About: http://webisa.webdatacommons.org/274527766

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	Preferably, the signal is transmitted by radio waves, microwaves, optically or by magnetic energy and receiver respectively is a radio, microwave, photon or magnetic energy receiver.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com