器通話(如圖),經实际使用,效果很好。現將裝設方法介紹如下: The upper reaches of the Yangtze River Pingshan Jinsha River hydrological station, in the past when the measured flow shore, the same method of contact with the general station, 卽 semaphore or port call. Although the river is only 300 meters wide at this station, it is difficult to hear calls from the shore ship due to the loud noise during the flooding in the flood season. As a result, the coordination between the shore and the ship is affected. So the station comrades came up with the use of the main cable cable and take the cable as a guide wire, installed on the ship, the shore were received, the microphone calls (pictured), the actual use, the effect is very good. The installation method is described below: