Sigma Operational Features


Sigma Observer™ software periodically updates (can also be requested individually, or a group update) field boxes status information, which includes:

  • Recording and memory status
  • Recording settings and firmware level
  • Sensor, Self-Test results and Battery level
  • Deployed geometry and physical location


Sigma Observer™ software generates variety of reports in standard CSV or print format:

  • Troubleshooting Report, used for replacing batteries and string repair
  • Sensor Test Report, includes string resistance, frequency, damping, sensitivity and leakage
  • Instrument Test Report, includes results of self-test and pulse test
  • Equipment Setup Report, includes each box settings, firmware and location
  • Acquired Shot Report, includes all data from observer log

Spread and Shot QC:

Sigma Observer™ software confirms:

  • Each active receiver station before shot is taken
  • Every shot recorded as unique and log confirmed with read after write
  • Advanced shot/observer log editor, capable of logging passive seismic and any/all events
  • Advanced Receivers, Sources and Relation file editor, with geographical and schematic view capabilities

International Seismic Co

9425 E Tower Rd.
Ponca City, OK 74604
Phone: (580) 762-8233
Fax: (580) 762-1785
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