About: http://webisa.webdatacommons.org/240882292

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 good one is Radio Shack Pro-95, they should be mostly on clearance now so they are cheap(er) but can monitor most systems as long as they are not digital or encrypted.
http://www.w3.org/ns/prov#wasQuotedFrom	firehouse.com