...
The final NASA ISO extensions will be available in an XML schema that is linked to the standard ISO schemas. This schema will be available in a repository at Earth Data.
A draft version of this schema is available available here: NASASchema.tar.
The following contains detailed documentation on the schema, including technical notes, attribute descriptions and UML diagrams.
...
The following is a comprehensive crosswalk for the ECHO attributes, as translated to the NASA Schema for ISO.
Click here Click ECHO Crosswalks.xlsx to download the entire Excel Workbook.
...