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OPERATION HARDTACK. Project 6.6. X-Band Radar Determination of Nuclear-Cloud Parameters
ARMY SIGNAL RESEARCH AND DEVELOPMENT LAB FORT MONMOUTH NJ
The general objectives of this project were to make observations with weather Radar Set ANCPS-9 in order to determine what characteristics and parameters of a nuclear detonation could be detected with X band radar. The specific objectives were to obtain data that would lead to the determination of the following information relative to the nuclear cloud rate of rise, rate of horizontal growth, maximum height, maximum diameter, stabilized height, fallout pattern due to the initial cloud formation, and range and azimuth versus time. As a result of this project, it was determined that the ANCPS-9 radar is well suited for observations of surface or near-surface bursts, as would be expected from a comparison of its performance characteristics with those of other available radar sets. Keywords Nuclear Clouds Radar Detection Cloud Growth.
Extracted version of report dated 29 Apr 1960.
Approved for public release; distribution is unlimited.