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Updated Weather SubGhzD (markdown)

gullradriel
2025-07-09 22:00:19 +02:00
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Weather-SubGhzD.md

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> [!NOTE]
> The wiki is yet to be completed. **Please feel free to add content and [collaborate](How-to-collaborate)**.
The Weather and SubGhzD apps are supposed to decode AM modulated common signals, like weather stations or rf remotes.
You can check the currently supported protocols here: [baseband/fprotos](https://github.com/portapack-mayhem/mayhem-firmware/tree/next/firmware/baseband/fprotos)
> [!IMPORTANT]
>This program is sensitive to signal strength, so if you set values too high or too low, it will not be able to decode.
Ideal values are around: AMP 0, LNA 32, VGA 20. If still nothing, play with these values, try to reduce or increment.
Common frequencies:
- 433.92 MHz (EU)
- 315 MHz (US, Japan)
- 868 MHz (EU + others)
- 915 MHz (US, Japan)

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![image](https://github.com/user-attachments/assets/f1efc269-566f-4b67-be42-1c820bb39cc4)
# Introduction
The Weather app is supposed to decode AM modulated common weather stations signals
You can check the currently supported protocols here: [baseband/fprotos](https://github.com/portapack-mayhem/mayhem-firmware/tree/next/firmware/baseband/fprotos)
# Controls
- Frequency selector: use rotary encoder or click on it to pop frequency key pad.
- Temperature unit selector: use the rotary encoder to switch from Celsius to Fahrenheit.
- AMP: 0 OFF, 1 ON (beware of strong signals).
- LNA: use rotary encoder to change Low Noise Amplification.
- VGA: use rotary encoder to change Variable Gain Amplification.
- Volume: [unfinished]
- Clear: click to clear the displayed list.
- Log: hit the checkbox to save the results in a log file.
> [!IMPORTANT]
>This program is sensitive to signal strength, so if you set values too high or too low, it will not be able to decode.
Ideal values are around: AMP 0, LNA 32, VGA 20. If still nothing, play with these values, try to reduce or increment.
# Common frequencies:
- 433.92 MHz (EU)
- 315 MHz (US, Japan)
- 868 MHz (EU + others)
- 915 MHz (US, Japan)