*-- Author :    Stephen J. Maxfield   17/11/92
      SUBROUTINE FRAPKR
*     Link helices...2,3-module fits...                                                                       
      CALL  FTLINK
*     Pick up planar segments...                                                                              
      CALL  FRPKPL
*                                                                                                             
*                                                                                                             
*        Planar Segment finding.                                                                              
*