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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/map65@334 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
25 lines
576 B
Fortran
25 lines
576 B
Fortran
real function ftsky(l,b)
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C Returns 408 MHz sky temperature for l,b (in degrees), from
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C Haslam, et al. survey. Must have already read the entire
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C file tsky.dat into memory.
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real*4 l,b
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integer*2 nsky
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common/sky/ nsky(360,180)
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save
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j=nint(b+91.0)
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if(j.gt.180) j=180
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xl=l
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if(xl.lt.0.0) xl=xl+360.0
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i=nint(xl+1.0)
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if(i.gt.360) i=i-360
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ftsky=0.0
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if(i.ge.1 .and. i.le.360 .and. j.ge.1 .and. j.le.180) then
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ftsky=0.1*nsky(i,j)
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endif
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return
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end
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