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The GSSI SIR-20 is a powerful, multi-channel GPR data acquisition unit coupled with a rugged laptop for ease of use and portability. This machine has revolutionized the GPR industry by combining a robust data collection unit and Panasonic ToughBook PC with GSSI’s leading RADAN GPR software. Collecting 3D images is made simple with this Windows-based system.SIR-20 provides reliable GPR data and can be used in flexible situations. Whether mounted in a vehicle, on a cart system or utilized directly on a job site, the highest quality data results will be obtained. SIR-20 can be utilized with all GSSI antennas and in a variety of applications.Typical Uses of the SIR-20 include:

  • Road structure assessment
  • Concrete inspection
  • Geological investigation
  • Archeology
  • Rail bed inspection
  • Mining
  • Bridge deck inspection
  • And many other custom applications


  • Dual channel system – allows data collection using any two GSSI antennas
  • Operates on either 120 Volts AC or 12 Volts DC
  • Rugged Panasonic ToughBook computer provides familiar Windows environment
  • Integrates with GPS
  • Large data storage capacity
  • Perfect solution for vehicle mounted applications
  • 2-year warranty
  • FCC compliant for US customers
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