About: http://webisa.webdatacommons.org/403153148

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	Back then, as well as today, most developed countries of the world have an external shortwave radio service directed to other parts of the world including North America.
http://www.w3.org/ns/prov#wasQuotedFrom	papergreat.com