Title :
Analysis of a broadband choke horn and a dipole-disk with ring as feeds for the Arecibo tri-reflector system
Author :
Kildal, P. ; Lauria, E.
Author_Institution :
Dept. of Microwave Technol., Chalmers Univ. of Technol., Goteborg, Sweden
Abstract :
This study shows that a newly published compact broadband choke horn is an almost ideal feed for the Arecibo tri-reflector system over a relative bandwidth of 1.8. At frequencies below 500 MHz a lighter dipole-disk feed with beam forming ring may instead be used.
Keywords :
antenna radiation patterns; dipole antennas; horn antennas; radiotelescopes; receiving antennas; reflector antenna feeds; 500 MHz; 9 to 17 GHz; Arecibo tri-reflector system; beam forming ring; broadband choke horn; dipole-disk feed; ring; Bandwidth; Construction; Feeds; Frequency; Geometrical optics; Inductors; Microwave technology; Radio astronomy; Ray tracing; Structural beams;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1996. AP-S. Digest
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
0-7803-3216-4
DOI :
10.1109/APS.1996.549742
