This has been used for many years from VLF-60m with great success. After cutting back some bushes, I want to replace this and try it on 630m, 160m and 80m. Although theories vary, I think it acts as a loop in the ground at MF. It certainly works remarkably well.
Most of the path is in the ground with just the return wire from the far electrode along the fence. Tests with the return wire on the ground at 630m made little difference, so most of the radiation is from the loop in the ground.
If my theory is correct, the effective loop diameter gets bigger as you move LF. At 2200m it should be even better!
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