If you’ve ever wanted to explore the radio spectrum from anywhere in the world, OpenWebRX+ offers a modern and accessible way to do just that — right from your web browser.

Built on top of the original OpenWebRX project, OpenWebRX+ is a community-driven fork that adds powerful features and support for a broader range of use cases, including amateur radio, shortwave listening, digital mode decoding, and even aviation or maritime monitoring.

What is OpenWebRX+?

OpenWebRX+ is a web-based software-defined radio (SDR) receiver platform. It lets multiple users access and listen to live SDR streams through a simple, responsive web interface. No complicated setup is needed for the listener — just open your browser and tune in.

Whether you’re a licensed ham radio operator, a shortwave enthusiast, or just curious about what’s on the airwaves, OpenWebRX+ makes radio accessible and enjoyable.

Key Features

• Multi-user support with efficient bandwidth sharing
• Real-time waterfall display with fast refresh and zoom
• AM, FM, SSB, CW, and digital modes (e.g., FT8, DMR, D-STAR, POCSAG)
• TETRA decoder
• Automatic decoder modules for popular digital signals
• Web-based configuration interface
• Mobile-friendly design

Thanks to its modular architecture, OpenWebRX+ continues to grow and integrate new features that help hobbyists, educators, and researchers monitor and explore radio signals more effectively.

Great for:

• Amateur radio operators who want to set up a remote receiver
• Radio clubs looking to make their SDR available to the public
• Developers and researchers working with digital radio protocols
• Listeners who enjoy discovering international broadcasts or local emergency services (where legal)

Easy to Set Up

You can run OpenWebRX+ on various hardware, including:

• Raspberry Pi (for light to moderate use)
• Intel/AMD Linux servers
• SDRs like RTL-SDR, Airspy, HackRF, LimeSDR, and others

The project is open-source and available on GitHub at:
https://github.com/luarvique/openwebrx

Full installation instructions, support, and community discussions are actively maintained.

Join the Global Listening Network

There’s something magical about tuning into signals from halfway across the world. Whether you’re decoding digital messages, monitoring weather balloons, or just enjoying the hiss of static, OpenWebRX+ connects you to the heartbeat of the RF spectrum.

It’s time to put your SDR to good use.

The post Explore the Radio Spectrum with OpenWebRX+ appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

And Why It’s More Than Just Playing with Walkie-Talkies

If you’ve ever seen someone with a handheld radio and thought, “Oh, just another walkie-talkie user,” you’re not alone. But there’s a whole world behind that antenna — and it’s called amateur radio, or more affectionately, ham radio.

And no, it’s not just for old guys tinkering in their basements. It’s for anyone who loves learning, experimenting, helping their community, and yes, talking to people around the world using nothing but radio waves and know-how.

Let’s clear the air.

So What Is Amateur Radio?

Amateur radio is a licensed, non-commercial radio service that allows people to communicate across town, across countries, or even with astronauts on the International Space Station — all without the internet or cell networks.

It’s defined by international and national laws as a service for:

“Self-training, intercommunication, and technical investigations carried out by duly authorized persons interested in radio technique solely with a personal aim and without pecuniary interest.” – ITU Radio Regulations

In short, it’s about learning, experimenting, helping, and connecting — not making money.

Why Do People Confuse It with Walkie-Talkies?

Because on the surface, it looks the same.

Someone holding a handheld radio? Must be a walkie-talkie, right?

Not always. Here’s where the confusion happens:

Feature	Amateur Radio	Walkie-Talkie Users (e.g. FRS, PMR446)
License required?	Yes (with exam)	No
Power limits	Up to 1000W (in some bands)	Low (usually <2W)
Frequencies	Dedicated amateur bands	Shared public frequencies
Purpose	Education, emergency, experimentation	Casual use
Can you build your gear?	Yes	No
International communication?	Yes	No
Part of emergency services?	Often, yes	No

Walkie-talkies are great tools — simple and effective — but they’re like toy trains compared to real locomotives when it comes to what ham radio can do.

Why Is It Called “Amateur” Radio?

This is where it gets interesting. People hear the word “amateur” and think unskilled or just a beginner.

That’s wrong.

The word amateur comes from the Latin amātor, which means “lover” — as in, someone who does something purely for the love of it. It comes from amāre, meaning to love.

So when we say “amateur radio,” we’re not talking about skill level. We’re talking about intent. It means:

You’re in it because you love it — not because you’re getting paid.

And many hams are far from unskilled — they’re engineers, inventors, emergency responders, scientists, astronauts. Some of the world’s most impressive communication innovations came from amateurs.

What Makes a Ham Radio Operator?

A real amateur radio operator:

• Passes a license exam (that covers electronics, laws, and best practices)
• Operates on regulated frequencies
• Often builds or modifies equipment
• Can communicate over long distances, sometimes around the globe
• Participates in emergency communications, disaster response, or public service events
• Uses advanced modes like digital, Morse code, satellites, or even bouncing signals off the moon

It’s not just about chatting — it’s about science, community, and curiosity.

Why It Still Matters Today

In an age of smartphones, the internet, and satellite, everything — why bother?

Because when infrastructure fails (like during natural disasters), amateur radio still works.

Because it teaches real-world electronics and physics.

Because it brings people together, from villages to space stations.

And because it’s just plain fun.

Final Thoughts

Amateur radio isn’t about being “less than professional.” It’s about loving the craft, giving back to the community, and exploring the airwaves with curiosity and purpose.

Apakah Itu Radio Amatur?

Dan Kenapa Ia Bukan Sekadar “Pengguna Walkie-Talkie”

Pernah tengok seseorang pegang walkie talkie dan anda mesti terfikir, “Oh, mesti dia guna walkie-talkie je tu…”?

Ramai orang keliru antara radio amatur dan walkie-talkie. Tapi hakikatnya, dunia radio amatur ini jauh lebih luas, lebih teknikal, dan lebih bermakna — bukan sekadar sembang atau alat mainan.

Definisi Radio Amatur

Radio amatur, atau lebih dikenali sebagai ham radio, ialah satu perkhidmatan komunikasi berlesen dan tidak komersial yang membolehkan individu berkomunikasi melalui gelombang radio atas tujuan:

• Pembelajaran dan latihan kendiri
• Eksperimen teknikal
• Komunikasi semasa kecemasan

Mengikut takrif rasmi oleh ITU (Badan Telekomunikasi Dunia):

“Perkhidmatan komunikasi yang dikendalikan oleh individu yang diberi kebenaran, untuk tujuan peribadi tanpa keuntungan, dengan minat dalam teknik radio.”

Jadi, radio amatur bukan sekadar hobi — ia melibatkan ilmu, etika, dan kemahiran sebenar dalam dunia komunikasi.

Kenapa Orang Selalu Keliru dengan Walkie-Talkie?

Sebab dari luar, nampak lebih kurang sama: orang pegang radio dan bercakap. Tapi sebenarnya ada beza.

Ciri	Radio Amatur	Walkie-Talkie Biasa (PMR446, FRS)
Lesen diperlukan?	Ya	Tidak
Had kuasa pancaran	Tinggi (hingga 1000W di sesetengah band)	Rendah (0.5 – 2W)
Frekuensi	Jalur khas untuk radio amatur	Jalur awam, kongsi ramai
Tujuan	Pendidikan, eksperimen, kecemasan	Sembang ringkas, rekreasi
Bina peralatan sendiri?	Ya	Tidak
Komunikasi antarabangsa	Ya	Tidak

Walkie-talkie sesuai untuk kegunaan kasual — di pusat beli-belah, konvoi kereta, event. Tapi radio amatur ialah komunikasi sebenar, dengan rangkaian global dan peranan dalam bencana.

Kenapa Dipanggil “Amatur”?

Ramai sangka “amatur” bermaksud “tak mahir”.

Tapi sebenarnya perkataan “amatur” berasal dari bahasa Latin “amātor”, yang bermaksud “pencinta” — orang yang buat sesuatu kerana minat dan kecintaan, bukan sebab duit.

Jadi “radio amatur” bermaksud:

“Komunikasi radio yang dilakukan oleh individu yang cintakan bidang ini, tanpa keuntungan.”

Ramai operator amatur adalah jurutera, saintis, juruteknik, dan juga sukarelawan yang menyumbang dalam bencana. Malah, angkasawan di ISS pun guna frekuensi radio amatur untuk bercakap dengan pelajar sekolah.

Apa Yang Menjadikan Seorang “Ham”?

Seorang operator radio amatur yang sah:

• Lulus ujian lesen (teori elektronik, peraturan, dan amali)
• Bereksperimen pada frekuensi dengan betul dan beretika
• Perhubungan seluruh dunia, menggunakan HF, VHF, satelit, atau isyarat pantulan bulan dan lain-lain
• Menyumbang dalam komunikasi semasa kecemasan dan bencana
• Penggunaan mod digital, Morse code, atau teknik-teknik lain

Bukan sekadar “sembang” — ini adalah ilmu, sains, dan perkhidmatan kepada masyarakat.

Masih Relevan pada Hari Ini?

Sangat relevan. Dalam dunia penuh berteknologi, radio amatur:

• Tetap berfungsi walaupun tiada internet atau talian
• Jadi penyelamat semasa bencana alam atau kecemasan
• Mengajar kita tentang ilmu elektronik, antena, dan komunikasi sebenar
• Merapatkan hubungan dengan komuniti global — tanpa sebarang kos langganan

Kesimpulan

Radio amatur bukan perkara main-main. Ia adalah satu dunia yang penuh dengan ilmu, cabaran, dan kepuasan. Ianya untuk mereka yang minat, ingin membantu orang lain, dan pembelajaran sepanjang hayat.

The post What is Amateur Radio? Apakah Itu Radio Amatur? appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

Lightning-Fast Scanning

NicSure’s custom firmware delivers scanning speeds up to 200× faster than stock firmware, a feature consistently praised by users. Whether you’re monitoring GMRS, marine, aviation, rail, or emergency frequencies, you’ll track more activity with sharper, near-instant scanning.

Enhanced Interface & Functionality

• Upgraded display and layout – Redesigned menus make navigation smoother and more intuitive .
• Bluetooth support & on‑screen waterfall – Many versions include Bluetooth controls and a real-time spectrum waterfall for advanced RF visualization .
• AM AGC control – Thanks to version 2.52.19, users can now benefit from better AM signal stability.

Easy to Install – Quick Setup Guide

The included video offers a clear walkthrough:

1. Download the specific nicFW package.
2. Load using USB or programmer.
3. Install & enjoy the benefits—super-fast scanning, refined UI, and rubric‑level control.

It’s accessible, reliable, and widely documented through community tutorials.

Community Recognition

Redditor feedback nails it:

“NicSure… turns the TD‑H3 into a freaking powerhouse. Better display, granular configuration, fast scanning, even an on‑screen waterfall spectrograph.” – reddit

Amateur radio forums also emphasize nicFW’s polished user experience over stock firmware

About the Developer

Marcus Dudley, alias nicsure, develops each nicFW build from the ground up—no forks, no licensing issues. With over 80 posts on his Patreon, he supports devices like TD‑H3, RT‑890, RT‑900, and is actively working on RT‑880. He collaborates with manufacturers, securing GPIO insights to push firmware boundaries .

Who Should Install nicFW?

You’ll love it if you want:

• Blazing-fast scanning and frequency hopping
• A modernized interface and better control features
• Advanced tools like Bluetooth support and waterfall display
• A firmware built by an open-minded developer who listens to user feedback

How to Get Started

1. Visit nicsure’s Patreon page and choose your support tier.
2. Unlock the appropriate firmware release (e.g., nicFW H3 v2.52.19).
3. Download installer tools, read the detailed guide, and apply firmware via USB/programmer.
4. Enjoy the upgraded experience, and join the Patreon community for updates and support.

Final Thoughts

NicSure Firmware transforms your HandyTalkie into a responsive, feature-rich hub—whether you’re scanning emergency FM stations, aviation chatter, or amateur bands. With lightning-fast scanning, polished UX, and real-time spectrum monitoring, it’s like upgrading your radio’s brain and display in one go.

If you’re ready for a smarter, richer radio experience, head over to NicSure’s Patreon and unlock the full potential of your TIDRADIO HT today!

Visit https://www.patreon.com/nicsure

Buy TIDRADIO TD H3 https://tidradio.com/collections/hot/products/h3-ham-radio?ref=Zg-pWPt6ZLurOa

The post NicSure Firmware For HandyTalkie appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

Users of the VR-N76 VHF/UHF radio may be interested to know that a new beta firmware update has been released, adding support for Smart Beaconing and Mic-E encoding—two major features for APRS (Automatic Packet Reporting System) users.

This update brings smarter location reporting capabilities, aimed at reducing unnecessary transmissions and improving overall efficiency during mobile or portable use.

What’s New in the Beta?

The firmware adds Smart Beaconing, which adjusts position reporting based on movement and activity, rather than just fixed intervals. The system will now trigger location reports under the following conditions:

• Heading change exceeds 30 degrees
• Speed changes by more than 30 km/h and remains changed for over 2 minutes
• It has been more than 30 minutes since the last position report
  And the standard “Share Location” interval has passed

In addition, Mic-E encoding is now supported—allowing for more compact APRS transmissions using fewer bytes.

Important Notes for Testers

This is a beta release, which means:

• Some bugs or performance issues may still exist
• Updates are only available to a limited number of testers
• If the firmware cannot be updated using the steps below, it likely means the beta test is full

Users who are unfamiliar with Smart Beaconing or prefer a more stable experience are advised to wait for the official public release.

How to Install the Beta Firmware

To access the beta firmware on a VR-N76:

1. Open the radio’s device settings
2. Tap on the firmware version number
3. When “NO updates are Available” appears, tap that message at least 10 times rapidly
4. A hidden firmware update screen will appear. Follow the on-screen instructions to download and install the update

The beta firmware version will be shown as 0.8.8. As long as this version is installed and the Smart Beacon menu appears, the update has succeeded.

Where to Get the VR-N76

The VR-N76 is available for purchase through the official VERO Telecom website. The radio has gained popularity for its integration with smartphones, APRS support, and over-the-air updates.

About VERO Telecom

VERO Telecom (VERO GLOBAL COMMUNICATION CO.) is based in Quanzhou, Fujian, China, and manufactures a line of radios, including the VR-N7500 and VR-N76, aimed at both amateur and commercial users.

The post VR-N76 Beta Firmware Adds Smart Beacon & Mic-E Support appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

If you’re curious about what’s happening in the skies above you, listening to airband communications can be both educational and fascinating. With a cheap RTL-SDR dongle and FreeBSD, you can tune into ATC (Air Traffic Control) and pilot conversations live.

In this guide, we will walk you through setting up OpenWebRX on a FreeBSD system, using an RTL-SDR USB dongle

What You’ll Need

• A FreeBSD 13.x or 14.x system
• RTL-SDR dongle (with RTL2832U chipset)
• Airband antenna (or any VHF-capable antenna)
• Internet access (for installing packages)
• Basic CLI skills

Step 1: Install Required Packages

Install essential packages for RTL-SDR, Python, and audio support:

pkg install rtl-sdr git python3 py39-pip ffmpeg sox cmake gmake libusb

Step 2: Plug in the RTL-SDR and Test It

Insert the dongle into a USB port and run:

rtl_test

You should see something like:

Found 1 device(s):
  0: Realtek, RTL2838UHIDIR, SN: 00000001
...

If you see USB permission errors, add yourself to the operator group:

pw groupmod operator -m yourusername

Then log out and back in.

Enable the cuse kernel module:

kldload cuse
echo 'cuse_load="YES"' >> /boot/loader.conf

Step 3: Get OpenWebRX

Clone OpenWebRX from GitHub:

git clone https://github.com/simonyiszk/openwebrx.git
cd openwebrx

Install Python dependencies:

pip install -r requirements.txt

Step 4: Configure OpenWebRX for Airband

Copy the sample config:

cp openwebrx.cfg.sample openwebrx.cfg

Open the config file:

ee openwebrx.cfg

Adjust it for airband listening:

receiver = {
    "device": "rtl_sdr",
    "center_freq": 125000000,      # Center frequency: 125 MHz
    "sample_rate": 2400000,
    "gain": "auto",
    "ppm": 0,
}

Airband frequencies are from 118.000 MHz to 136.975 MHz, using AM mode. You can tune to any frequency within that range from the OpenWebRX web interface once it’s running.

Optionally, set your receiver location and name for reference:

location = {
    "lat": 3.1390,
    "lon": 101.6869,
    "name": "Kuala Lumpur",
}

Step 5: Start Listening

Launch OpenWebRX:

./openwebrx.py

Open your browser and go to:

http://localhost:8073

You’ll see a real-time spectrum waterfall and can start tuning across the airband using the interface.

To listen to Kuala Lumpur International Airport (WMKK), try around 119.45 MHz, 121.70 MHz, or 124.00 MHz for Tower, Ground, or Approach frequencies (depending on your location and reception quality).

Optional: Allow Access Over Network

If using PF (Packet Filter), open TCP port 8073:

pass in proto tcp from any to any port 8073

Reload PF rules:

pfctl -f /etc/pf.conf

Now you (or friends) can access it via http://yourip:8073.

Tips for Better Reception

• Use an antenna tuned for VHF (118–137 MHz). Discone or airband-specific whip antennas work well.
• Mount your antenna as high and unobstructed as possible.
• Adjust gain in config (gain: 40 or gain: "auto").
• Tune PPM if needed (based on rtl_test output) for better accuracy.

Why This Is Awesome

• You can monitor air traffic around KLIA or Subang Airport live.
• Educational for student pilots, spotters, and aviation fans.
• Works great with low-cost hardware and FreeBSD’s performance.

Final Thoughts

With just an RTL-SDR dongle and FreeBSD, you can enjoy real-time airband monitoring using OpenWebRX. This setup gives you a browser-based interface to scan, visualize, and decode live air traffic—right from your desk, anywhere in the world.

The post Listen to Air Traffic on FreeBSD Using RTL-SDR and OpenWebRX appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

Are you looking to upgrade your ham radio contesting setup from single-operator to multi-operator? Or perhaps you’re already running a multi-op station but want to streamline your operations? N1MM Logger+ offers powerful networking capabilities that can take your contest operation to the next level.

Understanding N1MM’s Networking Approach

N1MM Logger+ uses a distributed data approach for multi-computer networking. Each computer maintains its own complete copy of all QSOs, with the software synchronizing data across the network. This approach is ideal for high-RF environments where a single centralized database might be less reliable.

The system identifies the owner of each QSO by the computer’s NetBios name. When synchronizing, QSOs on each computer are replaced with QSOs from their original computer.

CAUTION: Never replace a computer in the network while keeping the same NetBios name during a contest. This could result in losing ALL QSOs from the original computer!

Key Networking Features in N1MM Logger+

N1MM Logger+ significantly improves on previous versions with these networking capabilities:

• Automatic discovery – No need to manually enter computer names and IP addresses on a typical LAN
• Version compatibility checks – Warnings appear if there are discrepancies in contest or multi-op class settings
• Network Status Window – A dedicated interface for all network-related functions
• Point-to-point or broadcast messaging – Easy communication between operators
• Automatic time synchronization – Keeps all computers in perfect sync (if non-master stations run as Administrator)
• Frequency passing – Display pass frequencies at all stations
• DX spot distribution – Master station distributes spots to all connected computers
• Error trapping and diagnostics – Extensive tools to identify and fix connection issues
• Auto resync – Automatically synchronizes when a station comes back online

Setting Up Your Multi-Op Network

A proper setup is crucial for a smooth multi-op contesting experience. Here’s a step-by-step guide:

1. Verify all computers are running and Windows networking is functional (having a “hot spare” is highly recommended)
2. Install the same version of N1MM Logger+ on all computers
3. Run N1MM Logger+ as Administrator on all machines except the designated “master”
4. Create a new empty database on each machine
5. Start a new log for the contest on each machine, ensuring contest settings and categories match
6. Configure external interfaces at each operating position (radio control, CW, PTT, etc.)
7. Set up Function Key Messages on each computer
8. Update Master.SCP and wl_cty.dat files on all computers
9. Turn off Windows Sounds for SSB contests to prevent transmitting odd noises
10. Enable Networked Computer mode in the Network Status Window on each machine

After initial setup, you should see all computers on the network in the Network Status Window. Red warning flags may appear briefly but should disappear when the network connections are established. If they persist, check for mismatches in N1MM versions, contest settings, or operator categories.

Essential Multi-Op Features

In-Station Messaging

The Talk function allows operators to communicate without shouting across the room:

• Use Ctrl+E or select Window > Network Status > Actions > Talk
• Messages can be sent to all stations or just one specific station
• After sending a message, focus automatically returns to the Entry Window

Station Passing

Passing stations between bands is crucial for optimizing multiplier counts:

1. Set your pass frequency (automatically set in Run mode, or manually set in S&P mode)
2. To pass a station:
   • Right-click on the target band’s Band Button in the Entry window
   • Or right-click on the station you want to pass to in the Network Status window
3. Use the {LASTPASSEDFREQ} macro in function keys to tell stations where to QSY

Partner Mode and Call Stacking

Partner mode allows multiple operators to listen on the run frequency and stack callsigns:

• Enabled automatically when networked computers are on the same frequency
• Stacked calls appear in the CallStack window above the Entry window
• Operators can use the {LOGTHENNEXT} or {LOGTHENPOP} macros to efficiently work through the stack

Special Multi-Op Setups

Distributed Multi-Ops

N1MM can be configured for stations operating outside your LAN to communicate over the internet. This is perfect for:

• Headquarters stations in the IARU contest
• Distributed special event stations

This can be accomplished through direct IP addressing or using a VPN (Virtual Private Network).

Voice Message Management

For phone contests with operator changes, create separate voice message sets for each operator:

1. Create separate subfolders for each operator in your wav files folder
2. Include the {OPERATOR} macro in your function key paths
3. Have each operator record their own set of messages

Remote Multi-Computer Operations with VPN

In today’s world, multi-op contesting doesn’t require all operators to be physically present at one location. With N1MM Logger+ and a properly configured VPN, you can create a distributed multi-op setup where operators can participate from different locations.

Setting Up a VPN for Remote Contesting

1. Choose a VPN Solution:
   • SoftEther VPN – Free, open-source VPN with good performance
   • Hamachi – User-friendly VPN service, good for small networks
   • OpenVPN – Robust, secure option for more advanced users
   • Commercial VPN services – Consider those optimized for low latency
2. Configure the VPN Server:
   • Install the VPN server software on a computer at your main station
   • Ensure the server has a static IP address or use a dynamic DNS service
   • Configure port forwarding on your router to allow VPN connections
3. Set Up Client Computers:
   • Install the VPN client software on all remote computers
   • Connect to the VPN server using provided credentials
   • Verify all computers can see each other on the network
4. Time Synchronization:
   • Implement accurate time synchronization across all computers
   • Consider using dedicated NTP software like Meinberg NTP client or Dimension 4
5. Testing:
   • Test the VPN connection thoroughly before the contest
   • Measure latency and ensure it’s acceptable for real-time operations
   • Run a mock contest to identify any issues

Best Practices for Remote Operations

• Backup Internet Connections: Have cellular data or alternative ISPs as backup
• Secure Connections: Use strong passwords and encryption for your VPN
• Dedicated Hardware: Consider dedicated computers for the VPN server and N1MM Logger+
• Communication Backups: Establish alternative communication methods (phone, separate chat software) in case of VPN failure
• Practice Sessions: Conduct full practice sessions with all operators before the contest

Benefits of Multi-Operator Contesting

Multi-operator contesting offers numerous advantages that can significantly enhance your contest experience and results:

Performance Benefits

1. Continuous Operation: Keep your station on the air 24/7 throughout the contest
2. Operator Specialization: Allow operators to focus on their strengths (running, S&P, specific modes)
3. Multiplier Hunting: Dedicate operators to finding and working multipliers
4. Band Coverage: Maintain presence on multiple bands simultaneously
5. Higher QSO Rates: Fresh operators typically maintain higher QSO rates than tired single operators

Skill Development

1. Knowledge Sharing: Less experienced operators learn from veterans
2. Real-time Mentoring: Immediate feedback on operating techniques
3. Strategy Development: Collaborative approach to contest strategy
4. Technical Skills: Exposure to advanced station setups and networking

Social Aspects

1. Team Building: Foster camaraderie among club members
2. Shared Experience: Create memorable shared experiences
3. Collaborative Achievement: Celebrate accomplishments as a team
4. Training Ground: Develop future contest operators in a supportive environment

Important: Know Your Contest Rules!

Before setting up any multi-operator contest station, it’s absolutely essential to thoroughly read and understand the specific rules for your contest:

• Verify Operator Categories: Ensure your setup complies with the specific multi-op category requirements
• Transmitter Limitations: Understand how many transmitters are allowed simultaneously
• Band Change Rules: Some contests have specific band change rules for multi-operator stations
• Power Limitations: Check if there are different power limits for multi-op categories
• Geographic Restrictions: Some contests have specific rules about operator locations (like IARU HQ stations)
• Operator Restrictions: Understand any limitations on who can operate during the contest
• Software Lockout Requirements: Determine if the contest requires specific lockout mechanisms

Remember: Contest rules can change from year to year. Always check the latest rules before each contest, even if you’ve participated before.

A Note on Software Lockouts

The software lockout features in N1MM (“Block my transmitter…” and “Stop my station from transmitting…”) have limitations:

• Subject to network latencies
• Cannot guarantee prevention of simultaneous transmitting
• May fail due to lost packets or network dropouts

For absolute protection against simultaneous transmissions, implement hardware lockout systems or strict procedural controls.

Final Preparation

Before the contest starts:

1. Have each operator type WIPELOG in the callsign field and press Enter to remove test QSOs
2. Set the starting operator’s callsign using Ctrl+O

By following these guidelines, you’ll be well-positioned to run a successful multi-operator contest station with N1MM Logger+. Good luck and 73!

Visit https://n1mmwp.hamdocs.com/manual-operating/multiple-computer-and-multiple-op-contesting/

The post Multi-Computer and Multi-Op Contesting with N1MM Logger+ appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

For ham radio operators who frequently work in portable settings, efficient logging solutions that work on lightweight hardware can be a game-changer. One creative operator has developed a Vim syntax plugin specifically for creating Fast Log Entry (FLE) compatible log files directly in the Vim text editor.

The Problem This Plugin Solves

Fast Log Entry is an excellent tool for quick contest and DXpedition logging, but it doesn’t run natively on Linux. The developer of this plugin wanted something that would:

Run directly in a console/terminal
Work on a lightweight Linux laptop with minimal resources
Allow for creation of FLE-compatible logs for later import
Provide syntax highlighting for error detection while logging

The Solution: A Vim Syntax Plugin

The plugin enhances Vim by adding syntax highlighting when editing FLE-format log files. This makes portable logging much easier for Linux users. Key features include:

• Call signs, RST reports, and QSO data are color-coded for quick identification
• Invalid entries are highlighted differently, making errors easier to spot
• The structured format of FLE is preserved, ensuring smooth import into FLE

How It Works

The workflow is simple:

1⃣ Log contacts in Vim using FLE syntax while operating portable
2⃣ Copy/paste the log into Fast Log Entry when back at the main station
3⃣ Use FLE’s built-in tools to convert the log to ADIF or other formats

Why This Approach Works Well

This approach offers several benefits:

Minimal Requirements – Works on any Linux system with Vim
Battery Efficiency – Terminal-based tools consume significantly less power
Reliability – Vim is stable and lightweight, perfect for field operations
Offline Capable – Works even in remote locations without internet access

For Those New to Fast Log Entry

Fast Log Entry is a highly efficient program for contest and expedition logging. It uses a clever shorthand format that speeds up logging and reduces errors. If you’re unfamiliar with FLE, check out WB3GCK’s excellent write-up on the subject (originally shared by W8EMV).

Visit https://rz01.org/vim-fle-syntax/

The post Vim Syntax Plugin for Fast Log Entry Log Files appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

For amateur radio operators, QRZ.com is an essential resource for looking up callsigns and obtaining detailed operator information. While the website provides an intuitive interface, sometimes a quick command-line query is more efficient—especially for Linux users who prefer the terminal.

That’s where qrz.sh comes in—a lightweight CLI tool that allows you to query QRZ.com directly from your terminal. This guide will walk you through installing, configuring, and using qrz.sh on your system.

What is qrz.sh?

qrz.sh is a shell script that interacts with the QRZ.com database via its XML API, allowing users to fetch callsign details quickly. However, to use it, you must have an XML subscription plan from QRZ.com.

Installation Guide

Follow these steps to install qrz.sh on your system.

Step 1: Download the Script

First, download the script archive from the official source:

wget https://example.com/qrz.sh.tar.gz  # Replace with the actual link

Extract the contents:

tar -xzf qrz.sh.tar.gz
cd qrz.sh

Step 2: Install Dependencies

Ensure curl is installed, as it is required for fetching data from QRZ.com:

sudo apt update && sudo apt install curl

Step 3: Move Files to the Correct Locations

Copy the configuration file to your home directory:

cp .qrz.conf ~/

Move the script to a directory in your system’s $PATH (e.g., /usr/local/bin):

sudo cp qrz.sh /usr/local/bin/

Make the script executable:

chmod u+x /usr/local/bin/qrz.sh

Configuration

Before using qrz.sh, you need to configure it with your QRZ.com credentials.

Edit the configuration file:

nano ~/.qrz.conf

Add the following lines, replacing with your actual QRZ.com credentials:

user=<your QRZ.com username>
password=<your QRZ.com password>

Save and exit (Ctrl + X, then Y, then Enter).

Important: This script requires your actual QRZ.com password, not your API key. If you’re concerned about security, ensure that .qrz.conf has the correct file permissions:

chmod 600 ~/.qrz.conf

How to Use qrz.sh

Once installed and configured, using qrz.sh is simple. Just type:

qrz.sh <callsign>

For example, to look up 9M2PJU:

qrz.sh 9M2PJU

If your credentials are correct and you have an active XML subscription, the script will return detailed information about the callsign directly in your terminal.

Final Thoughts

The qrz.sh tool is a great way to streamline callsign lookups, making it a valuable tool for amateur radio operators who prefer the command line. If you’re a Linux user and frequently query QRZ.com, this script can save you time and effort.

Give it a try, visit https://rz01.org/qrz-sh/

The post qrz.sh – A Simple Command-Line QRZ.com Query Tool appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

In the ever-evolving world of radio and communications, compact yet powerful gadgets always generate excitement. One device that has been catching attention is the Mini Spy Radio SI4732. This tiny but feature-packed receiver has been praised for its performance, versatility, and portability.

Unboxing & First Impressions

A recent YouTube video titled Mini Spy Radio SI4732 – My Best Gadget of 2025 showcases this intriguing device. Right out of the box, the Mini Spy Radio SI4732 impresses with its compact and lightweight design, making it an ideal companion for radio enthusiasts, travelers, and emergency preparedness kits.

The build quality appears solid despite its small size, and it comes with a small but efficient antenna. Despite its diminutive form factor, it delivers impressive reception across multiple bands.

Specifications

• Main Control: ESP-32-S3
• Reception Bands: HF, SW, MW, VHF
• Screen: 1.9 inch IPS, 170*320 resolution
• Charging Port: TYPE-C (No quick charging)
• Audio Jack: 3.5mm three-segment stereo
• Battery Capacity: 800mAh
• Body Size: 7.3 x 3.2 x 1.2 cm
• Body Weight: 54g

Features & Performance

One of the standout features of the Mini Spy Radio SI4732 is its wideband reception. It covers AM, FM, shortwave (SW), and single sideband (SSB) modes, making it a versatile tool for both casual listeners and serious radio operators. The SI4732 chip inside provides excellent signal processing, allowing for clear audio and good selectivity even in crowded bands.

Other key features include:

• Digital tuning and display – Ensures precise frequency selection.
• Rechargeable battery – Offers long-lasting operation.
• Built-in speaker and headphone jack – For flexible listening options.
• SSB support – Essential for amateur radio operators and shortwave listening enthusiasts.
• Compact design – Small enough to fit in your pocket or backpack.

The YouTube video demonstrates the radio’s ability to pick up distant stations with minimal interference. The SSB mode appears to work well for listening to ham radio conversations, maritime broadcasts, and other long-distance communications.

Why This Radio Stands Out

Many radio enthusiasts have tested various receivers over the years, but the Mini Spy Radio SI4732 stands out due to its combination of size, performance, and affordability. It’s perfect for emergency situations, outdoor adventures, and everyday use. Whether monitoring local broadcasts or exploring international signals, this little gadget delivers.

Final Thoughts

If you’re a radio enthusiast looking for a compact yet capable receiver, the Mini Spy Radio SI4732 is worth considering. It has gained popularity as one of the most talked-about gadgets of the year, and many users highly recommend it.

Buy here

Check out the full review on YouTube: Mini Spy Radio SI4732 – My Best Gadget of 2025 and let us know your thoughts! Have you used this radio before? Share your experiences in the comments below!

Stay tuned for more radio reviews and discoveries!

The post Mini Spy Radio SI4732: The Best Gadget of 2025? appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

What is Receiverbook?

Receiverbook is a centralized directory that provides a list of publicly accessible SDR receivers worldwide. It allows users to remotely tune in to various radio frequencies without needing specialized hardware at home. The platform serves as a valuable resource for anyone interested in radio, from casual listeners to serious radio experimenters.

Features and Usability

Receiverbook simplifies the process of finding and accessing remote SDRs by offering:

• Global Coverage – A wide range of SDR receivers from different locations worldwide.
• Categorized Listings – Organized by frequency range, receiver type, and geographical location.
• Direct Links – Easy access to various web-based SDRs, including KiwiSDR, OpenWebRX, and WebSDR.
• Search and Filter Options – Allows users to quickly locate receivers that fit their listening needs.

Why Shortwave Listeners and Radio Enthusiasts Should Use Receiverbook

For shortwave listeners, Receiverbook provides an incredible opportunity to explore global radio signals. Some key benefits include:

• Access to Distant Signals – Listen to shortwave broadcasts from different parts of the world, even if propagation conditions are unfavorable in your local area.
• Comparing Signal Strength – Check how signals from various broadcasters propagate across different regions.
• Discovering New Stations – Explore lesser-known radio stations that may not be accessible with a personal receiver.

How Amateur Radio Operators Can Benefit

Amateur radio operators (hams) can also take advantage of Receiverbook for several practical applications:

• Monitor Propagation Conditions – Use remote SDRs to evaluate band openings and propagation paths before making transmissions.
• Check Transmission Quality – Hams can listen to their own signals from different locations to assess modulation, power, and antenna effectiveness.
• DX Monitoring – Track distant amateur radio operators, contest stations, or beacons to improve DXing strategies.
• Experimentation – Test digital modes, receive weak signal communications, or even experiment with software-based decoding from remote locations.

Conclusion

Receiverbook is an invaluable tool for anyone passionate about radio. Whether you are a shortwave listener exploring distant broadcasts, a radio enthusiast experimenting with digital modes, or an amateur radio operator fine-tuning your setup, this directory opens the door to a vast world of remote listening possibilities. By leveraging the power of publicly accessible SDRs, you can expand your listening experience beyond the limitations of your own equipment and environment.

For those looking to enhance their radio journey, Receiverbook is a must-explore resource that connects listeners to the world of radio like never before.

Visit https://www.receiverbook.de/

The post Exploring Receiverbook: A Powerful Tool for Shortwave Listeners, Radio Enthusiasts, and Amateur Operators appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

Key Features

• 0.96″ OLED Display – Enjoy clear visuals of frequency bands, AGC settings, and more at a glance.
• Auto-Hold Settings – Retains your settings even after power failure, ensuring a seamless experience.
• Internal 3.6V 800mAh Lithium Battery – Provides stable and long-lasting power with USB recharging support.
• Superior Audio Output – Supports both 3.5mm earphones and built-in 8-ohm 1.5W speaker for excellent sound clarity.
• High-Quality Antenna Interface – Uses SMA interface, making it easy to upgrade or modify the setup.
• Extensive Band Coverage – Pre-configured with 22 commercial and ham radio bands, including FM, AM (MW & SW), and SSB (LSB & USB).
• Customizable Audio Bandwidth Filters – Select from 0.5, 1, 1.2, 2.2, 3, and 4 kHz for the best listening experience.
• Precise Frequency Control – Adjustable BFO control and frequency step options of 1, 5, and 10 kHz.

Technical Specifications

• Material: High-quality printed circuit board (PCB)
• Dimensions: 89 × 107 × 41 mm (3.50 × 4.21 × 1.61 in)
• Weight: 205g (7.23 ounces)
• Power Supply: Built-in lithium battery with USB charging support

Comprehensive Band Coverage

The ATS-20+ Plus receiver is preloaded with a wide range of frequency bands, making it ideal for various listening preferences. Some of the notable bands include:

• FM Band: 84.00 – 108.00 MHz
• Longwave (LW): 100 – 510 kHz
• Medium Wave (MW): 520 – 1720 kHz
• Shortwave (SW): Covers major amateur radio bands such as 160m, 80m, 40m, 30m, 20m, 17m, 15m, 12m, and 10m
• CB Band (11m): 26.200 – 27.900 MHz

Perfect for Radio Enthusiasts and Ham Operators

The ATS-20+ Plus is designed to meet the needs of both hobbyists and professionals. With its ability to receive a broad spectrum of signals, it is a perfect companion for emergency preparedness, travel, and outdoor adventures. The SSB (LSB & USB) support is especially useful for amateur radio operators looking to communicate over long distances.

What’s in the Box?

• 1 x ATS-20+ Plus Radio Receiver
• 1 x Antenna
• 1 x USB Charging Cable

Final Thoughts

The ATS-20+ Plus ATS20 V2 SI4732 Radio Receiver is a powerful and portable option for anyone passionate about radio communication. With its advanced features, durable design, and extensive band support, it is a must-have for both casual listeners and dedicated radio enthusiasts. Get yours today and experience high-quality reception like never before!

Get yours here

The post Discover the New ATS-20+ Plus ATS20 V2 SI4732 Radio Receiver appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

When you’re out in the wild, communication should be the last thing you worry about. Whether you’re navigating rugged terrains, coordinating tactical operations, or responding to emergencies, the Beartooth MK II ATAK Mesh Networking Radios ensure you stay connected no matter the situation. Built for professionals, adventurers, and first responders, these radios provide live tracking, push-to-talk voice communication, and advanced mesh networking to keep your team connected—even when traditional networks fail.

Why Choose Beartooth MK II?

Reliable Communication in Any Environment

• Live location tracking – Monitor your team’s real-time movement.
• Push-to-talk voice communication – Clear, instant, and dependable.
• Direct and group messaging – Stay in touch with individual team members or broadcast messages to the whole crew.
• Advanced mesh networking – Auto-builds a network supporting over 100 devices, ensuring seamless communication in mission-critical situations.

Built for Situational Awareness with ATAK

The Beartooth MK II integrates seamlessly with the Android Team Awareness Kit (ATAK), giving users a tactical advantage in complex environments.

Geo-locate your team – Share real-time positioning with your group.
Plan your route – Navigate effectively with enhanced mapping features.
Place and share markers – Coordinate operations and missions with ease.

Endorsed by the Pros

Paul B. | Founder, Private Tier Solutions

“Beartooth takes user feedback seriously. They’re not just selling a product; they’re dedicated innovators pushing the limits of what’s possible.”

Andreas J. | Fire Captain, Corona Fire Department

“Beartooth MK II and the ATAK plugin have revolutionized our firefighting and rescue operations. Even without cellular signals, communication remains smooth and reliable.”

Operational Detachment Alpha 18E

“I was a comms guy on another team, and everyone was drooling over this system. Beartooth has a solid product!”

Technical Excellence in a Compact Design

The Beartooth MK II isn’t just powerful—it’s rugged, secure, and built to last.

AES-256 encryption – Maximum security with low probability of detection or interception.
30-mile line-of-sight range – Long-range connectivity for critical operations.
Self-forming, self-healing mesh network – Automatically adjusts for optimal performance.
Supports up to 6 hops and 100+ nodes – Expanding your communication reach.
Two-day battery life – Designed for endurance in the field.
Made in the USA – ITAR-Free, EAR 99, 889, and TAA compliant.

Beartooth MK II: In the Box

• Two (2) Beartooth MK II Radios
• Pelican Case for ultimate protection
• USB A to C Charging Cables
• Beartooth MK II ATAK Plugin for seamless tactical integration

Seamless Compatibility

The Beartooth MK II works with both Android and iOS devices and is compatible with various PTT earpieces, including:

• Savox BT COM
• Aina PTT Voice Responder
• Blu-Genie Bluetooth PTT Adapter (Klein Electronics)
• Triumph 1-Wire PTT Earpiece (Klein Electronics)
• Blu-PTT Bluetooth PTT Button (Klein Electronics)

Ready to Elevate Your Communication?

Whether you’re an outdoor enthusiast, first responder, military operator, or tactical professional, the Beartooth MK II ATAK Mesh Networking Radios deliver unmatched reliability. Get yours today and ensure your team stays connected, informed, and mission-ready.

Order Now and Stay Connected When It Matters Most!

The post Beartooth MK II ATAK Mesh Networking Radios – Unmatched Communication When It Matters Most appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.