About: http://webisa.webdatacommons.org/218002033

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	Exemplary GPS reference information may be, but is not limited to, ephemeris information, ionosphere model information, UTC model information, and other information commonly provided by a reference network.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com