*-- Author : S.Burke / J.V. Morris
      SUBROUTINE FKRTOZ(SIN,CIN,BZ,COUT)
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*                                                                    *                                        
* Transform a covariance matrix from fixed R to fixed z              *                                        
*                                                                    *                                        
* Assumed to be in terms of (R,PHI)                                  *                                        
*                                                                    *                                        
*                        *** NOT TESTED ***                          *                                        
*                                                                    *                                        
**********************************************************************                                        
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      CALL UCOPY(CIN(3,2),COUT(3,2),38)                                                                
*