WSJT-X/lib/fmeasure.f90

76 lines
2.3 KiB
Fortran

!-------------------------------------------------------------------------------
!
! This file is part of the WSPR application, Weak Signal Propagation Reporter
!
! File Name: fmeasure.f90
! Description:
!
! Copyright (C) 2001-2014 Joseph Taylor, K1JT
! License: GPL-3
!
! This program is free software; you can redistribute it and/or modify it under
! the terms of the GNU General Public License as published by the Free Software
! Foundation; either version 3 of the License, or (at your option) any later
! version.
!
! This program is distributed in the hope that it will be useful, but WITHOUT
! ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
! FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
! details.
!
! You should have received a copy of the GNU General Public License along with
! this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
! Street, Fifth Floor, Boston, MA 02110-1301, USA.
!
!-------------------------------------------------------------------------------
program fmeasure
parameter(NZ=1000)
implicit real*8 (a-h,o-z)
character infile*50
character line*80
nargs=iargc()
if(nargs.ne.1) then
print*,'Usage: fmeasure <infile>'
print*,'Example: fmeasure fmtave.out'
go to 999
endif
call getarg(1,infile)
open(10,file=infile,status='old',err=997)
open(11,file='fcal.out',status='old',err=998)
open(12,file='fmeasure.out',status='unknown')
read(11,*) a,b
write(*,1000)
write(12,1000)
1000 format(' Freq DF A+B*f Corrected Offset'/ &
' (MHz) (Hz) (Hz) (MHz) (Hz)'/ &
'-----------------------------------------------')
i=0
do j=1,9999
read(10,1010,end=999) line
1010 format(a80)
i0=index(line,' 0 ')
if(i0.gt.0) then
read(line,*,err=5) f,df
dial_error=a + b*f
fcor=f + 1.d-6*df - 1.d-6*dial_error
offset_hz=1.d6*(fcor-f)
write(*,1020) f,df,dial_error,fcor,offset_hz
write(12,1020) f,df,dial_error,fcor,offset_hz
1020 format(3f8.3,f15.9,f8.2)
endif
5 continue
enddo
go to 999
997 print*,'Cannot open input file: ',infile
go to 999
998 print*,'Cannot open fcal.out'
999 end program fmeasure