unknown_constant in Special_​Constants

Name: unknown_constantVersion Id: 1.0.0.0
Description: The unknown_constant attribute provides a value that indicates the original value was unknown.
Namespace Id: pdsSteward: pdsClass Name: Special_​ConstantsType: ASCII_​Short_​String_​Collapsed
Minimum Value: NoneMaximum Value: NoneMinimum Characters: 1Maximum Characters: 255
Unit of Measure Type: NoneDefault Unit Id: NoneAttribute Concept: ConstantConceptual Domain: Short_String
Status: ActiveNillable: falsePattern: None
Permissible Value(s)No Values