mirror of https://github.com/saitohirga/WSJT-X.git
170 lines
4.6 KiB
Fortran
170 lines
4.6 KiB
Fortran
subroutine deep4(sym0,neme,flip,mycall,hiscall,hisgrid,decoded,qual)
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! Deep search routine for JT4
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use prog_args
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parameter (MAXCALLS=7000,MAXRPT=63)
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real*4 sym0(206),sym(206)
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character callsign*12,grid*4,message*22,hisgrid*6,ceme*3
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character*12 mycall,hiscall
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character mycall0*12,hiscall0*12,hisgrid0*6
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character*22 decoded
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character*22 testmsg(2*MAXCALLS + 2 + MAXRPT)
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character*15 callgrid(MAXCALLS)
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character*180 line
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character*4 rpt(MAXRPT)
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integer ncode(206)
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real*4 code(206,2*MAXCALLS + 2 + MAXRPT)
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real pp(2*MAXCALLS + 2 + MAXRPT)
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data neme0/-99/
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data rpt/'-01','-02','-03','-04','-05', &
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'-06','-07','-08','-09','-10', &
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'-11','-12','-13','-14','-15', &
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'-16','-17','-18','-19','-20', &
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'-21','-22','-23','-24','-25', &
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'-26','-27','-28','-29','-30', &
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'R-01','R-02','R-03','R-04','R-05', &
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'R-06','R-07','R-08','R-09','R-10', &
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'R-11','R-12','R-13','R-14','R-15', &
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'R-16','R-17','R-18','R-19','R-20', &
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'R-21','R-22','R-23','R-24','R-25', &
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'R-26','R-27','R-28','R-29','R-30', &
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'RO','RRR','73'/
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save mycall0,hiscall0,hisgrid0,neme0,ntot,code,testmsg
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sym=sym0
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if(mycall.eq.mycall0 .and. hiscall.eq.hiscall0 .and. &
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hisgrid.eq.hisgrid0 .and. neme.eq.neme0) go to 30
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open(23,file=trim(data_dir)//'/CALL3.TXT',status='unknown')
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k=0
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icall=0
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do n=1,MAXCALLS
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if(n.eq.1) then
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callsign=hiscall
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do i=4,12
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if(ichar(callsign(i:i)).eq.0) callsign(i:i)=' '
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enddo
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grid=hisgrid(1:4)
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if(ichar(grid(3:3)).eq.0) grid(3:3)=' '
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if(ichar(grid(4:4)).eq.0) grid(4:4)=' '
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else
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read(23,1002,end=20) line
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1002 format (A80)
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if(line(1:4).eq.'ZZZZ') go to 20
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if(line(1:2).eq.'//') go to 10
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i1=index(line,',')
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if(i1.lt.4) go to 10
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i2=index(line(i1+1:),',')
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if(i2.lt.5) go to 10
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i2=i2+i1
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i3=index(line(i2+1:),',')
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if(i3.lt.1) i3=index(line(i2+1:),' ')
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i3=i2+i3
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callsign=line(1:i1-1)
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grid=line(i1+1:i2-1)
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ceme=line(i2+1:i3-1)
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if(neme.eq.1 .and. ceme.ne.'EME') go to 10
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endif
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icall=icall+1
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j1=index(mycall,' ') - 1
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if(j1.le.-1) j1=12
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if(j1.lt.3) j1=6
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j2=index(callsign,' ') - 1
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if(j2.le.-1) j2=12
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if(j2.lt.3) j2=6
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j3=index(mycall,'/') ! j3>0 means compound mycall
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j4=index(callsign,'/') ! j4>0 means compound hiscall
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callgrid(icall)=callsign(1:j2)
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mz=1
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! Allow MyCall + HisCall + rpt (?)
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if(n.eq.1 .and. j3.lt.1 .and. j4.lt.1 .and. callsign(1:6).ne.' ') &
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mz=MAXRPT+1
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do m=1,mz
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if(m.gt.1) grid=rpt(m-1)
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if(j3.lt.1 .and.j4.lt.1) callgrid(icall)=callsign(1:j2)//' '//grid
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message=mycall(1:j1)//' '//callgrid(icall)
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k=k+1
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testmsg(k)=message
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call encode4(message,ncode)
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code(1:206,k)=2*ncode(1:206)-1
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if(n.ge.2) then
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! Insert CQ message
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if(j4.lt.1) callgrid(icall)=callsign(1:j2)//' '//grid
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message='CQ '//callgrid(icall)
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k=k+1
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testmsg(k)=message
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call encode4(message,ncode)
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code(1:206,k)=2*ncode(1:206)-1
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endif
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enddo
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10 continue
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enddo
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20 continue
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close(23)
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ntot=k
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30 mycall0=mycall
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hiscall0=hiscall
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hisgrid0=hisgrid
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neme0=neme
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sq=0.
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do j=1,206
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sq=sq + sym(j)**2
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enddo
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rms=sqrt(sq/206.0)
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sym=sym/rms
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p1=-1.e30
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p2=-1.e30
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do k=1,ntot
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pp(k)=0.
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! Should re-instate the following:
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! if(k.ge.2 .and. k.le.64 .and. flip.gt.0.0) cycle
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! Test all messages if flip=+1; skip the CQ messages if flip=-1.
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if(flip.gt.0.0 .or. testmsg(k)(1:3).ne.'CQ ') then
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p=0.
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do j=1,206
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p=p + code(j,k)*sym(j)
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enddo
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pp(k)=p
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if(p.gt.p1) then
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p1=p
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ip1=k
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endif
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endif
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enddo
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do i=1,ntot
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if(pp(i).gt.p2 .and. testmsg(i).ne.testmsg(ip1)) p2=pp(i)
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enddo
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qual=p1-max(1.15*p2,70.0)
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! ### DO NOT REMOVE ###
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rewind 77
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if(ip1.ge.1 .and. ip1.le.2*MAXCALLS+2+MAXRPT) write(77,1001) p1,p2,ntot, &
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rms,qual,ip1,testmsg(ip1)
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1001 format(2f8.2,i8,2f8.2,i6,2x,a22)
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call flush(77)
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if(qual.gt.1.0) then
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decoded=testmsg(ip1)
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else
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decoded=' '
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qual=0.
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endif
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! Make sure everything is upper case.
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do i=1,22
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if(decoded(i:i).ge.'a' .and. decoded(i:i).le.'z') &
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decoded(i:i)=char(ichar(decoded(i:i))-32)
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enddo
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return
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end subroutine deep4
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