About: http://webisa.webdatacommons.org/51745948

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	The approximate vehicle position is estimated from the following relationship: ##EQU1## where 2???x???4 depending on terrain and other considerations, where r is the circle radius, SS is the signal strength, and K is a constant.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com