APRS decoding

My OpenWebRX station is running with all background services enabled. This means it will decode all digital modes (APRS, WSPR, FT4/8, etc.) in the backgroun...

Icom IC-705 QRM caused by USB CAT control

When using WSJT-X with my IC-705 connected by USB all bands (160m - 70cm) are drowning in a spike-like noise pattern that renders the entire device unuseable...

Finding good ham radio portable spots using OpenstreetMap and Overpass Turbo

How to find good spots where you can work from? This is a question you can ask Overpass Turbo from the Openstreetmap project. So let’s look for: Picnic...

Rhein/Ruhr/Ahrbruck Hochwasser 2021 - Sentinel-1 SAR-Satellitenbilder der Überschwemmungsgebiete

Das dramatische Wetterereignis in Westdeutschland lies sich mit den SAR-Radarbildern des Sentinel-1 Satelliten aus dem Copernicus-Programm verfolgen. Optisc...

On LiFePo4 Batteries

A good hamradio LiFePo4 battery should be able to offer 12V and a peak current drain up to 10A. For easy recharging (USB PD, Solar, lab power supply) the BM...