ArchaeoSignal — Archaeological Geophysics Workspace

＋Your magnetic mosaic will appear hereLoad survey files or open the demonstration dataset

Load one or more survey filesX · Y · nT

Tile controls

Select a tile on the canvas or in the list

Automatic mosaic processingall visible tiles

source-safe

Zero levelApplies the chosen zero, a conservative 5 MAD despike, automatically detects row or column traverse striping, and sets one symmetric 2–98% range. Low-pass and high-pass stay off to avoid creating or erasing archaeological anomalies.

Processed range—2nd–98th percentile, nT

σ—standard deviation

Background removalStripe correction

Despike, MADLow-pass, cellsHigh-pass, cells

Gain ×Field offset, nT

Tile display range, nT

Set a filter to 0 to disable it. High-pass removes a smooth regional background; Low-pass suppresses fine high-frequency noise.

Export & palette

Palette Invert paletteData export format

PNG fits all visible tiles and uses a metric scale bar. GRD is Surfer ASCII; ASC is an ESRI-compatible raster. Grid exports preserve empty cells as NoData.