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ATC
Compact Environmental Anomaly Sensor Experiment (CEASE) Instrument Launched On TacSat-4
October 4, 2011
The Tactical Satellite-4 (TacSat-4), launched September, 27th 2011,
includes the CEASE Compact Environmental Anomaly Sensor Experiment (CEASE) Instrument developed
by Assurance Technology Corporation and Amptek, Incorporated. This lightweight, low power
(1kg- 1.5 Watt) Space Instrument measures the satellite space radiation environment, also known
as space weather. Its objectives are to provide awareness of the ambient space radiation, and
to provide warning of space-environmental conditions likely to cause anomalous satellite operations.
As an example, CEASE will enable TacSat-4 to sample the high energy electron population fluxes
in its High Elliptical Orbit (HEO) environment during electron events.
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