Title :
Isotropic directional transponder beacon. Replying in a direction determined by the incoming signal
Author_Institution :
Admiralty, Underwater Weapons Establishment, Portland, UK
fDate :
5/1/1967 12:00:00 AM
Abstract :
A 3-dimensional multielement transponder array is proposed which will give directional replies towards the sources of interrogating signals. The potentialities and limitations of the principle are briefly analysed, and a number of variants and extensions of the basic scheme are considered.
Keywords :
radio transmitters; radionavigation;
Journal_Title :
Electrical Engineers, Proceedings of the Institution of
DOI :
10.1049/piee.1967.0118