Meteorology:

Shortcut to Meteorology page of Point Calculation dialog box.

Point :

Opens dialog box to permit point calculations.

L10(18 hour)

CoRTN model only.  Point and Batch calculation option.  Either L10(18 hour) or L10(1 hour).

L10(1 hour)

CoRTN model only.  Point and Batch calculation option.  Either L10(18 hour) or L10(1 hour).

On ground:

CoRTN model only.  On ground ignores the height to the road and defaults to the underlying ground terrain.  Use this option if the DTM has sufficient detail under and along the road.  Toggle this off and PEN3D calculates the ground height for the road from the underlying DTM.

Batch Setup:

Batch runs calculate one parameter.  Use this option to select between Railway Maximum or Railway Leq calculations.

Batch:

Run multiple data files sequentially.