About: http://webisa.webdatacommons.org/196449749

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 non-limiting range of suitable frequencies would include for example frequencies in the range of about 25 kHz to about 1 mHz, such as from about 100 kHz to about 500 kHz.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com