About: http://webisa.webdatacommons.org/390180569

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	As with any radio signal, transmission can be blocked or diverted by solid objects, such as buildings, and the signal does not travel very far.
http://www.w3.org/ns/prov#wasQuotedFrom	cscc.edu