About: http://webisa.webdatacommons.org/411656598

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 Department of Defense launched 24 satellites into orbit, and using signals from these satellites, a GPS receiver can calculate such information as altitude, longitude, and latitude.
http://www.w3.org/ns/prov#wasQuotedFrom	afb.org