About: http://webisa.webdatacommons.org/276069984

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	When I made this proof of concept, the only equipment I had to check signals was a speaker and a guitar tuner??? (We literally ran it super-slow and measured the frequency with the guitar tuner)
http://www.w3.org/ns/prov#wasQuotedFrom	hackaday.com