mirror of https://github.com/saitohirga/WSJT-X.git
116 lines
2.3 KiB
Fortran
116 lines
2.3 KiB
Fortran
subroutine display
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use dfport
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parameter (MAXLINES=500,MX=500)
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integer indx(MAXLINES),indx2(MX)
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character*80 line(MAXLINES),line2(MX),line3(MAXLINES)
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character out*41,cfreq0*3
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real freqkHz(MAXLINES)
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integer utc(MAXLINES),utc2(MX),utcz
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real*8 f0
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data nkeep/20/
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ftol=0.02
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rewind 26
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do i=1,MAXLINES
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read(26,1010,end=10) line(i)
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1010 format(a80)
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read(line(i),1020) f0,ndf,nh,nm
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1020 format(f7.3,i5,26x,i3,i2)
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utc(i)=60*nh + nm
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freqkHz(i)=1000.d0*(f0-144.d0) + 0.001d0*ndf
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enddo
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10 nz=i-1
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utcz=utc(nz)
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ndiff=utcz-utc(1)
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if(ndiff.lt.0) ndiff=ndiff+1440
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if(ndiff.gt.nkeep) then
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do i=1,nz
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ndiff=utcz-utc(i)
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if(ndiff.lt.0) ndiff=ndiff+1440
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if(ndiff.le.nkeep) go to 20
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enddo
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20 i0=i
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nz=nz-i0+1
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rewind 26
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do i=1,nz
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j=i+i0-1
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line(i)=line(j)
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utc(i)=utc(j)
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freqkHz(i)=freqkHz(j)
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write(26,1010) line(i)
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enddo
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endif
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call indexx(nz,freqkHz,indx)
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nstart=1
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k3=0
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k=1
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line2(1)=line(indx(1))
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utc2(1)=utc(indx(1))
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do i=2,nz
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j0=indx(i-1)
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j=indx(i)
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if(freqkHz(j)-freqkHz(j0).gt.ftol) then
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if(nstart.eq.0) then
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k=k+1
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line2(k)=""
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utc2(k)=-1
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endif
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kz=k
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if(nstart.eq.1) then
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call indexx(kz,utc2,indx2)
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k3=0
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do k=1,kz
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k3=k3+1
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line3(k3)=line2(indx2(k))
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enddo
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nstart=0
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else
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call indexx(kz,utc2,indx2)
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do k=1,kz
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k3=k3+1
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line3(k3)=line2(indx2(k))
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enddo
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endif
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k=0
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endif
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if(i.eq.nz) then
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k=k+1
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line2(k)=""
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utc2(k)=-1
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endif
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k=k+1
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line2(k)=line(j)
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utc2(k)=utc(j)
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j0=j
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enddo
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kz=k
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call indexx(kz,utc2,indx2)
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do k=1,kz
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k3=k3+1
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line3(k3)=line2(indx2(k))
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enddo
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rewind 19
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cfreq0=' '
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do k=1,k3
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out=line3(k)(5:12)//line3(k)(28:31)//line3(k)(39:67)
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if(out(1:3).ne.' ') then
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if(out(1:3).eq.cfreq0) then
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out(1:3)=' '
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else
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cfreq0=out(1:3)
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endif
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write(19,1030) out
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1030 format(a41)
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endif
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enddo
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return
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end subroutine display
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