The coil is 3 inch diameter paper bobbin and consist of 14 turns of tuning coil tapped at 6 turn, 2 ? turns for regen coil and 3 turns for antenna coil.

• 卷是 3 寸个直径纸线桥并且所组成调音卷的 14个旋转以 6个旋转轻打,2? 旋转为再一般布告卷和 3个旋转因为天线卷。