He claims it will noticeably improve both transmit and receive by making a quarter-wave monopole into a makeshift dipole antenna system. Per his instructions you basically add a short wire to the ...

Meaning "two poles," a dipole antenna is the simplest type of antenna, consisting of an electrically conducting wire or rod one half the length of the maximum desired wavelength. The wire or rod ...

The video shows the inside of the box which, as you’d expect, is a toroid with a few turns of wire. The proposed antenna is an end-fed dipole fed with the unun. These are somewhat controversial ...