Vaisala RS41-SG Weather Balloon (Radiosonde)

Vaisala RS41-SG Weather Balloon (Radiosonde)

Frequencies	400 MHz,410 MHz
Frequency Range	400 MHz - 410 MHz
Mode	NFM
Modulation	GFSK
ACF	—
Bandwidth	4.8 kHz
Location	Worldwide
Short Description	Weather balloon (radiosonde) telemetry data.
I/Q Raw Recording	—
Audio Sample

Vaisala Radiosondes: RS92-SGP - RS41-SG - RS92-KL

Vaisala RS41-SG Weather Balloon.

Characteristics

GFSKGaussian Frequency-Shift Keying deviation Peak-Peak is 4.8 kHzKiloHertz (kHz) 10^3 Hz, with speed at 4800 bpsBits per second (bps).

Frequencies

Typically around 405 MHzMegaHertz (MHz) 10^6 Hz.

Decoding Software

Hobby Level Software

• SondeMonitor - Windows or Wine, shareware
• RS - RS1729 Radiosonde Decoder (compiles on Linux and Windows)
• dxlAPRS - free toolchain for radiosonde decoding (Linux)
• RS41 Tracker - Windows, freeware

Decoding Tutorials

• Decoding weather balloons with an RTL-SDR

Video Examples

• Weather Balloon (Radiosonde) tracking with RTL SDR (RTL2832), Sondemonitor and SDR Sharp
• RS41-SG
• RS41-SG / RS92-SGP
• 2x RS41

Additional Links

• Vaisala RS41 Datasheet

Additional Images