About: http://webisa.webdatacommons.org/280277236

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	echoes vertically and the result was a straight line tangential to the range curve of the second-bounce vertical incidence reflection from the ionosphere.
http://www.w3.org/ns/prov#wasQuotedFrom	ieeeghn.org