NMEA 2000 PGN Reference

Interactive technical reference for all NMEA 2000 Parameter Group Numbers (PGNs), sourced from the canboat open-source database.

Live site: https://ajsb85.github.io/nmea2000-pgn-reference/

Features

• 339 PGN groups · 543 total definitions
• Full field-level specs: type, bit length, resolution, range, units, lookup enumerations
• Bit layout diagram for each PGN — visualizes the on-wire frame
• Sample decoded output for every definition
• Fast/Single-frame filter, full-text search, hash-based deep-links (#pgn-127250)
• Dark / Light / System theme with no flash of unstyled content
• Single static file — no server needed

Usage

npm install
npm run build   # generates docs/index.html
npm start       # build + serve at http://localhost:3000

Data source

All PGN data comes from canboat.json (schema v2.3.0, version 6.2.0).

License

Apache-2.0