About: http://webisa.webdatacommons.org/449331326

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	???A key challenge for maritime satellite TV has always been the differing signal and polarisation types used around the world.
http://www.w3.org/ns/prov#wasQuotedFrom	marinelink.com