As featured in Practical Wireless December 2017. In 2015 I finished a 4e beam for 21 MHz, the performance was very good allowing me to work some great DX including a pile-up of JA.stations You can read more about that project here. A handy guide showing the aluminium sizes required (in both metric and imperial) and the total … Continue reading 18 MHz 3e Beam Project (Part 1)