| Represents a measure of angular distance. This measurement is used to measure the location of a geographic object on the Earth's surface. It subsumes latitude and longitude measurements. Anything that is a measurement of angular distance is an AngularDistanceMeasurement. |
| (hasMeasurementUnit HAS AngularSecond) OR (hasMeasurementUnit HAS AngularMinute) OR (hasMeasurementUnit HAS Degree) OR (hasMeasurementUnit HAS DecimalDegree) |
| isMeasurementOf SOME AngularDistanceQuantity |