About: http://webisa.webdatacommons.org/430005588

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	Or possibly the analog attenuator used a digital control that only used 6 bits i.e. 64 steps?
http://www.w3.org/ns/prov#wasQuotedFrom	msdn.com