A cheap J-Pole antenna for 50 Mhz
Need a general purpose antenna on “6 – the magic band” ? The J-Pole is an easy-to-build and inexpensive device that provides an omni-directional vertically polarised antenna without the need for a ground plane. In technical terms, it is an end fed vertical 1/2 wave which is fed via a 1/4 wave matching stub. If