Preview RF recordings in the browser
Inspect a recording before you move a multi-terabyte file. SigDrive's browser-based spectrogram viewer supports preview, annotation, and analysis inside controlled environments.
Interactive Spectrogram Viewer
Request a demo to see it in action
Visualization Features
Analysis tools built for RF engineers working with large captures.
Web-Based Spectrogram
View spectrograms in the browser before downloading a full recording or moving it to an analysis workstation.
Region of Interest (ROI) Annotation
Draw boxes around signals of interest, label emissions, tag anomalies, and leave notes for other analysts.
Pan & Zoom Navigation
Pan and zoom through large recordings to inspect the time and frequency ranges that matter.
Signal Classification Labels
Apply classification labels to annotated regions. Build tagged datasets for machine learning training workflows.
Configurable Color Maps
Choose standard color palettes or configure views for different signal types and analysis habits.
Segment Export
Export selected time/frequency regions as standalone files. Extract exactly the data you need without downloading the full recording.
Annotation Workflow
A simple path from preview to labeled export.
Visualize
Open a recording and inspect the spectrogram in your browser
Annotate
Draw regions of interest and apply signal labels
Export
Export labeled segments for downstream ML workflows
Experience the Viewer
See how SigDrive helps teams preview and label RF recordings.