About: http://webisa.webdatacommons.org/201493396

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	systems in which the electrical signals used by the receivers 7 are transmitted thereto from the station 3 over a path that is not electromagnetic, e.g. by wire.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com