| Description: The unit_id attribute provides a character or character string that serves as an abbreviation for, or symbol representing, a unit of measure. |
| Namespace Id: pds | Steward: pds | Class Name: Units_of_Radiance | Type: UTF8_Short_String_Collapsed |
| Minimum Value: None | Maximum Value: None | Minimum Characters: 1 | Maximum Characters: 255 |
| Unit of Measure Type: None | Default Unit Id: None | Attribute Concept: ID | Conceptual Domain: Short_String |
| Status: Active | Nillable: false | Pattern: None |
| Permissible Value(s) | Value | Value Meaning |
| | W*m**-2*sr**-1 - *Deprecated* | The abbreviated unit of Units_of_Radiance is W*m**-2*sr**-1 |
| | W/(m**2*sr) | W/(m**2*sr) is an abbreviation for watts per square meter per steradian, which is a unit of radiance (power per unit area per unit solid angle). |