About: http://webisa.webdatacommons.org/393772930

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	A signal (voltage or current) generator 536 excites transmitter coil 532 with a signal that varies with time, such as sine wave, square wave, sawtooth wave or other time variable wave.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca