High-Q Coil Construction Techniques n the past I used loading coils to improve the efficiency of a short dipole on 80m. The results, however, were disappointing. The main reason seemed to be the low Q factor of the coils
Build a 12/17 Meter Trap Dipole Why a 12/17 meter rotatable dipole? Well, many folks have verticals for the lower bands, and multiband dipoles or beams for 20 15 and 10 meters.But often you don't have an antenna for the 17 and 12 meter bands
