C LATLINPRESCAL : program to correct image amplitudes for effects of CTF and to
C               calculate appropriate weights for output to LATLINE.
C
C       vx 1.0  RH      18.9.93 original program fused from READBOTH + SCALIMAMP
C       vx 1.1  RH      25.7.95 debug of WTFACTOR on move to Dec Alpha
C       vx 1.2  AS      07.07.2003 changed IFILM to 10 digits
C********************************************************************************
C    Control cards:
C
C       Card 1:      NSER,ZMIN,ZMAX     (*)
C                       serial number on ORIGTILT input
C                       and ZSTAR limits to be passed on to LATLINE.
C       Card 2:      IQMAX              (*) 
C                       maximum value of IQ for spots to be used
C
C       INPUT file is raw file straight from ORIGTILT     : on unit FOR001
C       OUTPUT has the format required by LATLINE         : on unit FOR003
C
C*******************************************************************************