by W3GAS The Yagi is one of the simplest directional antennas you can build today. There are no moving parts, and the Yagi can be  matched to 50 OHM very easily using GAMMA or T-MATCH. My preference is the GAMMA MATCH. The antenna is totally in the ground circuit of the coax and only the … Continue reading 8.5 DB gain for less than $40.00 – 50MHz Yagi