August 2026 · GNSS pipeline

GNSS & survey provenance

Hardened Bluetooth GNSS, RTK, and CORS/NTRIP — with full metadata on every form response and export so the audit trail survives the field.

Receiver pipeline

  • Improved Bluetooth scan, connection stability, and NMEA parsing with error recovery
  • Receiver connection state, diagnostics counters, hardware model detection
  • RTK engine refactored for faster solution convergence
  • CORS/NTRIP — exponential backoff, configurable TLS, bounded auto-reconnect, GGA interval

Metadata that travels with the point

Survey form submissions capture a GNSS snapshot: receiver model and firmware, fix quality, satellite count, HDOP / VDOP / PDOP, constellation, correction source, and coordinate role (antenna phase center vs. ground point).

CSV, KML, GPX, and GeoJSON exports embed the same provenance per point — from raw observation through averaging to the final coordinate.

Related: Land surveying · Geolocation · Forms · PostGIS sync

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