This data record is used to output the relative vertical distance from the undiffracted wave surface to a node defined in a NODE data record. All nodes defined in NODE data records in Data Category 18 will be affected except those for relative distances between two nodes.
2 5 7 11 - --- -- ---- |X| | |ZRWS| - --- -- ---- | | | | | | | | | | | |_Data Record Keyword (A4) | | | |_Optional User Identifier (A2) | |_Compulsory END on last data record in Data Category (A3)