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Broadband electromagnetic sensors for aircraft lightning researchA set of electromagnetic sensors, or electrically-small antennas, is described. The sensors are designed for installation on an F-106 research aircraft for the measurement of electric and magnetic fields and currents during a lightning strike. The electric and magnetic field sensors mount on the aircraft skin. The current sensor mounts between the nose boom and the fuselage. The sensors are all on the order of 10 cm in size and should produce up to about 100 V for the estimated lightning fields. The basic designs are the same as those developed for nuclear electromagnetic pulse studies. The most important electrical parameters of the sensors are the sensitivity, or equivalent area, and the bandwidth (or rise time). Calibration of sensors with simple geometries is reliably accomplished by a geometric analysis; all the sensors discussed possess geometries for which the sensitivities have been calculated. For the calibration of sensors with more complex geometries and for general testing of all sensors, two transmission lines were constructed to transmit known pulsed fields and currents over the sensors.
Document ID
19800013448
Document Type
Conference Paper
Authors
Trost, T. F. (Texas Technological Univ. Hampton, VA, United States)
Zaepfel, K. P. (NASA Langley Research Center)
Date Acquired
August 10, 2013
Publication Date
April 1, 1980
Publication Information
Publication: Lightning Technol.
Subject Category
METEOROLOGY AND CLIMATOLOGY
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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