SeaFix phone sensor probe

Test only at a safe stationary landmark. Raw angles and experimental axis azimuth are diagnostics, not a verified pollution bearing. This page never submits a report.

Reporter location

Orientation

Compare against an independently established landmark direction. Nothing is saved or uploaded.

Reference bearing, degrees clockwise from true north Reference uncertainty, degrees

Camera and gallery

Select a gallery image to invalidate live heading

Private test summary

The downloaded JSON omits coordinates, raw angles, image contents and measured bearings. Check it before sharing.