About: http://webisa.webdatacommons.org/80835243

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	So we don???t need to worry about obstructions other than the ground. (It gets into the Fresnel zone.)
http://www.w3.org/ns/prov#wasQuotedFrom	wildsong.biz