About: http://webisa.webdatacommons.org/55128901

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	These low frequencies require a linear antenna of impractical lengths (more than 500 M); thus alternate antennae configurations are required, such as loops.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com