About: http://webisa.webdatacommons.org/362530089

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	Hobbyists built transmitting and receiving equipment long before radio stations, such as KALW, went on the air.
http://www.w3.org/ns/prov#wasQuotedFrom	kalw.org