Re: I know it's here somewhere: Toroid adjustments for QCX+20


L3, two turns less than spec for 20m, so 14 turns instead of 16. You should quite readily notice a peak in power as you adjust the turns from fully spread out around the toroid to tightly compressed.
Make sure you follow the "winding direction directions" (!) as this will make a difference to the ease with which you can move the windings around.
Julian, N4JO.

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