Thursday, August 6, 2026

TinyDX: A Palm-Sized HF Digital Modes Transceiver That Fits in Your Pocket

TinyDX: A Palm-Sized HF Digital Modes Transceiver That Fits in Your Pocket: Discover TinyDX an ultra-compact open-source HF digital modes transceiver by WB2CBA. Learn its features, hardware design, supported bands, and how to build one.

Wednesday, August 5, 2026

Microphone compressor using LM1458

Microphone compressor using LM1458: The LM1458 is a dual op-amp used in audio amplification circuits. Here how you can create a simple microphone compressor using the LM1458.

Building an FT8 Digital Interface – Dive into Digital Modes

Building an FT8 Digital Interface – Dive into Digital Modes: This blog post examines a well-designed FT8 digital interface circuit that provides both audio coupling and PTT (Push-to-Talk) control.

Tuesday, June 23, 2026

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