RS80

RS80

Frequencies	1680 MHz
Frequency Range	1680 MHz - 1680 MHz
Mode	FM
Modulation	MFSK
ACF	—
Emission Designator	—
Bandwidth	120 kHz
Location	Worldwide
Short Description	Valsala Radiosonde RS80. This is an analog weather balloon radiosonde. Measures Temperature, Pressure and Humidity.
I/Q Raw Recording	—
Audio Sample

Frequencies

Its frequency is around 1680 MHzMegaHertz (MHz) 10^6 Hz but it tends to drift.

Decoding Software

SondeMonitor - Shareware for Windows or wine

Audio Analysis

This is the demodulated audio from power on.

Spectrum analysis of the first 6 audio tones

The first 6 audio tones transmitted are:

1. 7787 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
2. 8880 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
3. 8731 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
4. 9627 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
5. 8709 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
6. 9047 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).

Data Payload

Data is transmitted in the form of 6 frequencies. Each frequency represents one metric:

1. Calibration parameter 1 (high)
2. Internal temperature
3. Pressure
4. Calibration parameter 2 (low)
5. Temperature
6. Humidity

Additional Images

GQRX Screenshot RS80 waterfall during startup