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Liftoff Telemetry Recorder

A desktop app that monitors live telemetry from the Liftoff drone simulator and saves it to a CSV file.

PythonTkinterUDP SocketCSVPyInstaller 21.06.2026

Liftoff Telemetry Recorder↓ release.zip
Liftoff Telemetry Recorder detail view
Liftoff Telemetry Recorder app icon

A Windows app that receives the flight data the Liftoff FPV drone simulator broadcasts over UDP, shows it on a live dashboard and records it to a CSV file.

Liftoff Telemetry Recorder main window

Download

Download release.zip with the floppy disk at the top of this page and unzip it. It contains two files:

  • Liftoff Telemetry Recorder.exe — single-file app, no installation needed
  • KULLANIM.md — a short usage note (in Turkish)

The exe is not signed, so Windows SmartScreen may warn on the first start: More info → Run anyway.

Usage

  1. Run Liftoff at least once (this is how the app finds Liftoff's settings folder).
  2. Open the app, check the IP address and port under Network Settings and press Configure Liftoff. The defaults are 127.0.0.1 and 9001.
  3. Press Start Listening. Once you start flying in Liftoff, the dashboard comes alive.
  4. Choose where to save the log with Select Log CSV....
  5. Pick a Logging Rate: 1, 2, 5, 10, 20, 50 Hz or Max (Unlimited).
  6. Press Start CSV Logging to start recording. Press it again to stop.

What does Configure Liftoff do?

Liftoff only broadcasts telemetry when a TelemetryConfiguration.json file exists in its settings folder. Configure Liftoff writes that file for you:

%USERPROFILE%\AppData\LocalLow\LuGus Studios\Liftoff\TelemetryConfiguration.json

The EndPoint value in the file is built from the IP and port you entered (127.0.0.1:9001). Restart Liftoff if the setting changed.

CSV contents

Every row uses a fixed schema, so logs from different flights can be analysed with the same tools:

Column groupContents
Timestamp, Sim TimeWall-clock time and simulation time
PositionX, Y, Z position
Start Pos & DistStart position and distance from it
Velocity, SpeedVelocity vector and total speed
AttitudeOrientation of the drone
GyroAngular rates
InputsThrottle, yaw, pitch, roll stick inputs
BatteryBattery state
MotorsMotor RPM values

Technical notes

  • Written in Python with a Tkinter interface and the standard socket module; packaged as a single-file exe with PyInstaller.
  • Each UDP packet Liftoff sends is 97 bytes and is decoded with a fixed binary format.
  • The app only listens on your local network; no data is sent anywhere.