Platform ID
 
Definition
Unique identifier of the Platform Supplemental.
 
Syntax
SEntry_ID:
 
Specifications
  • Required field.
  • May be used only once.
  • 1 to 31 alphanumeric characters from the printable ASCII character set, except ">"
  • Should be written in all capital letters.
  • Must be selected from the Platform valids (see Appendix A) if updating the document.
 
Recommendations
  • The platform identifiers (short names) are semicontrolled; i.e. new platform identifiers may only be added if the platform does not already appear in the Platform Valids List.
  • The identifier is usually a mnemonic or abbreviated version of the long name. When submitting a new identifier, always check the Platform Valids List to ensure mutual exclusivity among platform short names. No two platforms may have the same short name.
 
Example
  • SEntry_ID: EO-1

 

 

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This document should be cited as:
Ancillary Description Writer's Guide, 2007.
Global Change Master Directory. National Aeronautics and Space Administration. [http://gcmd.nasa.gov/User/suppguide/].