Beamwidth variation with aperture diameter of the choked waveguide feed antenna
- 22 June 1978
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 14 (13) , 406-407
- https://doi.org/10.1049/el:19780274
Abstract
The choked waveguide feed antenna, which exhibits E- and H-plane radiation pattern equality, good pattern symmetry and low cross polarisation, is an excellent feed for symmetrical reflector antennas with f/D ratios in the range of about 0.3 to 0.4. An experimental programme has been carried out to determine the variation of beamwidth with feed aperture diameter, and the results are presented here.Keywords
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