SUBROUTINE KEXB2K(NGAM, ITRK)
 
C  >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
C     Fill covariance matrix in KN track list using the errors from XBAL
C     track list.
C
C  NGAM      Integer variable (read)
C            # of tracks to fill in KN list
C
C  ITRK      Integer variable (read)
C            List of KN tracks.
C  >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>