From TSDIS/PPS Help Desk: PPS is now producing operational PR data from June 19, 2009 through
present using new calibration coefficients from JAXA. The new calibration
is valid for times after the switch to PR-B operation to recover from the
PR anomaly in May, 2009.
more info...
TRMM PR Instrument Anomaly Update
After an instrument anomaly on May 29, 2009 the TRMM PR resumed
observations on June 17th, 2009. All TRMM PR production data
is currently being held until a calibration effort is completed by
JAXA. Our intention was to be able to release the calibrated,
post-anomaly PR data by the end of Sept. 2009 but that has not
been possible.
more info...
TRMM PR instrument anomaly
As most of you are probably aware, TRMM experienced a PR instrument
anomaly on May 29, 2009 which affected all TRMM PR data resulting in
missing data since orbit# 65716.
more info...
The Tropical Rainfall Measuring Mission (TRMM) is a joint endeavor between NASA and Japan's National Space Development Agency. It is designed to monitor and study tropical rainfall and the associated release of energy that helps to power the global atmospheric circulation, shaping both global weather and climate.