Field Definitions are Available Here
Granule
varstring(80)
Optional
The expanded name of the primary sensory instrument. (e.g. Advanced Spaceborne Thermal Emission and Reflective Radiometer, Clouds and the Earth's Radiant Energy System, Human Observation)
MODIS
PlatformShortName, OperationMode, SensorShortName
MODIS
Must be used with PlatformShortName.
GranuleMetaDataFile > GranuleURMetaData > Platform > Instrument.InstrumentShortName
/gmi:MI_Metadata/gmi:acquisitionInformation/gmi:MI_AcquisitionInformation/gmi:instrument/gmi:MI_Instrument/gmi:identifier/gmd:MD_Identifier/gmd:code/gco:CharacterString
None.
Platforms and Instrument Information