About: http://webisa.webdatacommons.org/89714035

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	and a high pass filter on it, and a frequency analysis and there is no harmonic - except one point where there is an harmonic of the hum.
http://www.w3.org/ns/prov#wasQuotedFrom	abovetopsecret.com