NMEAAUDIT · PROFESSIONAL BROWSER TOOL
Let serial logs pass checksum and framing checks before positioning or marine troubleshooting.
Audit common NMEA 0183 framing, the 82-character boundary, Talker/Formatter IDs, and XOR checksums locally, with bounded RMC/GGA summaries for fix state, coordinates, satellites, and speed.
Open the workbench ↓01 · WORKBENCH
Inputs and files stay on this device
Processed locally
/Focus first input⌘ ↵Run primary action⌘ ⇧ SDownload local reportAlt RJump to latest resultsAlt LSwitch languageAlt TSwitch themeAlt CToggle high contrast
Local report studioPreview · Markdown · JSON · SHA-256
SHA-256
—Uses only the currently visible result summary, never input controls or original files; the fingerprint is also calculated locally.
Local analysis checkpointsUp to 5 · saved only when you choose
Stores only the visible result summary, time, and an optional short label; imported files and input controls are never stored. Imports must match this tool and stay under 128KB; comparison also stays on this device.
02 · CAPABILITIES
Built deeply for one narrow workflow
Talker and Formatter ledger
Bounded RMC/GGA position summaries
The formal NMEA 0183 standard is copyrighted. This tool implements only public common framing and bounded RMC/GGA fields; it does not replace the standard and is not for navigation, safety, certification, or control.
Read the source ↗NO ACCOUNT · LOCAL PROCESSING · EXPORTABLE