| Description: The unit_id attribute provides a character or character string which serves as an abbreviation for, or symbol representing, a unit of measure. |
| Namespace Id: pds | Steward: pds | Class Name: Units_of_Angle | 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 |
| | arcmin | arcmin is an abbreviation for arcminute, which is a unit of angle (60 arcmin = 1 degree). |
| | arcsec | arcsec is an abbreviation for arcsecond, which is a unit of angle (3600 arcsec = 1 degree). |
| | deg | deg is an abbreviation for degree, which is a unit of angle (1 deg = pi/180 radians, so that a full circle comprises 360 degrees). |
| | hr | hr is an abbreviation for hour, which is a unit of angle (1 hour of angle = 15 degrees, so that a full circle comprises 24 hours). |
| | microrad | microrad is an abbreviation for microradian, which is a unit of angle (10**6 microrad = one million microradians = 1 radian). |
| | mrad | mrad is an abbreviation for milliradian, which is a unit of angle (1000 mrad = one thousand milliradians = 1 radian). |
| | rad | rad is an abbreviation for radian, which is a unit of angle (a full circle comprises 2*pi radians). |