About: http://webisa.webdatacommons.org/152944251

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	It should be noted that any modulation technique can be used including pulse code modulation (PCM), amplitude modulation (AM), or frequency modulation (FM).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com