GEOPHYSICAL SURVEY SYSTEMS, INC.

computer software for signal processing, and electronic equipment, particularly ground-penetrating (aka subsurface interface) radar systems and accessories therefor; namely, radar transmitters, radar receivers, radar transceivers, transducers, transducer electronics, breakout boxes, antenna (i.e., transducer) boxes, printed circuit cards, cables, rack mounts, paper recorders, tape recorders, cases, computers, radar control units, display units, video monitors, video converters, video recorders, and range time calibrators