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https://github.com/saitohirga/WSJT-X.git
synced 2024-11-03 16:01:18 -05:00
5cee8043ba
Increased xlambda from 12 to 13. Recompiled KVASD_g95 with a one-line change in asd2.c. git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/map65@599 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
87 lines
2.5 KiB
Fortran
87 lines
2.5 KiB
Fortran
subroutine extract(s3,nadd,ncount,nhist,decoded,ltext)
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real s3(64,63)
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real tmp(4032)
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character decoded*22
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integer era(51),dat4(12),indx(64)
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integer mrsym(63),mr2sym(63),mrprob(63),mr2prob(63)
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logical first,ltext
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data first/.true./,nsec1/0/
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save
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nfail=0
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1 call demod64a(s3,nadd,mrsym,mrprob,mr2sym,mr2prob,ntest,nlow)
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if(ntest.lt.50 .or. nlow.gt.20) then
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ncount=-999 !Flag bad data
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go to 900
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endif
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call chkhist(mrsym,nhist,ipk)
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if(nhist.ge.20) then
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nfail=nfail+1
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call pctile(s3,tmp,4032,50,base) ! ### or, use ave from demod64a
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do j=1,63
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s3(ipk,j)=base
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enddo
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go to 1
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endif
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call graycode(mrsym,63,-1)
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call interleave63(mrsym,-1)
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call interleave63(mrprob,-1)
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ndec=1
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nemax=30 !Was 200 (30)
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maxe=8
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xlambda=13.0 !Was 12
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if(ndec.eq.1) then
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call graycode(mr2sym,63,-1)
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call interleave63(mr2sym,-1)
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call interleave63(mr2prob,-1)
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nsec1=nsec1+1
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write(22,rec=1) nsec1,xlambda,maxe,200,
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+ mrsym,mrprob,mr2sym,mr2prob
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call flushqqq(22)
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call runqqq('kvasd.exe','-q',iret)
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if(iret.ne.0) then
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if(first) write(*,1000) iret
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1000 format('Error in KV decoder, or no KV decoder present.'/
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+ 'Return code:',i8,'. Will use BM algorithm.')
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ndec=0
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first=.false.
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go to 20
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endif
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read(22,rec=2) nsec2,ncount,dat4
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decoded=' '
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ltext=.false.
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if(ncount.ge.0) then
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call unpackmsg(dat4,decoded) !Unpack the user message
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if(iand(dat4(10),8).ne.0) ltext=.true.
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endif
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endif
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20 if(ndec.eq.0) then
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call indexx(63,mrprob,indx)
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do i=1,nemax
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j=indx(i)
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if(mrprob(j).gt.120) then
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ne2=i-1
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go to 2
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endif
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era(i)=j-1
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enddo
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ne2=nemax
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2 decoded=' '
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do nerase=0,ne2,2
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call rs_decode(mrsym,era,nerase,dat4,ncount)
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if(ncount.ge.0) then
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call unpackmsg(dat4,decoded)
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go to 900
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endif
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enddo
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endif
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900 return
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end
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