The Quartz-Crystal Microbalance Experiment provided data on the possible return of contaminants to the exterior surfaces of the spacecraft. The experiment measures the change in resonant frequency of the crystal due to deposition of material on the surface. There has been no mass accretion corresponding to the firing of hydrazine thrusters to unload the spacecraft momentum wheels. There have been accretions corresponding to the firing of the cesium ion engines.
ATS-6 - Quartz-Crystal Microbalance
1975-11-01
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Englisch
ATS-6 Quartz-Crystal Microbalance
IEEE | 1975
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