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A photoelectric technique for measuring lightning-channel propagation velocities from a mobile laboratory (1989)

Rust, W. David ; Mach, Douglas M.

In: Other Sources

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Publication Date: 2019-07-12

Description: The present device for lightning channel propagation-velocity determination employs eight photodetectors mounted behind precision horizontal slits in the focal plane of a photographic camera lens. The eight photodetector pulses, IRIG-B time, and slow and fast electric field-change waveforms are recorded on a 14-track analog tape recorder. A comparison of the present results with those obtained by a streaking camera shows no significant differences between the velocities obtained from the same strokes with the two systems; neither is there any difference in pulse characteristics or in the velocities calculated from them.

Keywords: INSTRUMENTATION AND PHOTOGRAPHY

Type: Journal of Atmospheric and Oceanic Technology (ISSN 0739-0572); 6; 439-445

Format: text

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