WsprNet Viewer periodically retrieves and displays amateur radio ("ham radio") signal propagation reports (WSPR) from www.wsprnet.org. Tapping on a specific report displays more details about it, along with a world map image identifying the transmitter and receiver locations. From the details screen, share the report, or map the transmitter or receiver location using the Android device's map application.
Get notified when propagation is reported to be good for a particular frequency band.
Now with great circle and heat map plotting on Google maps!
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73 de AC8ES