Fig. 8
From: An ultrawideband monopulse feed with slant polarization for tracking radar systems

Comparison of SLLs of 2 × 2-element arrays of double-ridged, diagonal quad-ridged and diagonal horn antennas.
From: An ultrawideband monopulse feed with slant polarization for tracking radar systems

Comparison of SLLs of 2 × 2-element arrays of double-ridged, diagonal quad-ridged and diagonal horn antennas.