Digital seismic signal recorder PCM3-EPC equipped with embedded PC and data telemetry via GSM modem was designed by the Institute of Geonics of AS CR for application at three-component surface seismic stations established in the Ostrava-Karvina coalfield to study an influence of mining induced seismic events on surface structures. A block diagram of PCM3-EPC as well as its main parameters are described.
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