Acquisition Information: The CALIPSO satellite payload was commanded to OFF on January 23, 2012 due to an increase in 10 and 100 MeV proton flux associated with an M class solar flare.
No science data was collected from January 23, 2012 at 10:57:16 UTC until February 3, 2012 at 13:54:39 UTC.
On February 1, 2012 at 17:40:46 UTC, the payload transitioned to SAFE mode due to the IIR FDIR.
On February 3, 2012 at 13:54:39 UTC, the payload returned to Data Acquisition mode.