Amateur radio for the software-defined age.
TangoXray explores radio through signals, experiments, software and the people behind them. From antennas and propagation to SDR, DSP, satellites and modern radio tools.
Tango X-ray · TX · tangoxray.com
- Freq
- 14.074 MHz
- Mode
- FT8
- Grid
- JN94fq
- Status
- On air
Listen · Explore · ConnectSignals
Interesting things happening on the spectrum. Signals, modes, interference and what they tell us.
Learn
Short radio lessons from first principles to SDR, DSP and field work.
Labs
Experiments, measurements, builds and ideas tested in the real world.
Journal
Stories, technology and people shaping amateur radio.
Kirchhoff's Rules as Bookkeeping
Gustav Kirchhoff introduced two rules in 1845 to analyze DC circuits: Kirchhoff's Current Law (KCL) ensures charge conservation at nodes, and Kirchhoff's Voltage Law (KVL) ensures energy conservation in loops.
Read the noteLatest from the Journal
RX
Radio software built from the same kinds of signal-processing problems we explore at TangoXray.
Reduce noise. Understand speech. Identify stations. Keep your radio workflow in one place.
Explore RX
TangoXray is edited by YU4VLR.
The editor is a software architect, educator and licensed amateur radio operator interested in the point where radio, software and signal processing meet.
TangoXray uses an AI-assisted system called Olympus for research and publishing workflows, while technical responsibility remains with human editors.
How TangoXray works