About: http://webisa.webdatacommons.org/283041486

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	Accordingly, there is a need for a simple receiver for passively monitoring a trunked radio communications system so that communications can be coherently monitored even when the frequencies of transmission change.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr