About: http://webisa.webdatacommons.org/16865125

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	In some programs there is a requirement to draw a circle around the sub- satellite point to indicate the field of view of the satellite.
http://www.w3.org/ns/prov#wasQuotedFrom	amsat.org