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Scale model development of a high efficiency dual polarized line feed for the Arecibo spherical reflector

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1 Author(s)
Love, A.W. ; North American Rockwell Corporation, Downey, CA, USA

The experimental development of a 1:6.535 scale model line feed for the Arecibo spherical reflector is described. The 14.7-ft long model at 2810 MHz simulates a 96.6-ft feed at 430 MHz capable of illuminating the full 1000-ft aperture of the reflector. The feed design requirements are discussed and an experimental program is outlined in which the necessary line source parameters were established using a number of leaky cylindrical test sections. Experimental measurements of both the near and far fields of the model feed are described and typical results are quoted and discussed. Finally, some results obtained after installation of a full size feed in the reflector are given and compared with predictions based on the model data.

Published in:

Antennas and Propagation, IEEE Transactions on  (Volume:21 ,  Issue: 5 )

Date of Publication:

Sep 1973

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