Extract the contents of the ZIP archive directly into this folder. Ensure the internal file structure remains intact. You will find the core executable acarsdeco2.exe along with documentation files. Command Line Configuration
Acarsdeco2 is a multi-channel ACARS (Aircraft Communications Addressing and Reporting System) decoder designed for use with RTL-SDR dongles. It is highly regarded by aviation enthusiasts for its ability to decode signals from up to three channels simultaneously and its built-in web interface for real-time monitoring. Unlike some older software, it interfaces directly with the hardware, removing the need for complex audio piping.
Always scan the downloaded .exe or .zip file with Windows Defender or your preferred antivirus. The binary is safe when obtained from GitHub, but many third-party sites inject adware.
(Optional) For convenience, add the folder to your system PATH or create a shortcut to acarsdeco2.exe on your desktop. Acarsdeco2 Windows Download
Displays captured aircraft data, maps, and message logs directly in your browser.
Extract the complete contents of the downloaded ZIP archive directly into this folder, maintaining the original subdirectory layout. Step 3: Verify SDR Driver Compatibility
If you want to decode these text-based operational messages directly on your PC using a RTL-SDR dongle, is one of the most efficient, lightweight, and powerful command-line decoders available. Extract the contents of the ZIP archive directly
Create a dedicated folder on your computer, such as C:\Aviation\Acarsdeco2\ .
Then in PlanePlotter, you would go to and tick the box for " UDP/IP data from net ". This allows PlanePlotter to receive the ACARS data stream from Acarsdeco2.
Before running Acarsdeco2, ensure your hardware and drivers are correctly configured. Hardware Needed: Always scan the downloaded
Right-click an empty space, select , and name it start.bat (ensure the file extension changes from .txt to .bat ).
As aircraft fly overhead and transmit data, you will see a real-time list populate with aircraft registration numbers, flight IDs, message labels, and the raw text payloads of the ACARS transmissions. Troubleshooting Common Issues