Shows which areas of the earth are in daylight.

This page allows you to do analysis on the real time wspr spot data. The database contains all spots ever reported to wsprnet.org and allows public access to the data.

Powerful WSPR analysis tool with live maps, heatmaps, charts and a visual SQL query builder. Explore propagation and filter data by callsign, band, time and more.

Open WSPR Visualization in New Window. This interactive 3D Earth model shows real-time WSPR propagation paths between amateur radio stations. Features include: The visualization …

Leaflet | Tiles © Esri — Source: Esri, DeLorme, NAVTEQ, USGS, Intermap, iPC, NRCAN, Esri Japan, METI, Esri China (Hong Kong), Esri (Thailand), TomTom, 2012

List of currently available WSPR tools for viewing, Map display, and analysis - updated at Dec 2019 - in addition to the WATT tool.

A real-time, responsive map view of APRS (Automatic Packet Reporting System), CWOP (Citizens Weather Observer Program), and other APRS-IS visualization data across the world.

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There are currently over 4000 HAM radio stations worldwide continuously transmitting and receiving beacon signals using the WSPR RF modulation format. WSPR is implemented in the …