The actual loading coil with the tap points.  Left to right - first tap - the beginning of the coil winding,  tap #2 - 5th turn, tap #3 - 11th turn (the total length of the winding up to the 11th turn is 58 mm), tap #4 - 12th turn, tap #5 - 13th turn tap and tap #6 - 14th turn tap ( the end of the winding). Position #1 of the roto-switch is "by-pass". Positions #2 to #6 are corresponding to the coil taps in the order above. The controller firmware displays these positions as #0 to #5