The J-pole antenna is a favorite among amateur radio enthusiasts for its simple construction and high performance. It offers a low angle of radiation and requires no ground plane, making it ideal for VHF and UHF communications. This guide breaks down the design principles and construction steps for those looking to build their own. Understanding the J-Pole Design
Clean all joints with emery cloth and apply flux. Use a propane torch to sweat the joints together. j-pole antenna design pdf
The shorter parallel element used for impedance matching. The J-pole antenna is a favorite among amateur
Frequency: 144 MHz Return Loss: -12 dB VSWR: 1.8:1 Gain: 3.2 dBi j-pole antenna design pdf