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S-Pol center fed antenna. Dual Offset-Feed Gregorian Antenna System. Operational March 2008. -38 cross-pol; -40 db in practice. First sidelobe is 31 db down. Gain. First side lobe is 25 db down. 31 db down for new antenna. Cross-pole about -35 db.
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S-Pol center fed antenna
Dual Offset-Feed Gregorian Antenna System Operational March 2008
-38 cross-pol; -40 db in practice. First sidelobe is 31 db down. Gain
First side lobe is 25 db down. 31 db down for new antenna. Cross-pole about -35 db. Pattern for the “old” CHILL center fed parabolic antenna From Bringi and Chandrasekar (2001) The 1994 CHILL center fed parabolic antenna From Bringi and Chandrasekar (2001)