About: http://webisa.webdatacommons.org/211683297

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 parabolic dish already studied is a reflector not an antenna but we saw that it is most practical for microwaves Horn Antennas : Horn Antennas Not practical at low frequencies because of size
http://www.w3.org/ns/prov#wasQuotedFrom	authorstream.com