NASA NTRS · 19730000043
An automatic lightning detection and photographic system
Abstract
Conventional 35-mm camera is activated by an electronic signal every time lightning strikes in general vicinity. Electronic circuit detects lightning by means of antenna which picks up atmospheric radio disturbances. Camera is equipped with fish-eye lense, automatic shutter advance, and small 24-hour clock to indicate time when exposures are made.
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Wojtasinski, R. J., Holley, L. D., Gray, J. L., Hoover, R. B.. 1973-02-01. An automatic lightning detection and photographic system. https://ntrs.nasa.gov/citations/19730000043
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