Quad antenna (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Quad antenna" in English language version.

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archive.org

ia903006.us.archive.org

eryptick.net

espacenet.com

worldwide.espacenet.com

  • US patent 1747008, Moses Jacobson, "Antenna", issued 1942 
  • US patent 2207781, George Brown and others, "Ultra high frequency antenna", issued 1938 
  • US patent 2537191, Clarence C. Moore, issued 1951 
  • GB patent 850974, James Sherriff McCaig, "Improvements relating to composite aerials", issued 1957 
  • CH patent 384644, Rudolf Baumgartner, "Vollgespeiste Richtantenne für Kurz- und Ultrakurzwellen", issued 1960 

loc.gov

lccn.loc.gov

mgs4u.com

n3ujj.com

rfcafe.com

  • Blattenberger, Kirt (2021-08-05). "The Swiss quad antenna at ZS6PP, QST September 1967". RF Cafe.

sp5ppk.waw.pl

web.archive.org