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Latest Articles
Meshtastic in Practice: Off-Grid Messaging with LoRa Mesh
Sending text messages, sharing GPS positions and receiving sensor data, without the internet, without a mobile network, without mains power. And all of it with hardware costing around 35 euros. What sounded like a niche project…
New POTA website: next.pota.app is in public beta
Parks on the Air is rebuilding its platform, and since 31 August 2026 you can watch it happen: next.pota.app is available as a public beta. It runs alongside the familiar site, uses the same production database…
Radio from the eternal ice: Neumayer Station III and DP0GVN
In 2023, 160 pupils from Hermagor worked Antarctica via QO-100. On 20 September, someone who actually lived down there comes to Villach and tells how it really was.
Icom IC-7110: the X-026 concept becomes a production radio
For four months the X-026 was a mock-up without a spec sheet. At the Tokyo Ham Fair Icom finally answered: it is the IC-7110, successor to the IC-7100. What is confirmed, what is missing — and why the 70 MHz on the spec sheet is its own story in Austria.
Amplifiers: Selection, Safety and Grounding
An amplifier buys you about one and a half S-units — along with high voltage, heat, mains current and a stack of regulations. What is actually permitted in Austria, how tubes and LDMOS differ, how to set up drive, ALC and grounding properly, and what to check when buying used.
KiwiSDR: The Global Network of Open HF Receivers
Imagine being able to access a shortwave receiver in New Zealand from your living room, simultaneously open a second one in Japan, and triangulate a signal with a third in Scandinavia — all in your browser,…
Show us your boxes: the repeaters of CarinthiaMesh and the people behind them
Just before midnight on 22 August, a request went out in the Carinthian MeshCore channel: show us your repeaters. What came back is a stock-take in pictures: 37 active sites built from garden lamps, 18650 cells and a fair amount of climbing.
23-cm Band and Higher: Microwave Bands Entry
Above 1 GHz begins the part of amateur radio where you still aim antennas by hand. What is left on 23 cm in Austria after the power restriction, what CEPT decided in 2025, and why the easiest entry today runs via QO-100.
Meteorscatter on VHF: Short Bursts for DX
Meteorscatter uses meteor trails for VHF DX. Ionized trails reflect VHF signals for 0.1-10 seconds. Best during meteor showers (Perseids, Geminids). MSK144 mode optimized for short bursts. Equipment: VHF transceiver, 100W+, high-gain Yagi, WSJT-X software. Range:…
10 days of radio roadtrip with an abrupt ending
30 activations, around 3000 kilometres and 38 hours of pure driving time: Sigrid Magdalena OE1YLS originally wanted to activate three 4000-metre summits in Switzerland and ended up in the Bayrischer Wald, in the Elsass and in the French Alps instead. Until a lost phone brought the trip to an abrupt end.
Running OpenWebRX+: Your Own Web-Based SDR Server
Imagine sharing your radio receiver with the entire world — directly through a web browser, without anyone needing to install software. That is exactly what OpenWebRX+ enables: an open-source project that turns a Raspberry Pi and…
SOTAmesh: SOTA spots on the MeshCore network, even without internet
The antenna is up, the phone shows no bars, and the spot never goes out. That is exactly what the new MeshCore channel #sota is for, and SOTAmesh is the web page where chasers can follow it live.
