Saturday, October 10, 2026

VHF Collinear J-Pole : The DIY Super J-Pole Antenna

VHF Collinear J-Pole : The DIY Super J-Pole Antenna: Take your VHF/UHF station to the next level with DIY Super J-Pole guide. Learn how to build this collinear antenna for maximum gain and clear long communication

Compact Open Sleeve Dipole Antenna for 40 and 20 Meters

Compact Open Sleeve Dipole Antenna for 40 and 20 Meters: Learn how to build compact dual-band open sleeve dipole antenna for 40 and 20 meters using 450-ohm line. This shortened HF antenna offers solid performance

Double Dipole Antenna for 80–10 Meter Bands

Double Dipole Antenna for 80–10 Meter Bands: Learn how a 31-meter double dipole antenna works for 80–10 meter HF bands. Includes dimensions, feedline setup, tuning tips, and performance notes.

3-Band HF Antenna: A Simple, High-Performance Design

3-Band HF Antenna: A Simple, High-Performance Design: Discover how to build a reliable 3-band hf antenna for 40m, 20m, and 10m. This modification uses an asymmetrical dipole and a toroid balun to deliver better SWR