About: http://webisa.webdatacommons.org/132284508

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	Though both have a clean 300 mv signal on output, untouched by AF gain, cw sidetone, feeper, or voice response unit, input is a bit different.
http://www.w3.org/ns/prov#wasQuotedFrom	notpurfect.com