MULTIWAVE

computer-based electric and magnetic field data acquisition systems comprising industrial-grade central processing units, analog to digital converter boards, buffer cards, parallel input/output units, [sixty megabyte disks,] racks for holding and mounting the system hardware, [9600 baud modems,] interface units, video monitors, keyboards, autoranging AC current sensors, AC voltage sensors, multiplexors, autoranging DC/AC amplifiers, autoranging DC current sensors, triaxial flux gates, autoranging hardened AC magnetic field probes, cables, and computer programs for use with the above identified apparatus and equipment