About: http://webisa.webdatacommons.org/378391789

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	In operation, the control channel signal is sometimes interrupted or changes when disturbances such as noise occur during the transmission or when the mobile station is far away from the land station.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr