mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-11-13 23:51:49 -05:00
34 lines
1001 B
Fortran
34 lines
1001 B
Fortran
subroutine txpol(xpol,decoded,mygrid,npol,nxant,ntxpol,cp)
|
|
|
|
! If Tx station's grid is in decoded message, compute optimum TxPol
|
|
character*22 decoded
|
|
character*6 mygrid,grid
|
|
character*1 cp
|
|
logical xpol
|
|
|
|
ntxpol=0
|
|
i1=index(decoded,' ')
|
|
i2=index(decoded(i1+1:),' ') + i1
|
|
grid=' '
|
|
if(i2.ge.8 .and. i2.le.18) grid=decoded(i2+1:i2+4)//'mm'
|
|
ntxpol=0
|
|
cp=' '
|
|
if(xpol .and.grid(1:4).ne.'RR73') then
|
|
if(grid(1:1).ge.'A' .and. grid(1:1).le.'R' .and. &
|
|
grid(2:2).ge.'A' .and. grid(2:2).le.'R' .and. &
|
|
grid(3:3).ge.'0' .and. grid(3:3).le.'9' .and. &
|
|
grid(4:4).ge.'0' .and. grid(4:4).le.'9') then
|
|
ntxpol=mod(npol-nint(2.0*dpol(mygrid,grid))+720,180)
|
|
if(nxant.eq.0) then
|
|
cp='H'
|
|
if(ntxpol.gt.45 .and. ntxpol.le.135) cp='V'
|
|
else
|
|
cp='/'
|
|
if(ntxpol.ge.90 .and. ntxpol.lt.180) cp='\'
|
|
endif
|
|
endif
|
|
endif
|
|
|
|
return
|
|
end subroutine txpol
|