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search, you can move along previously stretched parallel wires. You can also move along one wire
that is being moved parallel across needed intervals.
3.5 Locating objects
When you find anomaly - stop, find maximum, and cross it one more time in a perpendicular direction.
Center of anomaly is the point of passing through "0" between maximum positive and negative gradient.
Below this point lies either the center of the object or its closest to the surface part. To better locate the
center of the object, turn Filtering off.
If the object is compact and monolithic (not a ravel of wire or cable), its approximate depth is 30-50% of
the anomaly's width.
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