I am trying to simulate a patch antenna that consists from 2 patches and should work on 4.3 GHz center frequency. For some reasons The Y (V) antenna pattern cut is not symmetric. The X (U) cut is symmetric and VSWR value looks ok.
Attached the antenna design data.
I kindly request your assistance to find out the reason for this symmetry issue.
Thanks in advance.
4.3 GHz Dual Patch Antenna.cfs
4.3 GHz Dual Patch Antenna.opt
4.3 GHz Dual Patch Antenna.pre
I would just add circular ellipses to the patches (!!! use snapping with ctrl + shift !!!) and then change face properties. The attached video shows how to do: