2 5 7 11 21 - --- -- ---- ---------- --------- |X| | |WAMP|XXXXXXXXXX| | - --- -- ---- ---------- --------- | | | | | | | | | | | |_Wave Amplitude (F10.0) | | | | | |_Compulsory Data Record Keyword (A4) | | | |_Optional User Identifier (A2) | |_Compulsory END on Last Data Record in Data Category (A3)