> year I believe the models to be accurate. Incidentally, W8JI confirms that > he runs his 160 meter system with -120/-240 degree phasing. Yes, and one thing you didn't mention Merv is that the F/B is vastly improved at higher angles where you would expect noise to come from that is strong. F/B at 3 degrees isn't as important as F/B at 25 degrees or higher. 73 Bill Fisher, W4AN