: Real-time meteorological updates for specific airports.
PlanePlotter (PP) is a popular aircraft tracking and sharing software. To send your decoded ACARS messages to PP, add this option to your Acarsdeco2 command line:
Now open your browser to http://localhost:8080 to see live messages. Acarsdeco2 Windows Download
: Before running Acarsdeco2, use a tool like SDR# to find your dongle's PPM frequency offset and optimal gain settings for the clearest signal. RTL-SDR Tutorial: Receiving Airplane Data with ACARS
For continuous 24/7 operation, you may want to run Acarsdeco2 as a background process without a visible command window. : Real-time meteorological updates for specific airports
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Before you start, it’s important to know that Acarsdeco2 has not been updated for several years. The original developer “sergsero” disappeared from the forums around 2018–2019. The last public versions for Windows are (November 15, 2017) and 20181201 (December 1, 2018). The later 2018 version introduced some changes to command‑line options, which can confuse users who find older tutorials online. : Before running Acarsdeco2, use a tool like
Decoding ACARS messages is legal in most countries for hobbyist purposes, as these transmissions are unencrypted and broadcast over public airwaves. However, it is important to:
: Aircraft performance data and oceanic clearances.
Acarsdeco2 is a specialized software decoder designed to demodulate ACARS messages from raw audio input. Unlike its predecessor (Acarsdec), which ran primarily on Linux, Acarsdeco2 offers a native or easily emulated path for Windows users. At its heart, the program performs a complex mathematical transformation: it takes the frequency-shift keyed (FSK) audio tones—typically captured via a software-defined radio (SDR) dongle, such as the RTL-SDR—and converts them into binary data, then into framed ACARS messages. A Windows download of Acarsdeco2 typically includes a precompiled executable or a wrapper that interfaces with Windows’ audio subsystem and SDR drivers (e.g., via Zadig or a virtual audio cable). The process is deceptively simple: point the software to an audio source tuned to 131.550 MHz (a common ACARS VHF frequency), and suddenly, aircraft tail numbers, flight IDs, and message texts scroll across the screen.
While not an official repository, several trusted aviation enthusiasts maintain archives of Serg_Gl’s tools (including acarsdeco2_windows_*.zip ). 2. Identifying the Right File