About: http://webisa.webdatacommons.org/24095480

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	By using a tone on the input side, a range of frequencies are swept through the device and the results are then measured for factors such as magnitude and phase.
http://www.w3.org/ns/prov#wasQuotedFrom	afcea.org