About: http://webisa.webdatacommons.org/137527771

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	Such systems are useful for local entities, such as local law enforcement, which require few frequencies and a large but limited coverage area.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com