K5KVH> With all due respect to Sinisa, I would trust the L. B. Cebik modeling; Considering antennas, I'd prefer YT1NT BSc EE knowledge over hyperactive wordsmith W4RNL PhD Philosophy. There was an excellent body of antennas knowledge in YU culminating in late Branko Popovic, Hertz and Marconi award winner. 73 de Mario, S56A, N1YU