Field Definitions are Available Here
Collection
string (80)
The name of the Sensor Characteristic attribute.
Radiometer
/Platforms/Platform/Instruments/Instrument/Sensors/Sensor/Characteristics/Characteristic/Name
/gmi:MI_Metadata/gmi:acquisitionInformation/gmi:MI_AcquisitionInformation/eos:sensor/eos:EOS_Sensor/eos:additionalAttributeValue/gco:Record/nc:group/nc:variable/@name
Platforms and Instrument Information (ECHO)