About: http://webisa.webdatacommons.org/154878927

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	This first power signal is at a comparatively low frequency, for example 200 Hz.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com