This has made small antennas more popular, despite some limitations. [Tech Minds] reviews the GA-450 indoor active HF loop antenna and finds it better than expected. You can see the video review ...

There’s a joke in the world of radio that all you need for a HF antenna is a piece of wet ... The idea of a loop antenna is simple enough. It’s an inductor intended to respond to the magnetic ...

The single-turn loop antenna is a metallic conductor bent into the shape of a closed curve, such as a circle or a square, with a gap in the conductor to form the terminals. A multiturn loop or coil is ...