Hey Kevin, I finally got around to building a previously-mentioned, portable, variable capacitance project box that's easily detached from one loop antenna and moved to another. Photos are attached. The inside contains a single 0-365pF variable capacitor (a dual-gang capacitor's profile fully unmeshed was too tall to fit). The capacitor sits atop a small piece of doubled-sided foam tape.
This has got to be one of the easiest projects in the world to build. I'm already thinking about a variation of placing 3 of these single capacitors on one long side and sliding switches on the other side. The switching arrangement would place the var caps in parallel making this tuning box very versatile across different loop antennas. The Crate Loop is great! I simply place the radio, headphones, flashlight, tuning box, notebook, etc. inside the crate and carry it all out to the DX site. 73, Chris Knight Fort Lupton, CO
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