Category: Radio Operations
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EME – Earth-Moon-Earth: Moonbounce on 2 m and 70 cm
EME – Earth-Moon-Earth: When the Moon Becomes a Reflector Imagine sending a radio signal from Earth to the Moon and receiving the echo back – a round-trip distance of approximately 768,000 kilometers. This is exactly…
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DXCC, WAZ, WPX: The Major Amateur Radio Awards Explained
Introduction: The Fever for the Certificate You just made your first DX QSO on 20 meters — Japan, with only 100 watts and a wire in the garden. Your heart is still pounding. You checked…
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Contests for Beginners: Why You Should Enter at Least One Contest
Introduction You’re sitting in the shack, turning the VFO, and suddenly on 14 MHz you hear a tangle of callsigns, lightning-fast exchanges, and cryptic numbers. “CQ Contest, CQ Contest, OE2S, Oscar Echo Two Sierra.” Then…
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QBlitz – Q-group quick trainer for radio amateurs
QBlitz is here! Our new Q-group quick trainer helps you learn the most important Q codes for amateur radio testing and daily radio operations – interactively, playfully and with a scientifically based learning method. What…
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BandBlick – IARU Region 1 band plan
BandBlick – IARU Region 1 Bandplan BandBlick is an interactive amateur radio band plan visualizer for IARU Region 1. The tool offers a clear representation of all amateur radio bands with their segments and types…
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QSO Buddy: Practice radio conversations interactively
You finally want to speak confidently into the microphone? QSO Buddy is your interactive trainer for amateur radio conversations (QSOs). Learn step by step how a typical radio conversation works – from the CQ call…
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First Contact – Learn shortwave propagation through experimentation!
You probably know this: You sit in front of the rig, turn the VFO and ask yourself – why is there nothing going on at 20m while the place is full at 40m? Or why…
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What is an SDR? An overview for radio enthusiasts
Software instead of hardware: The SDR principle A Software-Defined Radio (SDR) is a radio receiver in which a large part of the classic hardware is replaced by software. Instead of requiring separate devices for each…
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How far can I really get? Easily create RF propagation maps yourself
Planning radio coverage made easy – with Radio Mobile Online If you want to know how far your signal really reaches, Radio Mobile Online is a really powerful tool. The tool was developed specifically for…
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🏕️ Wavelog – the online logbook for portable radio operation
A flexible logbook that can be accessed at any time is particularly important for portable radio operations (e.g. POTA, SOTA, field days).With Wavelog, a modern, web-based amateur radio logbook is now available on oeradio.at, which…
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Setting up MSI2500 SDR (RSP1 Clone) on Ubuntu – step-by-step instructions
This guide shows how to get an MSI2500 based SDR receiver (like RSP1 Clones) running on Ubuntu Linux with GQRX. The instructions are also suitable for beginners without much Linux experience. What is the MSI2500?…
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Making SDR Accessible Worldwide: A Radio Amateur’s Guide to Cloudflare Tunnels
Or: How I learned to forget port forwarding and love the cloud 🙂 Introduction Dear radio amateurs! Tired of struggling with your router’s port forwarding settings? Annoyed by DynDNS services that give up at the…
