About: http://webisa.webdatacommons.org/138864556

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	Usually, the code label signal consists of two digital words, each word including an initial portion comprising a simultaneous burst of both frequencies.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com