: Make sure your RTL-SDR is securely plugged into a working USB port and that you have successfully applied the WinUSB driver via Zadig. Ensure no other SDR software (like SDR# or dump1090) is actively using the dongle.
Note: In North America, common frequencies include 131.550 MHz and 131.725 MHz. In Europe, 131.725 MHz and 131.825 MHz are widely used.
Runs efficiently as a command-line utility without bloat. Acarsdeco2 Windows Download
Once your batch file is saved, double-click start.bat . A Windows Command Prompt window will open. If everything is configured correctly, you will see initialization text confirming that your RTL-SDR device has been detected and is actively tuning to your selected frequencies. Accessing the Web Interface
Type http://localhost:8080 into the address bar and press . : Make sure your RTL-SDR is securely plugged
--gain : Sets the internal tuner gain of your RTL-SDR hardware. Adjust this value up or down depending on your local radio noise floors.
--logfile C:\Tools\acarsdeco2\acars_log.txt In Europe, 131
Unlike older software that required routing audio through virtual audio cables into a separate decoder, Acarsdeco2 talks directly to the RTL-SDR hardware. It decodes the raw radio signals internally and feeds them into a built-in web server, giving you a clean, graphical user interface (GUI) accessible via any web browser. Key Features of Acarsdeco2:
within a ~1.4 MHz band segment. This is particularly useful for monitoring multiple VHF ACARS frequencies at once without needing multiple receivers. Direct Hardware Interfacing