The system of the digital seismograph in Yinchuan seismological station is composed with the seismograph,the GPS time service system,the VSAT satellite communications net and the EDAS-C24 data collection and so on.

• 银川地震台数字地震仪系统由地震计、GPS授时系统、VSAT卫星通讯网、EDAS-C24型数据采集器等组成。