In the geodetic network design, recovered control points are used in combination with new control points.

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Multiple Choice

In the geodetic network design, recovered control points are used in combination with new control points.

Explanation:
Recovered control points are old, established reference points that are reused when forming a new geodetic network. Their main role is to anchor and tie the new network to the existing control network by providing known coordinates, which adds constraints and stability to the adjustment. This combination—new points plus recovered points—gives better geometry, redundancy, and accuracy, without replacing the need for new control points. They aren’t merely for validation or optional; they actively supplement the new points to create a stronger, well-connected network.

Recovered control points are old, established reference points that are reused when forming a new geodetic network. Their main role is to anchor and tie the new network to the existing control network by providing known coordinates, which adds constraints and stability to the adjustment. This combination—new points plus recovered points—gives better geometry, redundancy, and accuracy, without replacing the need for new control points. They aren’t merely for validation or optional; they actively supplement the new points to create a stronger, well-connected network.

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