iWSPR TX – WSPR for iOS version 3.0 now available
WSPR implements a protocol designed for probing potential propagation paths with low-power transmissions. Normal transmissions carry a station’s callsign, Maidenhead grid locator, and transmitter power in dBm. WSPR can decode signals with S/N as low as -28 dB in a 2500 Hz bandwidth. iWSPR TX by Federico, IW2MVI, is a WSPR implementation for iPhone and iPad […]