Abstract
Abstract : On 13 December 1977, PRECEDE II was launched form the White Sands Missile Range, New Mexico at 05:49:59.116 UT. PRECEDE II is one of a series of artificial auroral experiments in the DNA-AFGL EXCEDE program using pulsed high-power rocketborne electron accelerators operating in the 80- to 140-km altitude range. This launch was designed to serve as an engineering test of an electron accelerator module providing a pulsed 3-kV, 7-A electron beam, to provide an engineering test for a newly designed liquid nitrogen cooled rocketborne infrared Michelson interferometer, and to observe the ultraviolet and visible emissions induced in the night sky by the rocketborne electron source with a number of ground based imaging, spectrographic and photometric instruments. This report briefly describes the scope of the PRECEDE II experiment and summarizes the performance of the various instruments. (Author)
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