DIY 145 MHz Twin Delta Loop Antenna for Ham Radio Operators

DIY 145 MHz Twin Delta Loop Antenna for Ham Radio Operators: A complete guide to building 145 MHz Twin Delta Loop antenna with dimensions, construction tips, feeding method, and performance advantages for VHF ham radio.

How to Build a Reduced Size 40M Antenna – Complete DIY Guide

How to Build a Reduced Size 40M Antenna – Complete DIY Guide: Build a compact reduced Size 40M Antenna using PVC spacers and simple materials. Get full measurements, design diagram, assembly steps, and tuning tips

VHF Radio Receiver Antenna Amplifier Using MAX2633 – Simple Low-Noise RF Preamplifier Design

VHF Radio Receiver Antenna Amplifier Using MAX2633 – Simple Low-Noise RF Preamplifier Design: A complete guide to building a VHF radio receiver antenna amplifier using the MAX2633 low-noise RF preamplifier chip with schematic explanation

PhaseLatch Mini: An Affordable STM32-Based SDR Digitizer for Radio Experimenters

PhaseLatch Mini: An Affordable STM32-Based SDR Digitizer for Radio Experimenters: PhaseLatch Mini is an STM32-based SDR digitizer with dual 12-bit ADCs and 210 kS/s USB I/Q streaming for ham radio, HF/VHF listening, and SDR experimentation.

VHF Radio Receiver Antenna Amplifier Using MAX2633 – Simple Low-Noise RF Preamplifier Design

VHF Radio Receiver Antenna Amplifier Using MAX2633 – Simple Low-Noise RF Preamplifier Design: A complete guide to building a VHF radio receiver antenna amplifier using the MAX2633 low-noise RF preamplifier chip with schematic explanation

Morgain Antenna: Dual-Band Dipole that Beats Traps

Morgain Antenna: Dual-Band Dipole that Beats Traps: Build high-performance HF Morgain antenna with accurate dimensions and simple construction. Complete guide with diagrams, spacing, materials, and tuning tips.

Shortened Vertical Antenna for the 80-Meter Band (UR0GT Design)

Shortened Vertical Antenna for the 80-Meter Band (UR0GT Design): Compact 4-meter 80-meter band shortened vertical antenna by UR0GT explained—design, loading coil, tuning details, and coax-based matching network.

A Broadband Butterfly Antenna for VHF and UHF

A Broadband Butterfly Antenna for VHF and UHF: Learn about the Square Loop Antenna (also called the butterfly antenna), a simple, broadband, bidirectional antenna with excellent gain.

RA9SUS Simple Loop Antenna covering 14–30 MHz

RA9SUS Simple Loop Antenna covering 14–30 MHz: Detailed explanation of the RA9SUS simple loop antenna covering 14–30 MHz, with tuning method, construction tips, and real-world HF performance.

RW4HFN Balcony Antenna for the 20-Meter Band

RW4HFN Balcony Antenna for the 20-Meter Band: Discover the RW4HFN balcony antenna design for the 20-meter amateur radio band—ideal for limited spaces. Includes schematic, dimensions, and inductance values