WSJT-X/lib/emedop.f90

68 lines
1.8 KiB
Fortran

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