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Hardware

   
 
 jkg


 

There are currently 4 seismic data acquisition units in the ISS stable.

The Quake Seismometer (QS) offers high-precision sampling, intelligent triggering and fault-tolerant communications for mine-wide real-time seismic monitoring (see Typical Applications for examples).

The StandAlone Quake Seismometer (SAQS) offers the same benefits but can be left in an independent mode with seismic data stored locally and time-stamped with GPS time (see Typical Applications for examples).

The mini SAQS is a cost-effective unit capable of running off internal disposable batteries for over 3 weeks, storing seismic signals to memory for later retrieval via an ASCII download off an internal web-page.

The Counting Seismometer is under development, and will be released in early 2003. The design is based on small self-contained units that communicate via a wireless ad hoc network to provide infrastructure-less extensions to existing real-time seismic networks. Each unit will pre-process seismic signals to provide statistical data about local micro-fracture populations and hence enable personal seismic safety monitors.

The Recording Seismometer (RS) is the world's smallest seismic data acquisition unit. Hand sized, this unit has internal rechargable batteries that allow it to stay concealed in the field for over 3 weeks, recording the largest signals to memory for later download.


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