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 code (CW) and additional digital modes like WSPR and FT8 via Si5351.
cats
radio
gps
amateur-radio
wspr
gps-tracker
aprs
balloon
si5351
horus
radiosonde
high-altitude-balloon
rs41
4fsk
dfm-17
si4032
si4063
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Updated
Jul 1, 2024 - C