Geophysical Survey Systems (GSSI) has announced the release of updates to the SIR 4000 ground penetrating radar (GPR) control unit.GSSI is a developer, manufacturer, and seller of ground penetrating radar (GPR) equipment, primarily for the concrete inspection, utility mapping and locating, road and bridge deck evaluation, geophysics, and archaeology markets.The new SIR 4000 is designed to bridge GSSI’s traditional analog antennas with the next generation of digital offerings, giving it the flexibility by supporting a wide range of users in numerous applications. The updates bring the StructureScan 2D collection module to the controller, simplifying its use for the concrete construction industry.The
GSSI Launches Updates to Ground Penetrating Radar Control Unit
The new SIR 4000 is designed to bridge GSSI’s traditional analog antennas with the next generation of digital offerings.












