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47 lines
1.7 KiB
Fortran
47 lines
1.7 KiB
Fortran
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subroutine badmsg(irc,dat,nc1,nc2,ng2)
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! Get rid of a few QRA64 false decodes that cannot be correct messages.
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integer dat(12) !Decoded message (as 12 integers)
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ic1=ishft(dat(1),22) + ishft(dat(2),16) + ishft(dat(3),10)+ &
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ishft(dat(4),4) + iand(ishft(dat(5),-2),15)
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! Test for "......" or "CQ 000"
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if(ic1.eq.262177560 .or. ic1.eq.262177563) then
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irc=-1
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return
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endif
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ic2=ishft(iand(dat(5),3),26) + ishft(dat(6),20) + &
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ishft(dat(7),14) + ishft(dat(8),8) + ishft(dat(9),2) + &
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iand(ishft(dat(10),-4),3)
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ig=ishft(iand(dat(10),15),12) + ishft(dat(11),6) + dat(12)
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! Test for blank, -01 to -30, R-01 to R-30, RO, RRR, 73
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if(ig.ge.32401 .and. ig.le.32464) return
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if(ig.ge.14220 .and. ig.le.14229) return !-41 to -50
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if(ig.ge.14040 .and. ig.le.14049) return !-31 to -40
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if(ig.ge.13320 .and. ig.le.13329) return !+00 to +09
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if(ig.ge.13140 .and. ig.le.13149) return !+10 to +19
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if(ig.ge.12960 .and. ig.le.12969) return !+20 to +29
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if(ig.ge.12780 .and. ig.le.12789) return !+30 to +39
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if(ig.ge.12600 .and. ig.le.12609) return !+40 to +49
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if(ig.ge.12420 .and. ig.le.12429) return !R-41 to R-50
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if(ig.ge.12240 .and. ig.le.12249) return !R-31 to R-40
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if(ig.ge.11520 .and. ig.le.11529) return !R+00 to R+09
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if(ig.ge.11340 .and. ig.le.11349) return !R+10 to R+19
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if(ig.ge.11160 .and. ig.le.11169) return !R+20 to R+29
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if(ig.ge.10980 .and. ig.le.10989) return !R+30 to R+39
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if(ig.ge.10800 .and. ig.le.10809) return !R+40 to R+49
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if(ic1.eq.nc1 .and. ic2.eq.nc2 .and. ng2.ne.32401 .and. ig.ne.ng2) irc=-1
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return
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end subroutine badmsg
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