About: http://webisa.webdatacommons.org/235111138

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	Other than a pulse, modulated waveforms or other signals can be appliedto the earth ground.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com