About: http://webisa.webdatacommons.org/437065667

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 signal is generated by the exciter (part of the receiver) based on a reference frequency provided by FTS, and other inputs to be discussed later.
http://www.w3.org/ns/prov#wasQuotedFrom	nasa.gov