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Technical Notes

(for EM31, EM38, EM61, Grad-601 and Geophysical Data Processing)

Technical Notes for EM38, EM61 and Geophysical Data Processing

This section provides in-depth technical notes covering operation, data acquisition, and data processing for electromagnetic and magnetic survey systems. Topics include EM38 and EM31 conductivity measurements, EM61 metal detection, inversion parameters, drift correction, GPS positioning accuracy and sensor configuration.
These notes are intended for users who require a deeper understanding of instrument behavior and advanced processing options in RTmap, TrackMaker and Multi software. They are designed to help you optimize survey design, troubleshoot issues, and achieve the best possible results from your geophysical surveys.

1. Time Constant Delay Correction in Geophysical Surveys

Time Constant Delay Correction: Reducing the Herringbone Effect in Geophysical Surveys
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