mirror of
https://github.com/pavel-demin/ft8d.git
synced 2024-11-16 00:51:51 -05:00
94 lines
2.5 KiB
Fortran
94 lines
2.5 KiB
Fortran
program ft8d
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! Decode FT8 data read from *.c2 files.
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include 'ft8_params.f90'
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character infile*80,msg37*37,date*6,time*4
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character msgcall*13,msggrid*4
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character*37 allmessages(100)
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real s(NFFT1,NHSYM)
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real sbase(NFFT1)
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real candidate(3,MAXCAND)
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real*8 dialfreq
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complex dd(NMAX,4)
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logical newdat,lft8apon,lsubtract,ldupe
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integer allsnrs(100)
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integer apsym(KK)
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nargs=iargc()
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if(nargs.ne.1) then
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print*,'Usage: ft8d file'
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go to 999
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endif
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nfa=-1600
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nfb=+1600
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nfqso=0
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call getarg(1,infile)
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open(10,file=infile,status='old',access='stream')
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read(10,end=999) dialfreq,dd
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close(10)
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j2=index(infile,'.c2')
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date=infile(j2-11:j2-6)
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time=infile(j2-4:j2-1)
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do ipart=1,4
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nQSOProgress=0
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ndecodes=0
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n2=0
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allmessages=' '
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allsnrs=0
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ncontest=0
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lft8apon=.false.
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ndepth=1
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if(ndepth.eq.1) npass=1
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if(ndepth.ge.2) npass=3
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do ipass=1,npass
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newdat=.true.
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syncmin=1.5
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if(ipass.eq.1) then
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lsubtract=.true.
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if(ndepth.eq.1) lsubtract=.false.
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elseif(ipass.eq.2) then
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n2=ndecodes
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if(ndecodes.eq.0) cycle
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lsubtract=.true.
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elseif(ipass.eq.3) then
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if((ndecodes-n2).eq.0) cycle
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lsubtract=.false.
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endif
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call sync8(dd(1:NMAX,ipart),nfa+2000,nfb+2000,syncmin, &
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nfqso+2000,s,candidate,ncand,sbase)
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do icand=1,ncand
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sync=candidate(3,icand)
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f1=candidate(1,icand)
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xdt=candidate(2,icand)
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xbase=10.0**(0.1*(sbase(nint(f1/3.125))-40.0))
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call ft8b(dd(1:NMAX,ipart),newdat,nQSOProgress,nfqso+2000, &
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nftx,ndepth,lft8apon,lapcqonly,napwid,lsubtract,nagain, &
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ncontest,iaptype,f1,xdt,xbase,apsym,nharderrors,dmin, &
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nbadcrc,iappass,msg37,msgcall,msggrid,xsnr)
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nsnr=nint(xsnr)
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xdt=xdt-0.5
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hd=nharderrors+dmin
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if(nbadcrc.eq.0.and.msgcall(1:1).ne.' '.and.msgcall(1:1).ne.'<') then
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ldupe=.false.
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do id=1,ndecodes
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if(msg37.eq.allmessages(id).and.nsnr.le.allsnrs(id)) ldupe=.true.
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enddo
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if(.not.ldupe) then
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ndecodes=ndecodes+1
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allmessages(ndecodes)=msg37
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allsnrs(ndecodes)=nsnr
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endif
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write(*,1004) date,time,15*(ipart-1),min(sync,999.0),nint(xsnr), &
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xdt,nint(f1-2000+dialfreq),msgcall,msggrid
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1004 format(a6,1x,a4,i2.2,f6.1,i4,f6.2,i9,1x,a13,1x,a4)
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endif
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enddo
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enddo
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enddo ! ipart loop
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999 end program ft8d
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