Most shortwave receivers for use ‘in the shack’ have a 50-coaxial input (usually a SO239 socket) which is not directly suitable for the high impedance of a typical long-wire antenna. The problem is ...

Short-wave listeners often are not able to, or allowed to, install a long-wire antenna or other large dimension antenna in or around the home. In such cases, the present active antenna, intended for ...

Usually, bigger is better. But in the case of AM towers, taller is not always better. A very tall AM radiator is not always the best radiator. In fact, without a considerable amount of expensive work, ...