Disclaimer: This tool was developed by Tom Carlson Consulting LLC. It was created from the official distribution of the data model. Tom Carlson Consulting LLC makes neither claim nor warranty that this tool provides an accurate representation of the NIEM data model. For official and authoritative representations, please visit the official NIEM release website. Non-English text 
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A horizontal bearing angle with respect to True North from a reference point (Origin) to an object (i.e., instrument, detector, or item) or a nuclide. Its value is the angle subtended by the projection onto the horizontal plane of a straight line from the reference point to the center of the object or nuclide, and a line extending in the forward direction from the reference point. The angle range is from "-180.0" to "+180.0" degrees. A value of zero implies the center of the object or nuclide's body is aligned directly in front of the reference point; positive values imply the object or nuclide is to the right of the reference point; negative values imply the object or nuclide is to the left of the reference point.
View UML for type: cbrn:Angle180Type