About: http://webisa.webdatacommons.org/135313073

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	The ?? and ?? parameters are dependent on factors such as frequency, environment, and the heights of the transmitting and receiving antennas.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com