Multi Band Capacitor Loaded Shortened Dipole Antenna
Space is often a premium for radio amateurs, but you don’t have to sacrifice performance to enjoy HF bands. The…
Author: Prabakaran
HF Delta Loop Antenna
The delta loop antenna represents one of the most versatile and efficient antenna designs for HF amateur radio operations. This…
When Satellites Encroach: Ham Radio vs AST SpaceMobile
A dispute is brewing between ham radio enthusiasts and satellite company AST SpaceMobile. The issue centers on AST’s plan to…
The End of NOAA-15 and NOAA-19: What’s Next for Weather Satellite Hobbyists?
For decades, NOAA’s Polar Operational Environmental Satellites (POES) like NOAA-15 and NOAA-19 have been a treasure trove for hobbyists and…
DIY Active Antenna: Boost Weak HF/VHF Signals
If you’re passionate about shortwave or HF/VHF radio but frustrated by noisy, hard-to-hear signals, an Active Antenna could be the…
OSPI vs QSPI in ATS Mini Radio: How to Identify Your Flash Interface
With the rising popularity of compact SDR platforms like the ATS Mini Radio, many developers and hobbyists are encountering advanced…
HackRF Pro: Great Scott Gadgets Unveils Powerful New SDR
For years, the HackRF One has been a cornerstone in the world of software-defined radio (SDR), revered for its open-source…
An End of an Era: Decommissioning NOAA-15 and NOAA-19 Polar Satellites
For decades, the Polar Operational Environmental Satellites (POES) constellation has been the silent guardian of our planet, circling Earth from…
Build a Simple Speech Processor Circuit Using LM358
A speech processor is an essential component in amateur radio and audio systems that enhances voice clarity and intelligibility. This…
Log audio Compressor Circuit for Smooth Natural Compression
In audio processing—especially in public address systems, transmitters, and recording setups—controlling the dynamic range of signals is crucial. A log…