I, too, have been quietly building, inspired by Eric. I have built a 2.5 foot diameter secondary coil, 20 turns (will adjust down to 17 to tune and compare) on a wooden frame. It's calculated with the equations given earlier, for 1 mhz.
For the primary I used the exact same wire as secondary, measured the distance between two clamps and then clamped folded 10 turns of wire back on itself. I then cut the bundle at both ends and joined them together to make one primary turn (if I measured carefully enough). Two turns of 10 wires should match the mass of the secondary.
Dave:
That is a beautiful MWO antenna you have etched there. I have been making plans to build a similar one for a while now, since I saw the USPA MWO presentation. However being the perfectionist that I am, I have been attempting to teach myself how to draw the rings in log periodic form. Have still not finished that project yet.
For the primary I used the exact same wire as secondary, measured the distance between two clamps and then clamped folded 10 turns of wire back on itself. I then cut the bundle at both ends and joined them together to make one primary turn (if I measured carefully enough). Two turns of 10 wires should match the mass of the secondary.
Dave:
That is a beautiful MWO antenna you have etched there. I have been making plans to build a similar one for a while now, since I saw the USPA MWO presentation. However being the perfectionist that I am, I have been attempting to teach myself how to draw the rings in log periodic form. Have still not finished that project yet.
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