About: http://webisa.webdatacommons.org/171647795

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	The two stations' ALE controllers automatically handshake to confirm that a link is established and they are ready to communicate in any mode, such as SSB voice, text or image.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com