Patent ID: 7403166

Claim:
An antenna assembly comprising: a first horn antenna adapted to receive a signal from a source; a second horn antenna, substantially identical to the first antenna, and adapted to receive the signal; a first dielectric lens coupled to the first horn antenna to focus the signal to a feed point of the first horn antenna, the first dielectric lens having at least one groove formed in a surface thereof; a second dielectric lens coupled to the second horn antenna to focus the signal to a feed point of the second horn antenna, the second dielectric lens having at least one groove formed in a surface thereof; a waveguide feed network coupled to the feed points of the first and second horn antennas and including a first feed port and a second feed port, the waveguide feed network being constructed to receive the signal from the horn antennas and to provide a first component signal having a first polarization at the first feed port and a second component signal having a second polarization at the second feed port; and a polarization converter unit coupled to the first feed port and the second feed port that is configured to compensate for any polarization skew between the antennas and the source.