March 2012

CIMSS Software for Interrogating Stray Light Correction Data Introduced and Tested

On 09 February 2012, CIMSS released the latest version of UNIX and Man-computer Interactive Data Access System (McIDAS) software used to interrogate Stray Light Correction (SLC) information within Geostationary Operational Environmental Satellite (GOES) Imager and Sounder files.

This software will provide users at NOAA/NESDIS the ability to decide how to proceed with GOES Level-2 product generation when anomalous solar radiation contaminates certain wavelengths of terrestrial and atmospheric radiation during the twice-yearly (centered on the vernal and autumnal equinoxes) GOES eclipse seasons.

On 15-16 February 2012, a GOES Imager SLC test was performed by the Office of Satellite and Product Operations. This test sent corrected data via the GOES-13 GOES Variable (GVAR) datastream. Scientists at NOAA/NESDIS and CIMSS monitored the images during the test.

The correction performed was within the expected range and bits describing which lines were affected were filed into the line prefix. Once the correction is operationally implemented by NOAA/NESDIS, more imagery will be available via GVAR.


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