Simple 29 MHz AM Transmitter
A detailed look at a compact 29 MHz AM transmitter for the 10-meter amateur band,…
Circuits
Transmitter
Articles
Digital modes
DIY
Guide
HF
The Complete Guide to HF SSTV: From History to Your First Transmission
Slow Scan Television is a method of transmitting still images over radio using audio frequency…
Articles
CW
Guide
HF
Reverse Beacon Network: The Ultimate Guide for Ham Radio Operators
The Reverse Beacon Network represents one of the most significant technological advances in amateur radio…
Antenna
DIY
HF
94-Foot Multi Band Doublet Antenna – Simple All-Band HF Wire antenna
If you could only ever hang one wire in your backyard for the rest of…
Articles
Guide
HF
Tools
Transmitter
Near Vertical Incidence Skywave (NVIS): The Definitive Guide to Reliable Regional HF Radio
This article will give you a complete understanding of NVIS propagation. With the level of…
Articles
Guide
radio
Reviews
Evolution of the ATS Mini: A Technical Deep Dive into V1 through V4
The ATS Mini series represents one of the most innovative developments in pocket-sized DSP receivers…
Circuits
CW
DIY
HF
Transmitter
Building Sovina 40M Class E CW Transmitter with BS170 MOSFETs
Build the Sovina 40 m Class-E CW transmitter using BS170 MOSFETs and 74HC02 logic for…
Antenna
DIY
VHF/UHF
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,…
Antenna
DIY
HF
Building a Andy 2E1TAP’s Shortened 40-Meter Delta Loop
Full-size Delta Loops for the 40-meter band normally require around 42 meters of wire—often impossible…