A simple and effective 2-meter ham band sleeve dipole antenna design using a ¼-wave whip and a ¼-wave aluminium sleeve over copper braid.
Tag: VHF/UHF Antenna
DIY VHF/UHF antenna projects, designs, and build guides for amateur radio and FM communication. Explore loop, collinear, J-pole, bazooka, and dual-band antennas with dimensions, theory, and construction tips to improve gain, bandwidth, and on-air performance.
Separating Signal from Static: Common Myths and Facts About Radio Antennas
From the smallest Wi-Fi chip antenna to the largest High-Frequency (HF) wire arrays, radio antennas are the crucial link between your radio and the airwaves. They are marvels of physics, yet decades of folklore have created persistent myths that trip up even seasoned operators.
High Gain Collinear Antenna for 145 MHz and 433 MHz Bands
Learn to build a 145 MHz/433 MHz collinear antenna with 0.64λ radiators, 0.25λ phasing stub, and direct 50 Ω feed for compact high-gain VHF/UHF stations
Popovic Dual Band Antenna for 2m and 70cm Bands
Build the Popovic dual band antenna for 2m and 70cm bands — a simple, efficient DIY VHF/UHF antenna with excellent SWR, omnidirectional pattern, and easy home construction