Knowledge from real-world use.
How-tos, experience reports and technical topics around amateur radio, Linux, networking, security, self-hosting and the projects on DA6IT.de.
DIY T2LT for 15 Metres – A Cheap Portable Antenna I Built Myself
My DIY T2LT for 15 metres: an inexpensive self-build made from RG58, a choke coil and a fibreglass mast, with surprisingly strong performance in portable use.
Kelemen Multiband Dipole as an Inverted-V – Installation, SWR and My Experience
My Kelemen multiband dipole as an inverted-V in a small garden: 13 m mast, two 11 m legs, SWR, NanoVNA measurements, 80 m tuning and practical improvements.
FT8 and FT4 with WSJT-X – My Setup and the Settings That Work for Me
A practical FT8 and FT4 setup guide with WSJT-X: CAT, USB audio, ALC, waterfall handling, Hold Tx Freq, PSK Reporter and automatic logging to the DA6IT.de Wavelog Offline…
What Is POTA – and How Does It Work?
A practical beginner guide to Parks on the Air: Hunters, Activators, simple portable equipment, park selection, spotting, logging and the first activation.
DX Cluster API Setup – Architecture, Data Flow and Structure
A practical look at my DX Cluster API setup: data sources, aggregator, REST interfaces, Telnet, dashboard and the complete data flow behind it.