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			68 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Fortran
		
	
	
	
	
	
			
		
		
	
	
			68 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Fortran
		
	
	
	
	
	
| program emedop
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| 
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|   real*8 txfreq8
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|   real*8 rxfreq8
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|   real*4 LST
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|   real*4 lat_a
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|   real*4 lat_b
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|   character*80 infile
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|   character*256 jpleph_file_name
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|   common/jplcom/jpleph_file_name
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|   data jpleph_file_name/'JPLEPH'/
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| 
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|   nargs=iargc()
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|   if(nargs.ne.1) then
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|      print*,'Usage: emedop <infile>'
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|      go to 999
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|   endif
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| 
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|   call getarg(1,infile)
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|   open(10,file=infile,status='old',err=900)
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|   read(10,1001) lat_a
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| 1001 format(10x,f12.0)
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|   read(10,1001) wlon_a
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|   read(10,1001) lat_b
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|   read(10,1001) wlon_b
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|   read(10,1001) txfreq8
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|   read(10,1002) nyear,month,nday,ih,im,is
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| 1002 format(10x,i4,2i2,1x,i2,1x,i2,1x,i2)
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|   sec_start=3600.0*ih + 60.0*im + is
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|   read(10,1002) nyear,month,nday,ih,im,is
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|   sec_stop=3600.0*ih + 60.0*im + is
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|   read(10,1001) sec_step
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| 
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|   write(*,1005)
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| 1005 format('  Date       UTC      Tx Freq      Rx Freq    Doppler'/    &
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|             '------------------------------------------------------')
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|   
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|   sec=sec_start
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|   ncalc=(sec_stop - sec_start)/sec_step
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| 
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|   do icalc=1,ncalc
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|      uth=sec/3600.0
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|      call MoonDopJPL(nyear,month,nday,uth,-wlon_a,lat_a,RAMoon,DecMoon,    &
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|           LST,HA,AzMoon,ElMoon,vr_a,techo)
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| 
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|      call MoonDopJPL(nyear,month,nday,uth,-wlon_b,lat_b,RAMoon,DecMoon,    &
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|           LST,HA,AzMoon,ElMoon,vr_b,techo)
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|   
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|      dop_a=-txfreq8*vr_a/2.99792458e5                 !One-way Doppler from a
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|      dop_b=-txfreq8*vr_b/2.99792458e5                 !One-way Doppler to b
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|      doppler=1.e6*(dop_a + dop_b)
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|      rxfreq8=txfreq8 + dop_a + dop_b
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| 
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|      ih=sec/3600.0
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|      im=(sec-ih*3600.0)/60.0
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|      is=nint(mod(sec,60.0))
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|      write(*,1010) nyear,month,nday,ih,im,is,txFreq8,rxFreq8,doppler
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| 1010 format(i4,2i2.2,2x,i2.2,':',i2.2,':',i2.2,2f13.7,f8.1)
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| 
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|      sec=sec + sec_step
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|   enddo
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|   go to 999
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| 900 print*,'Cannot open file ',trim(infile)
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| 999 end program emedop
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| 
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|   
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| 
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