When choosing a Linux distribution for amateur radio use, there’s no shortage of options. From beginner-friendly distros like Ubuntu and Linux Mint to specialized ham radio distributions like Ham Radio PureBlend (Debian) or DragonOS, the variety can be overwhelming.

However, Arch Linux consistently stands out among experienced users — not because it’s easy to use, but because of the power, flexibility, and control it offers. For amateur radio operators who want to experiment, build, and truly understand the system they’re working with, Arch might just be the ideal platform.

Here’s why.

Built From the Ground Up — Just Like Your Shack

Arch Linux doesn’t come with a desktop environment or pre-installed software. That might seem like a downside, but for ham radio users, this is a huge advantage. You can install only what you need: a lightweight desktop environment, essential communication tools like chirp, fldigi, direwolf, xastir, or even SDR software like gqrx, gnuradio, and quisk.

By starting with a minimal system, you reduce bloat, conserve resources, and maintain a clean operating environment — ideal for running on older hardware or Raspberry Pi-based shack PCs.

The Power of Pacman and AUR

Arch’s package manager, pacman, is fast and reliable, and Arch’s official repositories are always up to date.

But where Arch truly shines for ham radio is in the AUR (Arch User Repository) — a massive, community-driven collection of user-submitted software packages. Many ham radio tools that aren’t available in official repos or other distros can be found in the AUR. Installing them is as simple as:

yay -S wsjtx

This gives you access to bleeding-edge versions of tools like WSJT-X, SDRangel, QSSTV, and more — often updated faster than in other distributions.

Rolling Releases — Always Current

Unlike Ubuntu or Debian, Arch uses a rolling release model. That means you install Arch once and keep it up to date with a single command. No need to re-install or upgrade to a new version every few years.

This is especially important for software like GNU Radio or SDR drivers, where newer kernel or library support can significantly improve performance or compatibility with new radios and hardware.

Arch Wiki — Your Second Shack Manual

The Arch Wiki is arguably one of the best technical documentation resources in the Linux world. Whether you’re trying to set up a soundmodem, configure AX.25 networking, or install WSJT-X with USB PTT, chances are the Arch Wiki has a guide — often more thorough than the official docs.

Even non-Arch users frequently reference the Arch Wiki because of its clarity and completeness.

Ideal for Learning and Experimentation

Just like building antennas or experimenting with digital modes, running Arch Linux is a learning experience. Installing Arch means learning how Linux works — from partitioning disks to configuring the bootloader, setting up audio properly (especially important in digital modes), and understanding how to manage system services.

If you enjoy technical depth and want a Linux system that reflects the DIY spirit of amateur radio, Arch is a natural fit.

But It’s Not for Everyone

To be fair, Arch has a steeper learning curve than beginner-friendly distros. If you want a system that “just works” out of the box, something like Ubuntu, Linux Mint, or Pop!_OS might suit you better.

Alternatively, EndeavourOS or Garuda Linux provide the Arch experience with easier installation, while still giving access to the AUR and rolling updates.

Summary: Why Arch Linux Works for Ham Radio

Final Thoughts

Arch Linux isn’t the easiest distro to set up, but it’s one of the most rewarding for those who enjoy learning, tinkering, and customizing their digital shack. For amateur radio operators who value flexibility and cutting-edge software — and don’t mind getting their hands dirty — Arch Linux might be the best tool for the job.

The post Why Arch Linux Might Be the Best Choice for Amateur Radio Operators appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

Amateur radio—or “ham radio” as it’s affectionately known—has always been a playground for experimenters, hobbyists, and professionals who enjoy working with radio communication technologies. Whether you’re into voice communication, digital modes like FT8, APRS tracking, or satellite communication, there’s a vibrant ecosystem of Linux-based tools to explore.

For users of Arch Linux and its derivatives (such as EndeavourOS, Manjaro, or CachyOS), the Arch User Repository (AUR) is a treasure trove of amateur radio software. This post highlights some of the key applications and tools available, and how they fit into a typical ham radio setup on Linux.

Getting Started: A Note on Permissions

Most amateur radio applications require access to serial ports (like /dev/ttyUSB0) to interface with radios for CAT control or PTT keying. On Arch, you’ll want to add your user to the uucp group to ensure proper access:

sudo usermod -aG uucp yourusername

Hardware Compatibility

Many modern radios support USB connectivity, appearing as sound and serial devices on Linux. Popular options include:

• Digirig Mobile: A compact, USB-based soundcard and CAT interface. Usually recognized as a C-Media USB Audio device.
• Icom IC-705: Offers built-in soundcard and CAT control via USB. Typically shows up as Burr-Brown USB Audio and dual /dev/ttyUSBx devices.

These devices integrate seamlessly with most Linux ham software, thanks to support from ALSA and standard USB-serial drivers.

Core Software

Here’s a curated list of essential amateur radio software available in the AUR:

Radio Control and Interfaces

• Hamlib
• Grig
• FLDigi
• Soundmodem

Digital Modes (FT8, WSPR, etc.)

• WSJT-X
• WSJT-X Improved
  • Alternate Layout
  • Widescreen Layout
• JTDX Improved
  • JTDX GUI Version

APRS and Packet

• Xastir
• aprx
• libfap

Digital Voice (HF DV)

• FreeDV GUI
• Codec2

Logging and Contests

• cqrlog-bin
• klog
• tlf
• trustedqsl
• xlog
• yfklog
• yfktest
• hamrs-appimage

Satellite and Propagation Tools

• gpredict
• hamsolar
• splat
• sunclock
• xnec2c

Morse Code Trainers

• aldo
• cutecw
• ebook2cw
• gtkmmorse
• kochmorse
• qrq
• unixcw

Other Useful Tools

• cwirc
• cty
• dxcc

Searching for More Ham Radio Software

The software listed above only scratches the surface of what’s available to amateur radio operators on Arch Linux. If you’re looking for something more specific—like SDR utilities, repeater directory tools, or hardware-specific programs—just head over to the AUR website and use keywords like ham, radio, sdr, cw, or aprs in your search.

To make installation easier, most Arch users rely on AUR helpers like yay or paru. These tools simplify searching, installing, and updating AUR packages:

yay -Ss aprs
paru -S wsjtx

They also handle dependencies and updates gracefully, making them a must-have for any Arch-based ham operator.

Final Thoughts

Arch Linux is a powerful and flexible platform for amateur radio enthusiasts. With rolling updates and access to the AUR, it offers bleeding-edge access to the latest versions of ham radio software. Whether you’re decoding FT8, operating APRS, logging DX from the field, or simulating antenna patterns, there’s something in the Arch ecosystem to support your shack.

If you’re just getting into ham radio, start with logging tools or FT8, and explore from there. And remember, while receiving is free, transmitting on amateur bands requires a license—check your country’s regulations.

The post Exploring Amateur Radio Software on Arch Linux appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

Whether you’re setting up an APRS iGate, running digital modes, or experimenting with SDR, the Raspberry Pi is a fantastic platform for amateur radio. It’s small, efficient, and surprisingly powerful. But with so many OS choices out there, which one is best for your shack?

Here’s a comprehensive guide to the best operating systems and setups tailored for amateur radio enthusiasts using the Raspberry Pi.

1. Raspberry Pi OS – The Flexible Foundation

Best for: Custom setups and flexibility
Why choose it? This is the official OS supported by the Raspberry Pi Foundation and offers full compatibility with most ham radio applications.

With the base OS (either the full desktop or the Lite version), you can install exactly what you need. Perfect for hams who want full control.

Recommended ham packages:

sudo apt update
sudo apt install fldigi flrig wsjtx js8call direwolf xastir

You can also add chirp for radio programming, gnuradio for SDR, or gpsd for location services.

2. HamPi – All-in-One Ham Radio OS

Developed by: Dave Slotter, W3DJS
Best for: Plug-and-play ham shack
What makes it special? HamPi is a fully-loaded Raspberry Pi image designed just for amateur radio.

Included software:

• WSJT-X, FLDIGI, JS8Call, CQRLOG
• GNU Radio, Xastir, Direwolf
• A huge range of tools for HF, VHF, SDR, logging, and more

Download from: https://github.com/dslotter/HamPi

Tip: Best used on Raspberry Pi 4 with 2GB RAM or more.

3. Build-a-Pi – Script Your Shack (73Linux)

Created by: KM4ACK
Best for: DIY-friendly automation
What it does: Build-a-Pi is a script that transforms a fresh install of Raspberry Pi OS Lite into a complete ham radio toolkit.

Features:

• Custom installs for JS8Call, WSJT-X, Direwolf, FLDIGI, HamLib
• Great for headless or touchscreen operation
• Community-supported and frequently updated

More info: https://github.com/km4ack/73Linux

4. PiAPRS – APRS-Focused Builds

Best for: APRS digipeaters, iGates, and trackers
Suggested setup:

• Start with Raspberry Pi OS Lite
• Add direwolf, aprx, or YAAC
• Add gpsd for GPS integration
• Connect via USB soundcard or hardware TNC

Perfect for building your own APRS infrastructure or mobile station. Simple, reliable, and efficient.

More info: https://github.com/km4ack/Pi-APRS

5. SkyAware / PiAware – For ADS-B and Aircraft Tracking

Developed by: FlightAware
Best for: Monitoring aircraft with an RTL-SDR dongle
What it does: This turnkey OS lets you receive live ADS-B data and feed it to FlightAware or view it locally.

More info: flightaware.com/adsb/piaware

Plug in your SDR and antenna, and you’re tracking planes in no time.

6. DragonOS – For Hardcore SDR Users

Best for: SDR experimentation and development
What’s inside: GNU Radio, GQRX, SDRangel, and a full set of signal analysis tools.

Note: DragonOS is heavier and best suited for Raspberry Pi 4 or 5 with plenty of RAM.

More info: DragonOS on SourceForge

7. Minimal Setup for Bots and Headless Gateways

For projects like APRS bots, stick to a minimal OS like:

• Raspberry Pi OS Lite (64-bit)

Then install only what’s needed:

sudo apt install python3 gpsd direwolf ax25-tools

Manage your scripts with systemd or cron. This keeps your system lean and efficient.

Recommended Hardware

• Raspberry Pi Model: Pi 3B+ or Pi 4 (2GB+ RAM recommended)
• Storage: At least 16GB Class 10 microSD or USB SSD
• Extras: USB soundcard, GPS module, USB-Serial cable, or TNC interface (e.g. Signalink, Digirig)

Final Thoughts

There’s no “one size fits all” OS for amateur radio on Raspberry Pi. It depends on your use case:

• Want an APRS gateway? Go minimal with Direwolf on Raspberry Pi OS Lite.
• Prefer digital modes like FT8 or JS8? Try HamPi or Build-a-Pi.
• Into SDR or signal decoding? DragonOS has you covered.
• Want to feed ADS-B data to FlightAware? Use PiAware.

Whatever your setup, the Raspberry Pi continues to be a powerhouse for hams who love to tinker, operate, and innovate.

The post Best Operating Systems for Raspberry Pi in Amateur Radio Use appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

In the analog days of amateur radio, confirming a QSO (contact) often meant waiting weeks — or even months — for a paper QSL card to arrive via postal mail. These cards, beautifully designed and personally meaningful, were — and still are — treasured by hams around the world. But with the rise of digital logging, there came a need for something faster, more secure, and scalable for the modern era.

Enter Logbook of The World (LoTW), a game-changing system developed by the ARRL (American Radio Relay League). LoTW enables licensed amateur radio operators to submit and match QSO records electronically, eliminating the need for physical QSL cards while still offering a trusted confirmation process.

At the heart of this system is TrustedQSL (TQSL) — the official software used to digitally sign and upload your contacts to LoTW. It ensures that:

• Your identity and callsign are verified via a certificate issued by ARRL.
• Your log files (usually in ADIF format) are cryptographically signed, proving their authenticity.
• Confirmations happen automatically when your logged QSOs match with others in the system.

How This Changed QSO Confirmations Forever

Before LoTW, confirming a DXCC or WAS award required collecting and organizing piles of paper cards, often at considerable cost and effort. Now, with LoTW:

• Confirmations can happen within minutes, not months.
• There’s no postage or mailing involved.
• It’s globally accessible, 24/7.
• It reduces errors, fraud, and loss compared to traditional QSL methods.
• Operators can easily track award progress with automated tools.

While paper QSLs still have sentimental and collectible value, LoTW has become the de facto standard for official QSO confirmation in contests, awards (like DXCC, WAS, and VUCC), and everyday operating.

In short, LoTW and TrustedQSL have brought amateur radio into the digital age, without compromising trust, authenticity, or the sense of connection that makes this hobby special.

For amateur radio operators who log their QSOs digitally, the ARRL Logbook of the World (LoTW) is an essential service. To upload your logs securely to LoTW, you need a tool that signs them using a valid certificate, and that’s where TrustedQSL (TQSL) comes in.

If you’re using Arch Linux or an Arch-based distro like Manjaro, EndeavourOS, or CachyOS, you won’t find TrustedQSL in the official repositories, but thanks to the Arch User Repository (AUR), installing it is straightforward.

Here’s a step-by-step guide to installing the latest development version of TrustedQSL using the trustedqsl-git AUR package.

Prerequisites

Before you begin, ensure you have an AUR helper installed. The most common options are:

• yay
• paru

If you don’t have one yet, you can install yay with:

sudo pacman -S --needed base-devel git
git clone https://aur.archlinux.org/yay.git
cd yay
makepkg -si

Installing TrustedQSL from AUR

Now that your AUR helper is ready, you can install TrustedQSL:

paru -S trustedqsl-git

Or with yay:

yay -S trustedqsl-git

This package pulls the latest source code, compiles it, and installs it on your system.

Note: The -git suffix means this package builds the development version of TQSL from source.

Launching TQSL

Once installed, you can launch TrustedQSL from your application menu or by typing:

tqsl

The interface should feel familiar to those coming from Windows or macOS. You can now:

• Request or load your LoTW certificate
• Sign ADIF logs (e.g., from WSJT-X, Log4OM, CQRLOG, etc.)
• Upload signed logs directly to LoTW

Why Use trustedqsl-git?

Using trustedqsl-git has its benefits:

• You’re always running the latest version with the newest features and bug fixes.
• Great for testing upcoming features or contributing feedback upstream.
• Works well for those comfortable with the rolling-release nature of Arch.

However, keep in mind that development versions can occasionally introduce instability. If you prefer only stable releases, consider building from ARRL’s release tarballs.

Updating TQSL

Like any AUR package, updates trustedqsl-git won’t come via pacman -Syu. Instead, update it with your AUR helper:

paru -Syu

Or specifically:

paru -S trustedqsl-git

This will rebuild TQSL from the latest commit.

Final Thoughts

TrustedQSL is a crucial tool in the modern ham operator’s digital workflow, and it works beautifully on Arch-based systems with just a bit of help from the AUR. Whether you’re uploading FT8 contacts from WSJT-X or submitting your latest DXpedition logs, TQSL keeps your LoTW submissions valid and secure.

The post Installing TrustedQSL (TQSL) on Arch Linux Using AUR appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

I recently sat down at the shack with a Debian testing installed—more out of curiosity than anything—and decided to dig around to see what kind of amateur radio software is available directly from the APT repositories. No PPAs, no compiling from scratch. Just plain old apt.

And honestly? There’s a lot in there.

Getting Started

If you’re running Debian (or something based on it—like Ubuntu), pop open your terminal and try this:

apt-cache search amateur radio

The list is long. I figured I’d share some of the highlights that caught my eye, in case you’re thinking of setting up a ham radio workstation with Linux.

APRS & Packet Stuff

Want to run your own APRS iGate or digipeater? You’re covered.

• aprx: This one’s solid for setting up a receive-only or full iGate.
• aprsdigi: A simpler digipeater option.
• soundmodem: Emulates a TNC using just your sound card. Works well with 1200 baud packet.

Also stumbled on a2d—apparently it bridges APRS to DAPNET for DMR pagers.

Digital Modes

Of course, WSJT-X and friends are there:

• wsjtx, jtdx: Your go-to for FT8, FT4, WSPR, etc.
• js8call: A personal favorite for low-band chatting with more flexibility than FT8.
• flamp, flmsg, flwrap: For sending structured messages and files over HF.

If you’re into Winlink, there’s pat—a decent cross-platform client. Easy to run headless too.

Exams & Learning

Even tools to help study:

• hamexam: Practice tests for US licenses.
• canadian-ham-exam: Same idea, for our friends in Canada.

Rig Control

No need for proprietary tools here.

• hamlib: Core library for rig control (also has CLI tools).
• libhamlib-utils: Helpful for scripting or testing.
• There are bindings for Python, Perl, Lua, and even Tcl if you’re into that kind of thing.

You can even drive your transceiver from a Python script with python3-hamlib and pyhamtools.

Satellites & Propagation

Playing with propagation tools?

• gr-satellites: GNU Radio-based decoders for satellite telemetry.
• voacapl + pythonprop: Good ol’ HF propagation prediction, straight from the VOACAP engine.

EchoLink & Remote Ops

Some of us love working remote—or just can’t be at the shack all day.

• qtel: EchoLink client with a basic but functional GUI.
• svxlink-server: A full-featured voice-over-IP server for ham ops.
• remotetrx: For controlling radios remotely.

Also found svxreflector and GPIO tools for hardware control—perfect if you’re building a repeater or node.

Logging & Contesting

• xlog: A solid GTK+ logger. Lightweight, gets the job done.
• pyqso: Python-based, good for scripting or minimalist use.
• tlf: Console-based contest logger—perfect if you like living in the terminal.

One Command to Grab Everything

If you just want to explore, Debian offers a meta-package:

sudo apt install task-hamradio-blend

That’ll pull in a bunch of packages related to amateur radio, SDR, and digital comms. Saves a lot of time.

Final Thoughts

Running amateur radio on Linux used to feel like a hacky workaround. Today? It’s actually pretty smooth—at least on Debian. The tools are all right there in the official repos, and most are maintained well enough to be usable out of the box.

The post What Debian Offers for Amateur Radio in APT appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

If you’re using Linux today — whether on a desktop, server, or embedded device — there’s a good chance the foundation of your system can be traced back to Debian. Debian is one of the oldest, most respected, and most influential GNU/Linux distributions ever created. It has quietly shaped the digital world around us — from powering large-scale web servers and scientific clusters to forming the basis of popular distributions like Ubuntu, Raspbian, and countless others.

But Debian is more than just a technical achievement. It is a social, ethical, and political project — one rooted in the ideals of freedom, transparency, and community governance.

This article takes a detailed journey through Debian’s origins, evolution, and its unique capabilities in desktop and server environments — and highlights why Debian is a perfect match for amateur radio operators.

The Origin of Debian: A Manifesto Becomes a Movement

In the early 1990s, the Linux kernel was still a new and evolving project. While Linus Torvalds was actively developing the kernel itself, various individuals and small groups were creating their own Linux distributions. These early distributions were often difficult to maintain, poorly documented, and inconsistent.

Enter Ian Murdock, a young computer science student at Purdue University. On August 16, 1993, he released the Debian Manifesto, which laid out a bold vision: a completely free, open, and community-developed operating system that adhered to the values of the Free Software Foundation.

He named it “Debian” — a portmanteau of his name and that of his then-girlfriend, Debra.

From the beginning, Debian sought to be different:

• It would not be controlled by a single person or company.
• It would emphasize openness, stability, and quality.
• It would be built by volunteers and for the community.

Debian was not only a software project — it was a social contract, a movement, and a model for how free software could be built cooperatively.

Historical Milestones: Debian Through the Years

1993–1995: The Early Days

Debian 0.91 was the first version that gained traction, introducing the .deb package format and the dpkg package manager. From the start, Debian aimed to be modular, reliable, and secure.

1996: The Birth of APT

One of Debian’s greatest innovations was the introduction of APT (Advanced Package Tool) — a front-end that made it easier to install, upgrade, and remove software while managing dependencies automatically. This was a huge leap over what other distributions offered at the time.

Late 1990s: A Social and Ethical Framework

Debian formalized its values through documents like:

• The Debian Social Contract
• The Debian Free Software Guidelines (DFSG)
• The Debian Constitution

These were radical moves. Debian became the first Linux distribution to explicitly define its governance, its commitment to users, and its ethical foundations.

2000s–2010s: Becoming a Foundation for the World

Debian’s popularity surged. It became the base for:

• Ubuntu
• Raspbian (now Raspberry Pi OS)
• Kali Linux
• Linux Mint (Debian Edition)
• Countless server deployments in enterprises and universities

Debian evolved to support multiple CPU architectures, introduced udev for dynamic device management, and transitioned to systemd in later years for improved boot and service handling.

Today, Debian is developed by over 1,000 active developers, with tens of thousands of contributors and mirror servers in almost every country on Earth.

Debian on the Desktop: A Powerhouse of Possibility

Although Debian has a reputation as a server distribution, it is equally capable as a desktop system, especially for users who value stability, freedom, and control.

Why Choose Debian for Desktop Computing?

1. Unmatched Stability

Debian’s “Stable” release is tested for months, sometimes years, before finalization. This makes it ideal for users who prioritize reliability over bleeding-edge features.

2. Custom Desktop Environments

Whether you prefer GNOME, KDE Plasma, XFCE, LXQt, Mate, Cinnamon, or even minimalist setups like i3wm, Debian allows full flexibility during installation.

3. Freedom From Bloatware

Unlike commercial operating systems that come pre-loaded with unnecessary software and background tracking, Debian installs only what you choose — nothing more.

4. Vast Software Library

With more than 59,000 precompiled packages, almost every piece of software you could need is available directly via apt. From graphic design and media editing to office work and development tools — Debian has it all.

5. Privacy and Security

Debian has no telemetry. It does not collect or transmit user data, ever. Plus, it receives security updates from a dedicated security team that supports each Stable release for five years or more.

6. Perfect for Developers and Hackers

Debian is an ideal workstation for programmers, sysadmins, researchers, and makers. It supports development tools in C, Python, Rust, Go, Java, and more — all easily installable through the package manager.

Debian as a Server: The Gold Standard of Stability

When it comes to deploying mission-critical applications, few operating systems are as trusted as Debian.

Why Debian Dominates Server Rooms

1. Long-Term Stability

Debian’s conservative release cycle ensures that servers can run for years without interruption, even through major upgrades.

2. Excellent Security Practices

Debian takes security seriously. With signed packages, trusted repositories, and an active security team, administrators can sleep better knowing their systems are protected.

3. Universal Hardware Support

From Raspberry Pis to enterprise-grade x86 servers, from old legacy boxes to modern ARM64 devices — Debian supports them all.

4. Container and Virtualization Ready

Debian is the default base image for Docker containers, is heavily used in cloud infrastructure, and runs perfectly on KVM, Xen, LXC, and VMware.

5. Flexible Roles

Debian can easily be configured as:

• Web server (Apache, NGINX)
• Mail server (Postfix, Dovecot)
• DNS server (BIND, Unbound)
• Database server (PostgreSQL, MySQL, MariaDB)
• File server (Samba, NFS)
• VPN (WireGuard, OpenVPN)

6. Efficient Resource Usage

Without bloated GUIs or unnecessary background services, Debian performs faster and lighter than most alternatives. It’s ideal for headless systems and energy-efficient servers.

Debian for Amateur Radio Operators: A Perfect Match

How Debian Enhances Ham Radio Operations

1. Wide Selection of Ham Software

Debian’s repository includes a treasure trove of amateur radio tools:

• AX.25 and APRS: ax25-tools, direwolf, xastir, aprx
• Digital Modes: flrig, fldigi, wsjtx, js8call, qsstv
• Logging and Contesting: tlf, xlog, cqrlog
• Packet Radio and Winlink: pat, linpac, soundmodem
• Satellite Tracking: gpredict

No need to compile from source — just install with apt.

2. Runs on Low-Power Devices

Debian is lightweight and can run on Raspberry Pi, Odroid, or old laptops — perfect for portable stations, field days, and emergency communications.

3. Custom Automation and Gateways

You can build your own:

• APRS iGate or Digipeater
• LoRa gateways
• Remote HF control stations
• Telemetry collection systems

With scripting and cron jobs, you can automate nearly everything.

4. Stable Uptime for Remote Stations

Need a node to run unattended in a rural area? Debian’s reputation for rock-solid uptime is exactly what hams need for off-grid repeaters, gateways, or remote logging setups.

5. Hackable and Modular

Debian doesn’t get in your way. You can build exactly the shack system you want — and even write your own software, drivers, or tools using Python, Bash, or C.

Conclusion: Why Debian Should Be Your OS of Choice

Whether you’re a sysadmin, hobbyist, student, ham radio operator, or casual Linux user, Debian has something for you.

• It’s ethically grounded, built by a global community, and entirely free.
• It powers desktops, laptops, servers, cloud platforms, and IoT devices with equal confidence.
• It respects your freedom, your time, and your intelligence.
• And for the amateur radio community, it is the perfect companion in the shack.

If you haven’t tried Debian yet, now’s the time. Download the ISO, write it to a USB drive, and join the movement that’s been quietly powering the internet, science, and innovation for over 30 years.

Debian isn’t just a Linux distro. It’s the soul of free software.

The post The Story of Debian: From Hacker Roots to Global Impact appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

Software-defined radio (SDR) has transformed how we interact with radio signals, and SDRBerry aims to push this transformation further. SDRBerry is an ongoing project designed to integrate an SDR transceiver with a Raspberry Pi, leveraging the power of LVGL v8 for a modern GUI experience. While still in development, this project offers a unique learning opportunity in C++ programming, Liquid DSP, and GUI design.

Project Overview

SDRBerry is built with the goal of supporting various SDR devices, including:

• Adalm Pluto SDR
• Radioberry
• RTL-SDR
• SDRPlay
• Other SDR receivers via SoapySDR

The system also aims to integrate optical encoders, I2C/serial-controlled bandpass filters, and an ESP32-based CAT controller for additional hardware control.

Installation Guide

To install SDRBerry, follow these steps:

1. Set up Raspberry Pi OS (64-bit Bullseye) in CLI mode.
2. Use Raspberry Pi Imager to create a bootable SD card or USB stick (USB storage is preferred for longevity).
3. Configure Wi-Fi and enable I2C using raspi-config.
4. Compile the software using VisualGDB, CMake, GCC, and GFortran.
5. Enable remote control with framebuffer VNC using framebuffer-vncserver.

A full installation guide is available in install_guide.txt, and an installation script (install.sh) automates the process.

Hardware Requirements

• Raspberry Pi 4 Model B
• 5-inch or 7-inch 800×480 touchscreen (DSI connector recommended)
• USB storage device (e.g., Samsung Fit Plus 32GB or larger)
• Generic USB audio adapter

Features and Development Progress

Completed Features:

Adalm Pluto, RTL-SDR, SDRPlay, Radioberry, and HackRF support
FM broadband and narrowband reception
SSB transmission and reception
USB CAT interface support (e.g., ESP32 as a CAT controller)
I2C filter support with PCF8574
Noise reduction (ported from DD4WH’s implementation)
Morse code decoder
FT8 transmission and reception
Web-based remote control via Vue.js 3 and PrimeVue UI (experimental)

Upcoming Features:

• MIDI controller support
• Direct optical encoder support via GPIO
• Network and Wi-Fi setup screen
• Additional noise reduction algorithms (e.g., LMS filtering)
• Codec2 implementation for FreeDV digital voice

Installation of Dependencies

SDRBerry relies on several open-source libraries, including:

• Liquid-DSP (Joseph D. Gaeddert)
• Alsa Audio
• SoapySDR and SoapyPlutoSDR
• FFTW (Fast Fourier Transform)
• CivetWeb (embedded web server)
• nlohmann-json (JSON library for C++)

To install and compile the software, use:

wget https://raw.githubusercontent.com/paulh002/sdrberry/master/install/install.sh
chmod +x install.sh
./install.sh HFB DSI

For Raspberry Pi Touch 2 with Radioberry:

./install.sh RDB T2

Running SDRBerry

To start SDRBerry in user mode or root mode (depending on the SDR device used):

sudo sdrberry > sdrberry.log 2>&1

Mouse support is included, with optimized responsiveness via usbhid.mousepoll=2 in cmdline.txt.

Web-Based Control

SDRBerry introduces an experimental web-based remote control on port 8081. The interface, built using Vue.js 3 and PrimeVue UI, allows users to control SDRBerry remotely. The source code will be available in a separate repository.

To access the web interface:

http://raspberry_pi_ip:8081

Conclusion

SDRBerry is an exciting open-source SDR project that integrates Raspberry Pi, LVGL GUI, and SDR technologies. While still in active development, the project offers a strong foundation for experimenting with software-defined radio on a compact and affordable platform.

For more details and the latest updates, visit the SDRBerry GitHub repository:
https://github.com/paulh002/sdrberry

The post Exploring SDRBerry: A Raspberry Pi-Based SDR Transceiver with LVGL GUI appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

Are you looking for the ultimate digital radio cross patch to enhance your amateur radio experience? The Nexus DR-X, also known as DigiLink, is the Swiss Army Knife of digital radio connections. Whether you’re running Packet Radio with Direwolf, decoding signals with WSJT-X, or experimenting with Fldigi, the DR-X provides a seamless connection between your Raspberry Pi and nearly any transceiver.

Seamless Connectivity

The Nexus DR-X offers multiple connection options, making it incredibly versatile for different setups. With two audio jacks for TX and RX audio and four connection types, you can easily integrate the DR-X with a wide range of radios:

• RJ-45 with a 16-pin jumper header – Compatible with popular sound card interfaces.
• TRRS jack – Connects with off-the-shelf cables for radios supporting mic, speaker, and PTT headsets.
• Two 6-pin Mini DIN connectors – Ideal for VHF/UHF and HF radios.

This flexibility ensures that no matter your setup, the DR-X has you covered.

Powerful and Easy to Use

The DR-X kit includes a fully assembled DC-DC buck converter, which takes 7-38V input and delivers a stable 5V output. This means you can power your entire setup, including the Raspberry Pi, sound card, and DR-X, with a single power source. The board also provides 5V and 3.3V output pins, giving you even more options for expansion.

To keep your system running accurately even when offline, the kit includes an RTC module, ensuring that your Raspberry Pi maintains accurate time without an internet connection.

Run Two Radios Simultaneously

One of the standout features of the Nexus DR-X is its ability to support two radios at once. With the provided Buster Raspberry Pi image, you can operate multiple digital modes simultaneously. Imagine running FT-8 on HF while simultaneously using FSQ on VHF, or running Direwolf for APRS while decoding MT-63 on another band. The possibilities are endless!

Perfect for Clubs and Group Builds

Looking for a fantastic project for your amateur radio club? The DR-X kit is designed for group builds, making it an excellent choice for club activities. When ordering five or more kits, you receive an extra contingency kit for spare parts. If any components are misplaced during assembly, you can use the extra parts, and the manufacturer will replace them (just cover the shipping). This ensures that your club ends up with an extra unit as a bonus!

Affordable and Accessible

The Nexus DR-X kit is priced at just $49, including shipping within the U.S. If you prefer to source your own components, you can purchase the PCB alone for $14. Bulk orders are also available upon request.

Due to high demand, all units in the current batch have been reserved. Secure your spot for the next batch by placing a reservation today!

Final Thoughts

If you’re a digital radio enthusiast looking for a reliable, flexible, and powerful cross patch for your setup, the Nexus DR-X is a game-changer. With its extensive connectivity options, dual-radio capability, and easy-to-use Raspberry Pi integration, it’s the perfect tool to take your amateur radio operations to the next level.

Visit https://wb7fhc.com/nexus-dr-x.html

The post Unlock the Power of Digital Radio with the Nexus DR-X (DigiLink) appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

What is DragonOS?

DragonOS is a specialized Linux distribution designed for SDR enthusiasts, built on Lubuntu and packed with pre-installed open-source SDR software. Developed by Cema Xecuter, DragonOS aims to be for SDR what Kali Linux is for penetration testing—a comprehensive, plug-and-play environment that eliminates the hassle of setting up and configuring software from scratch.

With DragonOS, you no longer have to struggle with software dependencies, installation conflicts, or configuration headaches. Just boot it up, and you’re ready to explore the airwaves!

Why is DragonOS a Game-Changer for Amateur Radio Operators?

Amateur radio, also known as ham radio, has long been a playground for innovation. From emergency communications to satellite operations and digital modes, amateur radio operators are always at the cutting edge of wireless experimentation. DragonOS simplifies access to powerful SDR tools, allowing hams to:

• Monitor and Decode Signals – DragonOS supports tools like GQRX, SDR++, and CubicSDR, making it easy to listen to and analyze radio signals across various bands.
• Operate Digital Modes – With applications like WSJT-X, FLDigi, and Direwolf, you can engage in weak-signal communication, packet radio, and APRS (Automatic Packet Reporting System) right out of the box.
• Track and Communicate with Satellites – Use GPredict and SatNOGS to track amateur satellites and receive telemetry data.
• Experiment with RF Security – Tools such as GNU Radio, RTL_433, and HackRF utilities allow you to analyze and experiment with various wireless protocols.
• Set Up an APRS iGate or Repeater – With Direwolf and other tools, you can configure your system to receive and relay APRS packets to the global APRS-IS network.
• Decode Weather Satellites – With software like SatDump and WXtoIMG, you can receive real-time images from NOAA and Meteor satellites.

Supported SDR Hardware

DragonOS comes with built-in support for a variety of SDR devices, ensuring seamless compatibility with:

• RTL-SDR (one of the most affordable SDR receivers)
• HackRF One
• LimeSDR
• BladeRF
• Ettus USRP
• SDRPlay
• PlutoSDR
• Yardstick One
• Ubertooth
• And more!

Versatility and Ease of Use

DragonOS is designed to be flexible and user-friendly. You can run it as:

• A Live Bootable OS – Test it without installing anything.
• A Dual-Boot System – Install alongside Windows, macOS, or another Linux distribution.
• A Virtual Machine – Run it in VirtualBox or VMware for testing and development.

The pre-installed SDR tools are organized for convenience, so users of all experience levels can quickly get started. Whether you’re setting up a field station, testing antennas, or analyzing signals from the comfort of your shack, DragonOS makes it effortless.

Getting Started with DragonOS

Ready to dive into the world of SDR? Download DragonOS and follow the setup instructions at Cema Xecuter’s official website. The active community and ongoing development ensure that DragonOS remains cutting-edge, making it the go-to platform for SDR enthusiasts worldwide.

Embrace the future of radio with DragonOS—where software meets spectrum!

The post Unleashing the Power of Software Defined Radio with DragonOS appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

What is Mobian?

Mobian is a project that aims to bring Debian to mobile devices while minimizing its specific customizations by upstreaming changes to the original Debian project. The project is maintained by two teams:

1. The Mobian Team – Responsible for maintaining downstream packages and handling image generation and distribution.
2. The DebianOnMobile Team – Maintains packages that are already part of the Debian archive.

With Mobian, users can install a full Debian-based Linux operating system on their mobile devices, enabling them to use traditional Linux tools on the go. More information about Mobian can be found on the official website: Mobian Project.

Installing Mobian

Mobian supports various mobile devices, with installation instructions available on the official Mobian Supported Devices page. Users can either:

• Build Mobian images locally following the mobian-recipes documentation.
• Download official Mobian images from Mobian Project.

For security-conscious users, Mobian images come with signature verification options to ensure integrity.

Why Mobian is Ideal for Amateur Radio Operators

Amateur radio operators are always on the lookout for efficient and flexible solutions to enhance their portable radio communication setups. Here are some key reasons why Mobian is a great fit:

1. Full Linux Environment on Mobile Devices

With Mobian, radio enthusiasts can leverage the power of Debian’s vast repository of open-source tools, including:

• Xastir – An APRS (Automatic Packet Reporting System) client.
• Fldigi – A software modem for digital modes like PSK31, RTTY, and more.
• WSJT-X – For weak-signal communication using modes like FT8 and WSPR.
• GNU Radio – For SDR (Software-Defined Radio) applications.

2. Software-Defined Radio (SDR) Integration

Mobian enables seamless integration with SDR tools like RTL-SDR, HackRF, and LimeSDR, allowing hams to experiment with digital signal processing, spectrum monitoring, and remote radio control directly from their mobile devices.

3. Portable APRS and GPS Tracking

Using Mobian on a mobile device equipped with GPS, operators can:

• Run APRS software to report their location over RF or the internet.
• Use GPS-based logging software for SOTA (Summits on the Air) and POTA (Parks on the Air) activities.
• Track other amateur radio stations using APRS maps.

4. Customizable and Open-Source

Unlike proprietary mobile operating systems, Mobian provides full control over software, privacy, and system configurations. Hams can customize their setups for:

• Emergency communication (EmComm) applications.
• Mesh networking using protocols like AREDN and Meshtastic.
• Remote transceiver control via SSH or web-based interfaces.

5. Secure and Privacy-Focused

Many amateur radio operators value privacy. Mobian, being Debian-based, prioritizes security and transparency, making it a great alternative to proprietary mobile OS platforms that collect user data.

Expanding the Possibilities with Mobian

Beyond amateur radio applications, Mobian serves as a versatile mobile platform for general-purpose computing, hacking, and privacy-focused mobile usage. Some additional possibilities include:

• Running packet radio applications for digital communications.
• Using VoIP and SIP clients for secure voice communications.
• Experimenting with LoRa and Meshtastic networks for long-range data exchange.
• Implementing automation and remote control via MQTT and other IoT protocols.

Mobian users can keep up with the latest developments, features, and community discussions by following the Mobian Blog.

Challenges and Considerations

While Mobian is an excellent project for amateur radio, users should be aware of some challenges:

• Limited device support – Not all smartphones can run Mobian, so users must check compatibility.
• Battery life – Running a full Linux system on mobile hardware may drain batteries faster than optimized mobile OSes.
• Hardware access – Some mobile hardware components may not have full driver support.

Mobian represents a powerful shift in mobile computing, bringing the flexibility of Debian to handheld devices. For amateur radio enthusiasts, this opens up exciting possibilities for portable APRS stations, SDR experimentation, and on-the-go digital communication. With continued development and community support, Mobian has the potential to become a staple in the amateur radio toolkit.

For those interested in trying Mobian, visit the Mobian Wiki and join discussions on Matrix, IRC, or Telegram to connect with fellow users and developers.

Are you using Mobian for amateur radio? Share your experiences in the comments below!

The post Mobian: Bringing Debian to Mobile Devices and Its Benefits for Amateur Radio appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.