11.3. Selecting the Constraints

For session processing, NGS recommends constraining only the hub in all three dimensions (“3D” - latitude, longitude, and ellipsoid height). All other CORSs are unconstrained, as are all user marks. If a mark is selected as a constraint, the coordinate fields in OP become editable, but note that NGS does not recommend altering any coordinate except under exceptional circumstances.

Caution

NGS does not recommend altering any coordinates during session processing

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