Land Seismic

I/O System II

 
io_sys2
 
Recording Capacity Sample Interval
  4 ms 2 ms 1ms 0.5 ms
Total Channels 8064 4032 2016 1008
Channels Per Line 2016 1008 504 252
Multi-Line Capacity 1 - 512 Active Line Taps
Roll Capacity Equal to Channel Capacity
Telemetry  
Cable Construction Twisted-pair Wire Conductors
Fault Tolerance Automatic Telemetry Rerouting
Fault Detection Positive Line and Channel Identification
Maximum Station Interval 360 feet (110 meters) without repeaters
   
Maximum distance between lines 2200 feet (671 meters) without repeaters
   
Auxiliary Channels 12 Total, Including 4 Filtered
  Full Performance Aux Channel Test Oscillator
  Automatic Pilot Quality Check
   
Look Ahead Test On-Line, Full Specification Performance Test
  of Entire Channel Capacity
   
Calibration Automatic Gain Calibration
  Automatic DC Offset Removal
   
Test Capability System Dynamic Range
  Equivalent Input Noise
  Group Impedance
  Crossfeed
  Distortion
  Attenuator Step Accuracy
  Pulse Test
  HPE Performance Test
  Signal Dependant Noise Evaluation
  Geophone Performance Test
  Cable Fault Detection
   
Test Oscillator 79 Different Sine Wave Frequencies: 7.8-960 Hz
  Wide Spectrum Summed Sine Wave Pattern
  13 Pulse Patterns of 5 Widths and 2 types
  173 DC Levels
   
Electronic Logs Observer's Log and Script Import Capability
  Look Ahead Test Results