PROGRAM ch1111 IMPLICIT NONE REAL , DIMENSION(-180:180) :: Time=0 INTEGER :: Degree,Strip REAL :: Value CHARACTER (LEN=1) , DIMENSION(-180:180) & :: Direction=' ' DO Degree=-180,165,15 Value=Degree/15. DO Strip=0,14 Time(Degree+Strip)=Value ENDDO ENDDO DO Degree=-180,180 PRINT *,Degree,' ',Time(Degree) END DO WHERE (Time > 0.0) Direction='E' ELSEWHERE (Time < 0.0) Direction='W' ENDWHERE PRINT *,direction END PROGRAM ch1111