Performance Comparison of Symmetric and Offset Reflector Antennas Adaptively Illuminated by Novel Triple Mode Feedhorn

Table 4

Copolarization gain and peak cross-polarization level (below peak gain) values within bandwidth for the selected mode combination.

TE11 (40%) + TM01 (30%) + TE21 (30%) for +90^∘	Peak Co-Pol Gain [dBi]	Peak Cross-Pol Level [dB]
At 7.45 GHz	37.07	−22.6
At 7.73 GHz	37.28	−20.85
At 7.9 GHz	37.62	−20.84