WSPR Matrix

Daily WSPR propagation activity by reporter, band, UTC time, local time, and selected global destination areas.

See when propagation paths are active

wspr-matrix is a browser App for viewing daily propagation activity between your region and any global region over a UTC day.

The app runs locally in your browser on any operating system - including Windows, Linux, Apple, Android and mobile phones. No installation and no server required.

Open WSPR Matrix User Guide Worked All Europe example
WSPR Matrix map showing selected destination areas for Oceania, Europe, and North America

Example destination map. Click the visual to open the browser app.

Browser AppBuild daily WSPR activity matrices by reporter, band, time, and selected destination areas. ApplicationsUse WSPR Matrix for contest planning, beam-heading strategy, station comparison, and propagation study. Worked All Europe exampleSee how WSPR Matrix can support contest preparation for Europe, North America, and Oceania.

WSPR Matrix reports observed WSPR activity. It does not prove short-path or long-path propagation unless supported by separate directional evidence.