radiosonde decoding

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 digital modes like WSPR and FT8 via Si5351.

Reverse Engineering of the Vaisala RS41 Radiosondes Data Frame Format

Versatile, feature-rich firmware for ALL revisions of Vaisala RS41 radiosondes, supporting factory-calibrated sensors (silver boom and pressure board), excellent GPS performance, Horus/APRS/Morse/RTTY/Pip/Fox radio modes and more! Project usage is straightforward, with web flasher and guided configurator.

OpenWX SDR RX radiosonde decoder

Tephigram plotting in Python

Tracking balloon, graphing the path, and analyzing the data of Vaisala RS radiosonde

Radiosonde hunting related

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Firmware for a Ra Radiosonde Receiver running on ESP32 HW (like TTGO Board or Heltec LoRa32 V3). Requires the iRa App.

Radiosonde platform to develop, test and integrate payloads for the future CubeSats missions

dxlAPRS extension for uploading radiosonde telemetry to SondeHub

Radiosonde decoder, monitoring, scan and decoder status

dxlAPRS extension for scanning frequencies - find radiosonde

IWV and ZTD conversion with example data

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RS41-D RS92-D radiosonde decoder