Build a broadband FM Bazooka (sleeve dipole) antenna for 88–108 MHz with low noise, stable impedance, and excellent wideband FM reception. Ideal for DX listening and clear stereo broadcast signals.
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 integrated matching section delivers omnidirectional coverage, low noise pickup, and improved DX performance over simple dipoles or whips.
Understanding the Bazooka Coaxial Dipole Antenna Design
The Bazooka coaxial dipole is a broadband antenna using coax cable as both radiator and quarter-wave sleeve balun, naturally matching 50 Ω feedlines. This guide explains its design, operation, dimensions, and VHF/UHF scaling for efficient omnidirectional performance
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, and original YY5RM reference for high gain ham radio
ATS Mini Web Interface: Features, Setup & Browser-Based Radio Control
Explore ATS Mini, the ESP32-based DSP radio, and ats mini web interface . Learn features, spectrum analyzer, memory control, and setup guide.
W5GI Multiband Collinear Antenna: A Proven HF All-Band Wire Antenna
The W5GI multiband collinear antenna combines wire radiators and coaxial phasing sections to deliver reliable HF coverage from 80–6 m. A tuner-friendly alternative to the G5RV with strong multiband performance and efficient radiation for practical ham radio installations
DIY 1 MHz AM Transmitter: A Perfect Weekend Project for Beginners
Basics of radio frequency by building a simple 1 MHz AM Transmitter. This guide explains the circuit design and secrets of amplitude modulation for hobbyists
Sleeve Dipole Antenna Design Using Coaxial Cable – A Technical Deep Dive
Master the construction of the high-performance Sleeve Dipole antenna using only coaxial cable. This technical deep-dive explains how the “sleeve” acts as a decoupling balun, providing a clean radiation pattern and low SWR for VHF/UHF and HF applications without external chokes
Integrating JTDX with sBitX for Advanced FT8 Operation
Learn how to integrate JTDX with the sBITX SDR transceiver for reliable FT8 digital operation. Step-by-step setup, CAT configuration, and audio interface tips for amateur radio operators
Simple High-Gain collinear antenna using coaxial cable
Learn how to build a simple high-gain collinear antenna using coaxial cable for VHF/UHF amateur radio. Low-cost DIY design with improved omnidirectional coverage and better range than a standard vertical