Field Definitions are Available Here
Collection
string (1024)
The expanded or long name of the platform associated with an instrument.
First EOS Polar Orbiting Satellite, 10:30 AM Descending Equator Crossing
/Platforms/Platform/LongName
/gmi:MI_Metadata/gmi:acquisitionInformation/gmi:MI_AcquisitionInformation/gmi:platform/gmi:MI_Platform/gmi:description/gco:CharacterString
Platforms and Instrument Information (ECHO)