📡 AI-Powered Noise Reduction: Cleaner Signals with Machine Learning

Noise is the eternal enemy of the radio operator. Whether QRM (man-made interference) or QRN (natural noise) — the fight for clean signals is as old as amateur radio itself.

🔗 https://oeradio.at/en/ai-powered-noise-reduction-cleaner-signals-with-machine-learning/

#Amateurfunk #HamRadio #OERadio

📡 Power Source for Portable Operation: Eremit LiFePO4 in a 3D-Printed Enclosure

I spent a long time thinking about how to get power for portable operations. If you're out with a (tr)uSDX or USDX, it's easy: three unprotected 18650 cells in a holder — done.

🔗 https://oeradio.at/en/power-source-for-portable-operation-eremit-lifepo4-in-a-3d-printed-enclosure/

#Amateurfunk #HamRadio #OERadio

📡 CB Radio in 2026: Written Off but Still Alive

CB radio — Citizens Band Radio — was a mass phenomenon in the 1970s and 80s. Millions of people worldwide were on the 27 MHz band long before mobile phones and the internet became ubiquitous.

🔗 https://oeradio.at/en/cb-radio-in-2026-written-off-but-still-alive/

#Amateurfunk #HamRadio #OERadio

📡 MeshCom 4.0 Off-Grid – Is That Even Possible?

Since my QTH is in a hollow surrounded by hills, connecting to other nodes just isn't possible from here. And let's be honest: hanging a node directly on the internet is basically WhatsApp with an extra box.

🔗 https://oeradio.at/en/meshcom-4-0-off-grid-is-that-even-possible/

#Amateurfunk #HamRadio #OERadio

📡 DX Weather Week 22/2026: SFI 124 — Flux Recovery, Quiet Geomagnetic Conditions and Es Peak Season

Week 22 / 2026 | May 25 – 31 | SFI 124 | SSN 86 | A 6 | K 0 | X-Ray C1.3 Summary Recovery is here: Solar Flux climbs to 124 — a jump of 23 points from week 21 (SFI 101). The Sunspot Number rises to 86, with several active regions visible on the solar disc.

🔗 https://oeradio.at/en/dx-weather-week-22-2026-sfi-124/

#Amateurfunk #HamRadio #OERadio

📡 SSTV and ATV: Sending Images and Video over Radio

Amateur radio is not just voice and Morse code — for decades, radio amateurs have also been sending images and even live video over the airwaves. From the International Space Station to local ATV repeaters: image transmission by radio fascinates and connects two exciting worlds — radio technology and visual communication.

🔗 https://oeradio.at/en/sstv-and-atv-sending-images-and-video-over-radio/

#Amateurfunk #HamRadio #OERadio

📡 Radio Awards for Everyone: Six Awards from Carinthia — Open to CB and PMR Too

Radio awards are a staple of amateur radio: collect contacts, meet certain conditions, earn a certificate. If you don't hold a ham licence, you're usually left out.

🔗 https://oeradio.at/en/radio-awards-for-everyone-six-awards-from-carinthia-open-to-cb-and-pmr-too/

#Amateurfunk #HamRadio #OERadio

📡 Cloud Logging 2026: Online Logbooks for Ham Radio Compared

The paper logbook has had its day — but where should your QSOs go? The answer increasingly is: the cloud.

🔗 https://oeradio.at/en/cloud-logging-2026-online-logbooks-for-ham-radio-compared/

#Amateurfunk #HamRadio #OERadio

📡 Sporadic E on 2 m and 6 m: VHF DX Through Ionospheric Surprises

It happens suddenly and without warning: on the 6 m band, stations from 1,500 km away appear at S9+ — and a few minutes later, everything's gone. Welcome to the fascinating world of Sporadic E propagation (Es).

🔗 https://oeradio.at/en/sporadic-e-on-2-m-and-6-m-vhf-dx-through-ionospheric-surprises/

#Amateurfunk #HamRadio #OERadio

📡 DX Weather Week 21/2026: SFI 101 — Flux Decline and G1 Storm, but Es Season Starts

Week 21 / 2026 | May 18 – 24 | SFI 101 | SSN 46 | A 12 | K 4 | X-Ray B8.5 Summary The downward trend continues: Solar Flux drops to 101 — the lowest value in weeks and a decrease of 19 points from week 20. The Sunspot Number falls to 46, with only two active regions of note.

🔗 https://oeradio.at/en/dx-weather-week-21-2026-sfi-101/

#Amateurfunk #HamRadio #OERadio