I would like to share another hobby project of mine — the Spektrum Telemetry Log File Viewer, als...I would like to share another hobby project of mine — the Spektrum Telemetry Log File Viewer, als...
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Marina Petrichenko
• 16h
I would like to share another hobby project of mine — the Spektrum Telemetry Log File Viewer, also known as TLM Viewer. My husband and I created this project together.
This is a rather specific project created for RC model enthusiasts. If you fly planes, helicopters, or drones and use telemetry-enabled Spektrum transmitters from the DX, iX, or NX series, you know they can record flight logs. However, viewing and analyzing that data comfortably can be a challenge.
That is exactly why we built TLM Viewer.
What can this application do?
View and fix log files: It easily reads telemetry files (.TLM) and can even repair corrupted data, which was a common issue with older transmitter firmware versions.
Graph flight data: You can turn raw sensor data into fully customizable graphs, adjust line colors, and zoom in to study every moment of your flight in detail.
Map your flight path: The software extracts GPS sensor data and exports it into a KML file. You can open this file in Google Earth to view a 3D track of your actual flight.
Clean and export records: You can filter out invalid data, delete bad rows, customize columns, or copy records directly to your clipboard to paste them into Excel.
Key details: The application is completely free and very lightweight. It is designed for Windows and requires no installation — you just unpack the ZIP archive and run it.
This is an open-source project. The entire source code is available under the AGPLv3 license, allowing other developers and enthusiasts to explore the logic and contribute to the RC community.
You can check out the documentation and download the app on the official website: tlmviewer.com
You can find the source code or contribute to development on GitHub: https://github.com/DroneTales/TLMViewer
Feedback, suggestions, and GitHub stars are always welcome. We hope this tool helps you get a better insight into how your models perform in the air.
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