|Instrument: SSB/O : Remote X-Ray Sensor - Precipitating Electrons (SSB/O)|
Solar/Space Observing Instruments
Instrument Class: Particle Detectors
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[Source: National Space Science Data Center, http://nssdc.gsfc.nasa.gov/nmc/experimentDisplay.do?id=1977-044A-06 ]
The instrument consisted of a large-area proportional counter and four circular cadmium telluride (CDTE) semiconductors embedded in a hemispherical plastic scintillator that was viewed by a photomultiplier tube. The sealed proportional counter had a collimator and was sensitive to X rays from 1.5 to 20.2 keV. The CDTE detectors had discriminators that provided threshold values of 15, 30, 60, and 90 keV. The investigation was primarily concerned with X rays produced in the atmosphere by precipitating electrons.
Instrument Owner: Department of Defense-Department of the Air Force (United States)