About: http://webisa.webdatacommons.org/243177554

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 the receiving mode, central computer 1 causes transmission of a message over the broadcast station to aremote TELRAD modem 23 giving its address and instructions including a command to seize the telephone line.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com