[G3OJV] knows the pain of trying to operate a ham radio transmitter on a small ... is a toroid with a few turns of wire. The proposed antenna is an end-fed dipole fed with the unun.

If there’s one thing that amateur radio operators are good at ... His idea was to use the tape as the radiator for an end-fed halfwave, or EFHW, antenna, a multiband design that’s a popular ...