Calculation will run with almost 4-fold (Quad Core) or 8-fold (8-Core) the speed.

Consecutive number of a receptor point. NR is just used internally. When inserting rows, the relation to the collectives will change.
The receptor point-coordinates are usually derived from the Gauss-Krüger-System, however they can be defined freely. The coordinates' unit is meters.
The receptor point height in meters; 1.5 m is standard.
see Operation within the tables
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