Antenna construction cross Yagi, VHF band, 6 elements, 2 meters long, circular polarization, 9dB gain

Useful links: Notes on 6-Element Wide-Band 2-Meter Yagis Antenna Circular Polarization Yagi Uda Antenna Calculator Coaxial Power

How to build a cheap simple Radio Base with a (Baofeng) handheld transceiver and a SDR dongle

I encourage everyone to make a small, basic, simple and cheap radio shack. It’s a excellent start for future development,