Accession Number : AD0716534

Title :   Atmospheric Electric and Lightning Detector.

Descriptive Note : Final rept. Feb 69-Mar 70,

Corporate Author : GCA CORP BEDFORD MASS GCA TECHNOLOGY DIV

Personal Author(s) : Dulchinos,John

Report Date : NOV 1970

Pagination or Media Count : 77

Abstract : A system has been developed to monitor both the atmospheric potential gradient and also the occurrence of cloud to ground lightning discharges. The instrument consists of an outdoor sensor package and an indoor display unit. The potential gradient measurement is obtained using a conventional field mill which is contained in the sensor package. The lightning detector circuitry consists of a plate antenna and a narrow band ac amplifier which monitors the low frequency components of the electromagnetic signal generated by lightning discharges. A description of the equipment is presented along with an analysis of the various circuit elements. Operating procedures and results from early measurements are included. (Author)

Descriptors :   (*LIGHTNING, DETECTORS), MONITORS, ELECTRIC DISCHARGES, INTEGRATED CIRCUITS, DIAGRAMS, OPERATION, CALIBRATION, PERFORMANCE(ENGINEERING), LOGARITHMIC AMPLIFIERS, FULL WAVE RECTIFIERS, PORTABLE EQUIPMENT

Subject Categories : Atmospheric Physics
      Test Facilities, Equipment and Methods

Distribution Statement : APPROVED FOR PUBLIC RELEASE