Adcock antenna

U-Adcock DF antenna from Plath GmbH

The Adcock antenna is a group antenna that originally consists of four vertical antennas ("quadruple Adcock"), but can also have more than four elements (for example "eightfold Adcock") (see also: Wullenwever antenna ). It serves as a DF antenna for azimuthal radio direction finding of transmitters .

history

Japanese Adcock antenna near Rabaul for 2 MHz (1945). The four vertical antenna elements are here at a distance of almost 30 m .

The antenna design was invented in 1918, during the time of the First World War , by the British scientist Frank Adcock (1886–1968). At that time he served as a soldier with the rank of Lieutenant ( Lt. ) in the Army Observation Group wireless (radio observation group) in the 3rd Army of the British expeditionary force ( British Expeditionary Force ) BEF in France. Shortly after the war, in 1919, he received a patent for his invention.

literature

Alois Krischke : Rothammels Antennenbuch. 13th edition, DARC Verlag GmbH, Baunatal, 2013, ISBN 978-3-88692-065-5 , pp. 1175, 1176 and 1189.

Web links

Principle drawing from Adcock's patent specification (1919). Retrieved March 22, 2017.

Frank Adcock: British Patent GB 130490, 1919 (English). Retrieved March 22, 2017.

Sir Frank Adcock Award (English). Retrieved March 22, 2017.

Individual evidence

^ Alois Krischke: Rothammels Antennenbuch. 13th edition, DARC Verlag GmbH, Baunatal, 2013, p. 1176, ISBN 978-3-88692-065-5 .
^ Frank Adcock: British Patent GB 130490, 1919 (English). Retrieved March 22, 2017.

[1] Alois Krischke: Rothammels Antennenbuch. 13th edition, DARC Verlag GmbH, Baunatal, 2013, p. 1176, ISBN 978-3-88692-065-5 .

[2] Frank Adcock: British Patent GB 130490, 1919 (English). Retrieved March 22, 2017.