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Priority to BE658757ApriorityCriticalpatent/BE658757A/fr
Publication of BE658757ApublicationCriticalpatent/BE658757A/fr
H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
H01Q11/10—Logperiodic antennas
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Variable-Direction Aerials And Aerial Arrays
(AREA)