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Webinar: SliceView GPR

Collecting GPR data in a grid and generating 2D depth slices is a powerful way to reveal targets and understand the spatial relationships between subsurface reflectors; applicable for many GPR applications including utility-locating, archaeology, forensics, and concrete scanning. The SliceView module in the EKKO_Project software is used to process GPR grid data and output depth slices. 00:00 - Introduction to collecting data in grids and depth slices 03:30 – Opening a GPR Grid in EKKO_Project 05:00 – Selecting a GPR grid line in Project Explorer and viewing it in Line Preview 06:30 – Selecting a GPR grid line in Project Explorer and viewing it in MapView 07:25 - Flags/Fiducials in GPR grid data 08:40 – GPS position in MapView 09:16 – Processing Grid data in SliceView 15:08 – Gaining GPR lines 16:30 – How depth slices are indicated on the GPR line 17:20 – Depth slicing through the grid data 18:50 – Gaining the depth slices 20:08 – Calibrating for velocity 23:38 – Interpreting depth slices 25:25 - Relationship between depth slices and GPR grid lines 27:30 – Measuring the size of a target on a depth slice 28:02 – Background subtraction filter to improve depth slices 31:50 – Data processing parameters – slice thickness, overlap, slice resolution. 34:37 – Turn off grid lines on the depth slice 35:00 – Understanding and interpreting depth slices 36:56 – Grid collection advice for making the best depth slices – proper line spacing 39:15 – Saving and outputting images from SliceView – GPR Summary Report 40:46 – Showing depth slices on Google Earth 42:56 – Exporting depth slices to CSV, Surfer GRD and 3D files 44:31 – Depth slices in MapView 45:09 – Depth slicing multiple grids simultaneously in MapView 46:44 – Adding Global positioning to a grid collected without GPS 51:34 - End