ENSCO

Switching Loop Demodulators, Tone Decoders, Signal Correlators, Threshold Level Digitizers, Concealed Person Detectors in the Nature of a Portable Self-Contained Sensor Apparatus to Detect the Presence of One or More Persons Concealed in Vehicles, Rail Flaw Detectors and Electromagnetic Reflection Profiling System-Namely, Portable Radar Controllers, Tape Units and Microprocessor for Use in Geological Mapping