oeradio.at – Amateur Radio in Austria
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VHF/UHF Repeaters in Austria: Network, Technology, and Operation
Partecipa: c’è ancora molto potenziale non sfruttato per i nuovi nodi MeshCom, specialmente in OE8. Cogli l’opportunità di costruire il tuo nodo ed espandere la rete nella tua regione! 73 di Michi OE8YML Non sei…
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kv4p HT: Turning an Old Smartphone Into a 2-Metre Radio
A hands-on report by Michael, OE8YML My old Samsung Galaxy S9+ spent years in a drawer. Now it is, among other things, a 2-metre radio — and it gets used for other amateur radio and…
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Alpine Propagation: How Mountains Affect VHF/UHF Propagation
Knife-Edge Diffraction Mountain ridges act as edges where VHF/UHF signals diffract. Enables QSOs over mountains. 2m/70cm benefit most. Mountain Reflection Smooth slopes reflect signals — dual-path effect causes fading. Optimal Locations High-elevation sites (alpine meadows,…
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Towers and Masts: Planning and Installing Antenna Supports
Guide to antenna towers: free-standing vs guyed, wind load calculations, Austrian building permits, alpine considerations. Rohn 25G/45G, AN Wireless. Permits: 30m aviation authority. Transparency Notice AI-assisted article (Claude, Anthropic).
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Cross-Border Radio Operation: OE-DL-I-S5 in the Alps
Austria is a landlocked country with eight neighbours – and for radio amateurs that is a gift. If you live in the west, south or north, the border is often within sight. With a valid…
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Receive Antennas for Low-Band: Beverage, K9AY and Flag Antennas
On the low bands — 160, 80 and 40 metres — a DX contact is rarely decided by transmit power, but by the station’s ability to hear. Atmospheric noise (QRN) is so high here that…
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Digirig Mobile: The Compact Digital Interface for Portable Operation
Anyone who wants to run FT8, JS8Call, WSPR, or Winlink in the field knows the problem: a laptop, a transceiver, and between them a tangle of cables — USB sound card, CAT cable, PTT adapter,…
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CW Operation in Practice: From First Key to QSO
CW – telegraphy in Morse code – is the oldest mode in amateur radio and at the same time one of the most alive. While other modes come and go, the plain little “dit-dit” has…
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Receiving and Decoding Weather Radiosondes: Tracking High-Altitude Balloons with RTL-SDR
Every day, thousands of weather balloons rise around the world, equipped with radiosondes that measure temperature, air pressure and humidity – and transmit their measurements by radio to the ground station. With an inexpensive RTL-SDR…
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futureGEO: The Future of Geostationary Amateur Radio Satellites After QO-100
Since February 2019, QO-100 on Es’hail-2 has proven that geostationary amateur radio satellites work — and work brilliantly. Thousands of radio amateurs across Europe, Africa, and Asia use the narrowband and wideband transponders daily for…
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TETRA on BrandMeister: TetraPack.Online Brings Professional Digital Radio to Amateur Radio
Most radio amateurs know BrandMeister as the world’s largest DMR network. But since 2024, there’s a new family member: TetraPack.Online brings the professional TETRA standard to amateur radio — with superior voice quality, full-duplex capability…
