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The Rise of PCMCIA Cards as Cryptographic Security Modules in the 1990s
In the early 1990s, the emergence of personal computers (PCs) and laptops began to revolutionize…
9M2PJU Ham Radio Clock: A DXing Tool for Amateur Radio Operators
Introducing the 9M2PJU Ham Radio Clock-a powerful system designed to display essential information for amateur…
Eyeball QSO with Egon KF4DX in Kuala Lumpur
On 22nd September 2024, I had the privilege of hosting Egon, KF4DX, from Florida, USA,…
Kuala Lumpur APRS Digipeaters Maintenance and Installation by 9M2PJU, 9W2VHF, 9W2YFS and 9M2EDU
Recently, I had the opportunity to join fellow amateur radio enthusiasts 9W2VHF, 9W2YFS, and 9M2EDU…
The Power of Chirp Spread Spectrum (CSS): History, Techniques, and Applications
Introduction Chirp Spread Spectrum (CSS) is a unique modulation technique renowned for its robustness, long-range…
Hackintosh: A Comprehensive Guide to Building Your Custom macOS PC
Introduction In the world of technology enthusiasts, few projects are as captivating as building a…
Convert Your Heltec Wireless Stick Into a 433 MHz LoRa APRS iGate or Digipeater
In this guide, we'll walk you through the steps to turn a Heltec Wireless Stick…
Convert Your 433 MHz Heltec Wireless Tracker into a 433 MHz LoRa APRS Tracker
In this guide, we'll walk you through the steps to convert a 433 MHz Heltec…
Understanding APRS Wide Path Configurations: From Wide1-1 to Wide3-3
Amateur radio enthusiasts and emergency communication specialists often rely on the Automatic Packet Reporting System…
