Thanks, Pigmeat.
Chris ~ The software sounds interesting but I think you will have better luck phasing two parallel wires vs. wires that are perpendicular to one another. Space two parallel wires about two feet apart and cut one a bit shorter than the other and I think you'll get better results (avoid equal lengths). Oh, and don't terminate the far ends if you plan on phasing them. As you know, phasing will allow to you essentially reverse the antenna pattern as I do here with my unterminated BOG wires. My wires are about 500 & 450 FT long. I see good F/B nulling with the phased BOGs covering about 500 kHz worth of bandwidth before I have to tweak knobs on the phaser. Yes, nighttime skywave can make phase-nulling tricky, but I generally don't have to fiddle with the knobs until I reach that bandwidth limit of about 500 kHz. The nice thing about the DKAZ is that it is broadband. Once you establish termination resistance, it's mostly "set and forget", which is great when recording the whole MW band! The BOGs offer much more gain than a DKAZ, which is why most people amp their DKAZ loops. My noise floor is usually quiet enough to where I can get away without running a preamp, but the gain really falls off at the bottom of the MW band.