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Use the Shot point, Byte pos. spinbox to set the appropriate byte position.

Check coordinates and scaler
Make sure the X coordinate has 6 digits and that the Y coordinate has 7 digits. In some cases the scaler may be wrong, causing the X and Y values to have to few or to many digits. This can be adjusted by changing the scaler multiplication factor.

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Note

The SEG-Y format states that a negative Scaler denotes division, e.g. Scaler = -10 means divide X and Y with 10. The drop down for fixing the multiplication factorGeocap, on the other hand, uses pure multiplication, e.g. Scaler = 0.1 means multiply X and Y with 0.1.

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