1
Introduction
2 Technical
considerations for multiple-feed receiving earth station antennas
2.1 Antenna
beam performance
2.2 Inherent
mis-pointing
3 Antenna beam
plots for multiple-feed 12 GHz BSS receiving earth station antennas
3.1
Dual-feed receiving antenna
3.2 Triple-feed
receiving antenna
3.3
Five-feed receiving antenna
4 Conclusions