20–40–80 Meter Loaded Multiband HF Dipole Antenna
Operating on 80m, 40m, and 20m from a small backyard is no longer a challenge.…
Antenna
DIY
HF
Guide
Tools
NanoVNA Test Jig: A Practical Guide for Accurate RF Measurements
Enter the NanoVNA Test jig Kit, a simple yet powerful "sea of holes" that transforms…
Antenna
DIY
HF
Tools
4:1 UN-UN Transformer for End-Fed Antennas
Build a 4:1 un-un impedance transformer to match end-fed wire antennas to 50 Ω coax.…
Antenna
DIY
VHF/UHF
5/4 Wave VHF Antenna for 145 MHz Using 450-Ohm Ladder Line
Build a 5/4-wave VHF antenna for 145 MHz using 450 Ω ladder line and a…
Antenna
DIY
Guide
VHF/UHF
3-Element Yagi antenna for 70cm UHF band
The 3-Element Yagi antenna is a fantastic project for any radio amateur looking for a…
Antenna
DIY
Guide
VHF/UHF
FM Bazooka Antenna for Superior FM Radio Reception (88–108 MHz)
Build a broadband FM Bazooka (sleeve dipole) antenna for 88–108 MHz with low noise, stable…
Antenna
DIY
VHF/UHF
Slim-Jim Antenna for FM Broadcast Band reception (88–108 MHz)
Build a Slim-Jim antenna optimized for 88–108 MHz FM broadcast reception. This ¾-wave vertical with…
Antenna
DIY
VHF/UHF
Understanding the Bazooka Coaxial Dipole Antenna Design
The Bazooka coaxial dipole is a broadband antenna using coax cable as both radiator and…
Antenna
DIY
VHF/UHF
Stacked 5/8-wave VHF Antenna for 146 MHz
Stacked 5/8-wave VHF Antenna for 2-meter band (146 MHz). Learn design theory, dimensions, tuning method,…