About: http://webisa.webdatacommons.org/34384551

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	This occurs because the magnitude of the received signal may change with distance and with changes in the positions of the transmitters and receivers relative to interfering objects such as buildings.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com