1.2.24. card20

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C20 PERIODIC FORCING (TIDAL) SURF ELEV OR PRESSURE ON EAST OPEN BOUNDARIES
*
*  IPBE: SEE CARD 18
*  JPBE:
*  ISPBE:
*  NPFORE:
*  NPSERE:
*  TPCOORDE: 
*  GRPID: ID NUMBER OF BOUNDARY GROUP
*
C20    IPBE    JPBE   ISPBE  NPFORE  NPSERE      GRPID ! ID