About: http://webisa.webdatacommons.org/91957003

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	With a primary objective of supporting e-mail and other communications, the Kuryer system was to operate at first at 430-470 MHz with helical antennas and later at L-band with phased array antennas.
http://www.w3.org/ns/prov#wasQuotedFrom	astronautix.com