jgg     2013 33 (增2):  91-92    ISSN: 0412-1961  CN: 21-1139/TG DESIGN OF REMOTE SEISMIC MONITORING SYSTEM BASED ON GPRS Key Laboratory of Earthquake Geodesy，Institute of Seismology，CEA，Wuhan 430071 Received: 2013-07-10  Revised: null  Online: 2013-10-24 Supporting info