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An active surface for large reflector antennas

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6 Author(s)
Orfel, A. ; Istituto di Radioastronomia, Consiglio Nazionale delle Ricerche, Bologna, Italy ; Morsiani, M. ; Zacchiroli, G. ; Maccaferri, G.
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We present a solution adopted for the Noto antenna (Sicily) in order to overcome the degradation of antenna efficiency due to the gravitational deformation of the structure of large antennas. This new setup allows a substantial increase in the operating frequency, and eliminates the dependence of the antenna efficiency on elevation.

Published in:

Antennas and Propagation Magazine, IEEE  (Volume:46 ,  Issue: 4 )