A Broadband Butterfly Antenna for VHF and UHF
The broadband butterfly (bi-square) antenna uses two connected square loops to deliver stable 50–75 Ω…
Antenna
DIY
Reception
VHF/UHF
Antenna
DIY
VHF/UHF
Square Loop Antenna for 144/430 MHz – Complete DIY Dual-Band Build Guide
The dual-band 144/430 MHz Square Loop Antenna is one of the most efficient and compact…
Antenna
DIY
radio
VHF/UHF
DIY 145 MHz Twin Delta Loop Antenna for Ham Radio Operators
Boost your VHF performance with the DIY 145 MHz Twin Delta Loop antenna. This technical…
Antenna
DIY
radio
VHF/UHF
UR0GT Broadband Avia Antenna (RW4HVN Mod): The Ultimate Wideband VHF Antenna Guide
Unlock extreme bandwidth with the UR0GT Broadband Avia Antenna (RW4HVN Mod). This technical guide explores…
Antenna
DIY
VHF/UHF
Simple 2M VHF Sleeve Dipole Antenna for Rapid Field Deployment
A simple and effective 2-meter ham band sleeve dipole antenna design using a ¼-wave whip…
Antenna
Articles
radio
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…
Antenna
DIY
VHF/UHF
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,…
Antenna
DIY
VHF/UHF
Popovic Dual Band Antenna for 2m and 70cm Bands
Build the Popovic dual band antenna for 2m and 70cm bands — a simple, efficient…