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Acarsdeco2 Windows Verified ((free)) 〈2026 Release〉

Adjust the slider under the RTL-SDR controller configuration menu until the signal peak centers precisely on the VFO tuning line.

To run AcarsDeco2 reliably on Windows, ensure the following core dependencies are in place: 1. Driver Verification

A common mistake for new users is double-clicking acarsdeco2.exe directly. Doing so will result in a black command prompt window that flashes and immediately closes. The program is command-line driven and must be launched with specific parameters. Each installation comes with an example file, usually named run_acarsdeco2_3freq.bat .

AcarsDeco2 is "portable" and does not require a traditional installer.

A common RTL2832U-based dongle (e.g., RTL-SDR Blog V3/V4). acarsdeco2 windows verified

@echo off acarsdeco2.exe --gain 38.6 --freq-correction 0 --freq 131550000 --freq 131725000 --http-port 8080 pause Use code with caution. Copied to clipboard

From the drop-down menu, select your device (typically labeled ).

Before starting the software, use a program like SDR# (SDRSharp) to find your dongle's and the best gain settings. This ensures you are tuned accurately to the VHF ACARS frequencies (e.g., 131.550 MHz, 131.725 MHz, 131.825 MHz). Step 2: Configure the Batch Script ( .bat )

Use the Zadig tool to install the generic WinUSB driver for your RTL-SDR dongle. This is essential for the software to "talk" to your hardware. Adjust the slider under the RTL-SDR controller configuration

Features a built-in web-based map and message viewer to track incoming data, even though it operates in a command-line window.

: Features a clean, built-in HTTP server ( http://127.0.0.1:8080 ) to visualize real-time messages.

To run AcarsDeco2 systematically, you should create a customized inside the application directory. This prevents the terminal environment from closing instantly and declares operational boundaries. Syntax Configuration Template

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if (-not (Test-Path ".\acarsdeco2.exe")) Write-Error "acarsdeco2.exe not found" exit 1

Choose from the drop-down menu.

| Destination | Parameter | What It Does | | :--- | :--- | :--- | | | --outConnectUdp | Sends the decoded ACARS data (in a "pp" format) via UDP to the popular PlanePlotter software, allowing it to plot aircraft positions and correlate ACARS with ADS-B data. | | Virtual Radar Server (VRS) | --vrs-url | Connects to a running instance of VRS to pull in aircraft pictures and silhouettes, enriching the data shown in acarsdeco2 's own web interface. | | Other Apps / Network | --outServer | Creates a TCP or UDP server that other applications on your network can connect to, effectively turning your acarsdeco2 instance into a data source. A common format is ad2:30008 . |

On the Windows platform, acarsdeco2 provides a native environment for this processing. Windows dominates the desktop market, making it the primary platform for many casual users running SDR software. However, the fragmented nature of Windows hardware—varying sound cards, processor speeds, and driver support—makes stability a primary concern. Users require a tool that is optimized for the Windows kernel and API structure to ensure that high-bandwidth data processing does not result in system crashes or application freezes.