FIG. 3 is a graph of simulated reactive matching performance of a sub-portion of the antenna array of FIG. 1 (corresponding to FIG. 4) over a frequency range of 2.1-2.7 GHz;

FIG. 4 is a block diagram of a sub-portion of the array 100 corresponding to the simulation data presented in FIG. 3;

FIG. 5A is a diagram illustrating mutual coupling to a corner antenna element in a 6×1 linear array;

FIG. 5B is a diagram illustrating comparative mutual coupling to a central element in the 6×1 linear array;

FIG. 6 is a graph of simulated reactive matching performance of the sub-portion of the antenna array of FIG. 4, modified according to certain aspects of the present invention, over a frequency range of 2.1-2.7 GHz;

FIG. 7A is a Smith chart showing simulated impedance matching data for an example of the sub-array of FIG. 4;

FIG. 7B is a Smith chart showing simulated impedance matching data for another example of the sub-array of FIG. 4, according to aspects of the present invention;

FIG. 8A is a top view of one example of a substrate for antenna elements in a phase array antenna system according to aspects of the present invention; and