GSSI SIR System 2, 2000 and a 3000 ground penetrating radar systems from Hager GeoScience Inc.
(HGI) incorporate a 1.5 GHz antenna with survey wheel and Structure Scan. The ground penetrating radar antennas range from 200 MHz, 400 MHz and 900 MHz with a 100 MHz bistatic antenna.
Other features include a multiple low frequency (80-15 MHz) antenna and a 16-inch Survey Wheel. Proprietary software includes RADAN for Windows NT with Interactive Structural and Stratigraphic and 3D modules. 781.935.8111, www.hagergeoscience.com