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.

The Complete Guide to HF SSTV: From History to Your First Transmission

The Complete Guide to HF SSTV: From History to Your First Transmission: Learn how to set up SSTV (Slow Scan Television) on your SSB transceiver. Complete guide covering SSTV history, technical fundamentals, audio setup configuration

Reverse Beacon Network: The Ultimate Guide for Ham Radio Operators

Reverse Beacon Network: The Ultimate Guide for Ham Radio Operators: Discover how the Reverse Beacon Network revolutionizes amateur radio by providing real-time signal reports. Learn how RBN works, its benefits, and how to use it

uBITX Microphone Preamplifier

uBITX Microphone Preamplifier: If you own a uBITX transceiver—whether it’s the V3, V4, or V6—you’ve likely experienced the infamous low microphone audio issue. This isn’t a defect in your particular radio; it’s a well-known characteristic across all uBITX versions. The microphone input stage simply doesn’t provide enough gain for electret microphone elements, forcing operators to speak unnaturally loud or practically yell to achieve full power output.