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    4. DIY Guide
    6. Install Firmware

    How to Install Stratux EU/US Firmware

    Flash the correct firmware to your SD card

    This guide shows you how to download and install Stratux firmware on your SD card. Choose between the EU version (with FLARM support) or the US version (with UAT support) based on your region.

    Firmware Versions

    EU

    Stratux EU

    European version with FLARM, OGN, ADS-L, FANET, and PAW support. Optimized for 868MHz reception.

    GitHub ReleasesWeb Interface Guide
    US

    Stratux US

    US version with UAT (978MHz) support for FIS-B weather and TIS-B traffic.

    GitHub Releases
    Advanced

    Roastbeef (Advanced)

    Advanced alternative firmware with additional features and optimizations. Recommended for experienced users who want extended functionality.

    GitHub ReleasesRoastbeef WikiWeb Interface Guide

    What You Need

    • MicroSD card (16GB or larger recommended)
    • SD card reader for your computer
    • Balena Etcher or Raspberry Pi Imager software
    • Stable internet connection for download
    1

    Download Balena Etcher

    Download and install Balena Etcher. This free tool works on Windows, macOS, and Linux. Alternatively, you can use Raspberry Pi Imager.

    Balena Etcher
    2

    Download Stratux Firmware

    Go to the GitHub releases page for your region (EU or US) and download the latest .img or .img.zip file. The EU version is maintained by b3nn0, the US version by cyoung.

    3

    Insert SD Card

    Insert your microSD card into your computer using an SD card reader. Make sure the card is empty or backed up - all data will be erased during flashing. It's recommended to format the SD card first using the official SD Card Formatter tool.

    SD Card Formatter
    4

    Flash the Image

    Open Balena Etcher, click 'Flash from file' and select the downloaded Stratux image. Select your SD card as the target, then click 'Flash!'. The process takes 5-10 minutes.

    5

    Verify and Eject

    Etcher will automatically verify the flash. Once complete, safely eject the SD card from your computer. The card is now ready to use in your Stratux.

    6

    Insert into Stratux

    Insert the flashed SD card into your Raspberry Pi. Connect power and wait for the device to boot. You should see the 'stratux' WiFi network appear within 60 seconds.

    Important Notes

    • Always use a high-quality SD card (Class 10 or better) to prevent corruption
    • The EU firmware requires different SDR calibration than US firmware
    • Keep a backup of your SD card image after configuration

    Next Steps

    First Time SetupCalibrate SDR
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