> The link is (black wire in pictures) 2 turns at the bottom, to ground. > > This coil measures out as 2 mH, with a Q > 400. > > VARIOMETER is 250 uH. Wound with #12 plastic on white 6" dia > PVC pipe ( sewer pipe I believe ). Length was 6 inches. > %o turns came out at 250 uH, with a Q>350. Should read 50 turns on variometer in this case.