About: http://webisa.webdatacommons.org/170081238

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 STB device can also generate control signals ctrl (FIG. 9a) for directing the receiving antenna and adjusting polarization e.g. in a satellite antenna.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca