9M2PJU PRO SIGNAL
Professional Terrain-Aware RF Coverage for Amateur Radio Operators Understanding how far your signal truly reaches…
Understanding Quarter-Wave Stubs Made Easy: An Interactive Tool for Every Ham
In RF engineering, quarter-wave stubs are one of the simplest and most powerful tools we…
SkyRoof: All-in-One SDR and Satellite Tracking for Ham Radio Enthusiasts
For amateur radio operators and satellite enthusiasts, SkyRoof is an exciting open-source Windows application that…
Selamat Hari Kebangsaan 2025
A Special Reflection for Malaysian Amateur Radio Operators Today, 31st August 2025, we celebrate 68…
A Look at PinPoint APRS: Field-Tested, Feature-Packed, and Free
If you’ve ever been involved in emergency communications, public service events, or even casual ham…
Introducing the 4O3A Station Manager: Centralized Control for Your Entire Station
The world of amateur radio is evolving fast - and with that comes the need…
VP-Digi: A Powerful, Affordable, and Open-Source APRS Digipeater Controller
If you're into APRS and looking for a cheap, functional, and open-source digipeater solution, VP-Digi…
SPLAT! – Open Source RF Propagation Tool for Linux
If you're into amateur radio and ever wondered how far your signal actually travels -…
Understanding Emission Designators for APRS and Digital Modes on 2m and 70cm Bands
When working with APRS (Automatic Packet Reporting System), digital modes, or new technologies like LoRa…