Wavefrontier T90
Choose your central satellite. This should be the satellite closest to your true South (in the Northern Hemisphere) or True North (Southern Hemisphere). Example for London (0.1°W): Center satellite could be (Intelsat 10-02 / Thor) or 5°W . Example for New York (74°W): Center satellite could be 72°W (AMC 6).
A standard parabolic dish has one focal . The T90 has a focal arc . wavefrontier t90