Calculation will run with almost 2-fold (Dual Core) or 4-fold (Quad-Core) the speed.
Calculation will run up to 16-fold the speed. (Requires multiple networked sufficient PCs; Special Installation knowledge required.)

Consecutive number of a receptor point. NR is just used internally. When inserting rows, the relation to the collectives will change.
The distance of a receptor point is to be set in meters.
Enter the height of the receptor points in meters here.