About: http://webisa.webdatacommons.org/297300753

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 distance can be estimated most accurately when there is a line-of-sight (LOS) between the transmitter and receiver.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk