subroutine decode65b(s2,nflip,mode65,nbmkv,nhist,decoded) real s2(66,126) real s3(64,63) logical first,ltext character decoded*22 common/prcom/pr(126),mdat(126),mref(126,2),mdat2(126),mref2(126,2) data first/.true./ save if(first) call setup65 first=.false. do j=1,63 k=mdat(j) !Points to data symbol if(nflip.lt.0) k=mdat2(j) do i=1,64 s3(i,j)=s2(i+2,k) enddo k=mdat2(j) !Points to data symbol if(nflip.lt.0) k=mdat(j) enddo nadd=mode65 call extract(s3,nadd,ncount,nhist,decoded,ltext,nbmkv) !Extract the message ! Suppress "birdie messages" and other garbage decodes: if(decoded(1:7).eq.'000AAA ') ncount=-1 if(decoded(1:7).eq.'0L6MWK ') ncount=-1 if(nflip.lt.0 .and. ltext) ncount=-1 if(ncount.lt.0) then nbmkv=0 decoded=' ' endif return end subroutine decode65b