Muzzle Flash Measurements on Large Guns
NAVAL WEAPONS LAB DAHLGREN VA
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A photodiode, modified to give a human eye response, was calibrated against a standard of spectral irradiance. The calibration procedure is explained in detail. This photodiode can then be used to measure, in absolute units, the muzzle flash intensities of large guns. The results of previous tests, regardless of ambient lighting conditions, can be compared. A computer program, graphs and schematics are included.