[VEMSA3D]: http://antennas.gr/floss/VEMSA3D/vemsa3dsimulator_files/vemsa3d_600.jpg A FLOSS Visual EM Simulator for 3D Antennas: http://arxiv.org/abs/1006.0031 Code: http://code.google.com/p/rga/downloads/list Petros SV7BAX