About: http://webisa.webdatacommons.org/89130575

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 pulse is a signal with a positive going leading edge, a negative going trailing edge, and a duration equal to the duration of a clock signal from crystal clock 302.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com