About: http://webisa.webdatacommons.org/210344680

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	A moving observer, e.g. an aircraft, able to measure bearings to an emitter, generates the range, speed and heading of the emitter based on the measured bearings.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com