Home Made Magnetic Loop/Commercial Delta Loop Comparison Part1.
У вашего броузера проблема в совместимости с HTML5
Feeling loopy... having some fun chatting to the usual suspects on 40M, 7093KHz using different radios, different power settings and different antennas. VK6BSA mobile was about 400km away to the South and the others around 650km away to the West.