RS41ng
Easy-to-use custom firmware for Vaisala RS41 and Graw DFM-17 radiosondes with support for amateur radio use. Ideal for tracking high-altitude balloons. Configure and flash the firmware using a web browser (WebUSB). Supported modes include APRS, Horus 4FSK mode, CATS, morse code (CW) and additional d
Category
Radio & streaming
Type
Open source
Platform
C project
Pricing
Free / open source
License
GPL-2.0
GitHub stars
187
Last updated
2026-07-08