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WaveDigger: Dig into wireless signals to discover their physical locations

github.com78 points12 comments
Screenshot of WaveDigger: Dig into wireless signals to discover their physical locations

WaveDigger is a web tool for locating wireless infrastructure by querying Apple's WLOC service: it accepts Wi‑Fi BSSIDs (MAC addresses) and cellular identifiers for LTE and 5G NR and plots results on an interactive deck.gl map. Key features include automatic formatting/validation of BSSID inputs in multiple formats, LTE and NR cell lookups (MCC, MNC, TAC, Cell ID or NCI), NR searches that return the target cell plus surrounding cluster cells, search history, responsive UI, and optional Mapbox tiles. Built with Next.js and TypeScript, the frontend uses react-map-gl and Tailwind CSS; a hosted demo is available and development requires Node.js 24+.

WaveDigger implements Apple's real WLOC API using protobuf definitions from apple-corelocation-experiments, handling Apple’s int64 coordinate encoding (8 decimal places) and supporting region endpoints including China. Requests are sent to gs-loc.apple.com/clls/wloc. The README documents installation (npm install, npm run dev), testing with real BSSIDs (not all MACs are present in Apple’s database), and planned features such as JSON/CSV export and TAC-cluster browsing. The project is released under AGPL-3.0, which requires publishing modified source if the service is run publicly.

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