Shortwave antenna for radio transmission

Impedance tuned dipole

There are many publications where there is an interesting antenna where there is resistance instead of balun 100 ohm. I've done experiments on this topic is the fact that 100 ohm. Impedance adapts the antenna better and without losses than when using a toroidal balun, and I have probably tried any toroidal baluns. 50 ohm resistance because the HF energy burns to the resistivity of what 100 ohms only partially calves and the burn is negligible
The toroidal balun goes to the ground after a few turns, which electrically short-circuits and when it is not a good toroid, thus, an undesirable attenuation occurs.

At 10x resistance 1 kiloohm which is approx 100 ohm impedance end so the power supply goes into resonance. If excess energy is generated , it gets into resistance and is partially balanced approximately 60 ohm. I separated the resistance with capacitors and so I achieved better resistance efficiency without burning energy if the antenna is completely out of approximate impedance. It is good to calculate the average length of the antenna according to what bands we want to walk.

Ideally 2x 15 m which is good for bands 14-18-21-24-28 MHz, but it also calms down to the lower bands due to the minimum height of the antenna above the ground of about 10 m and more.

Many people think what this nonsense is, but I am worth the experience with this antenna and I can say that it was tried by other amateurs with a surprisingly good experience. I admit that if the antenna is tuned to its wavelength, it is much better, but unfortunately not every amateur has the opportunity for an ideal antenna. This is the perfect solution.

In my QTH, I had a QSO to VE on this antenna with a height of 8m and later 11m above the ground.,W,PY. It is suitable for European connections but as you can see DX, I fail QSO on VK,ZL which is not the winding antenna but its location. I've never had more than 100 WATT performance but it is easy to use QRP.

Jarda OM7JN