wspr topic
red-pitaya-notes
Notes on the Red Pitaya Open Source Instrument
JTEncode
JT65/JT9/JT4/WSPR/FSQ Encoder Library for Arduino
RS41ng
Custom firmware for Vaisala RS41 and Graw DFM-17 radiosondes with support for amateur radio use. Ideal for tracking high-altitude balloons. Supported modes include APRS, Horus 4FSK mode, CATS, morse c...
WSPRBeacon
Worldwide Network of WSPR Beacons
openwebrx
Open source, multi-user SDR receiver software with a web interface
DigiSkimmer
FT8/FT4/WSPR Skimmer base on WSJT/KiwiSDR
WSPR-beacon
A small hardware device for transmitting WSPR messages based on the SI5351 IC which uses GPS for transmission time synchronization and automatic QTH locator calculation.