*-- Author : S.Burke / J.V. Morris
      SUBROUTINE FKCOPY(C1,C2)
**********************************************************************                                        
*                                                                    *                                        
* Copy a 5*5 covariance matrix from C1 to C2, lower half only        *                                        
*                                                                    *                                        
**********************************************************************                                        
                                                                        
      DOUBLE PRECISION C1(5,5),C2(5,5)                                  
                                                                        
      C2(1,1) = C1(1,1)                                                 
      C2(2,1) = C1(2,1)                                                 
      C2(3,1) = C1(3,1)                                                 
      C2(4,1) = C1(4,1)                                                 
      C2(5,1) = C1(5,1)                                                 
      C2(2,2) = C1(2,2)                                                 
      C2(3,2) = C1(3,2)                                                 
      C2(4,2) = C1(4,2)                                                 
      C2(5,2) = C1(5,2)                                                 
      C2(3,3) = C1(3,3)                                                 
      C2(4,3) = C1(4,3)                                                 
      C2(5,3) = C1(5,3)                                                 
      C2(4,4) = C1(4,4)                                                 
      C2(5,4) = C1(5,4)                                                 
      C2(5,5) = C1(5,5)                                                 
                                                                        
      RETURN                                                            
      END                                                               
*