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34 lines
1001 B
Fortran
34 lines
1001 B
Fortran
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subroutine txpol(xpol,decoded,mygrid,npol,nxant,ntxpol,cp)
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! If Tx station's grid is in decoded message, compute optimum TxPol
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character*22 decoded
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character*6 mygrid,grid
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character*1 cp
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logical xpol
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ntxpol=0
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i1=index(decoded,' ')
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i2=index(decoded(i1+1:),' ') + i1
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grid=' '
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if(i2.ge.8 .and. i2.le.18) grid=decoded(i2+1:i2+4)//'mm'
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ntxpol=0
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cp=' '
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if(xpol .and.grid(1:4).ne.'RR73') then
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if(grid(1:1).ge.'A' .and. grid(1:1).le.'R' .and. &
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grid(2:2).ge.'A' .and. grid(2:2).le.'R' .and. &
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grid(3:3).ge.'0' .and. grid(3:3).le.'9' .and. &
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grid(4:4).ge.'0' .and. grid(4:4).le.'9') then
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ntxpol=mod(npol-nint(2.0*dpol(mygrid,grid))+720,180)
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if(nxant.eq.0) then
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cp='H'
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if(ntxpol.gt.45 .and. ntxpol.le.135) cp='V'
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else
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cp='/'
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if(ntxpol.ge.90 .and. ntxpol.lt.180) cp='\'
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endif
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endif
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endif
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return
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end subroutine txpol
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