WSJT-X/lib/astro0.f90

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2.1 KiB
Fortran
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subroutine astro0(nyear,month,nday,uth8,freq8,mygrid,hisgrid, &
AzSun8,ElSun8,AzMoon8,ElMoon8,AzMoonB8,ElMoonB8,ntsky,ndop,ndop00, &
dbMoon8,RAMoon8,DecMoon8,HA8,Dgrd8,sd8,poloffset8,xnr8,dfdt,dfdt0, &
width1,width2,xlst8,techo8)
parameter (DEGS=57.2957795130823d0)
character*6 mygrid,hisgrid
real*8 AzSun8,ElSun8,AzMoon8,ElMoon8,AzMoonB8,ElMoonB8
real*8 dbMoon8,RAMoon8,DecMoon8,HA8,Dgrd8,xnr8,dfdt,dfdt0,dt
real*8 sd8,poloffset8,width1,width2,xlst8
real*8 uth8,techo8,freq8
real*8 xl,b
common/librcom/xl(2),b(2)
data uth8z/0.d0/
save
uth=uth8
call astro(nyear,month,nday,uth,freq8,hisgrid,2,1, &
AzSun,ElSun,AzMoon,ElMoon,ntsky,doppler00,doppler, &
dbMoon,RAMoon,DecMoon,HA,Dgrd,sd,poloffset,xnr, &
day,xlon2,xlat2,xlst,techo)
AzMoonB8=AzMoon
ElMoonB8=ElMoon
xl2=xl(1)
xl2a=xl(2)
b2=b(1)
b2a=b(2)
call astro(nyear,month,nday,uth,freq8,mygrid,1,1, &
AzSun,ElSun,AzMoon,ElMoon,ntsky,doppler00,doppler, &
dbMoon,RAMoon,DecMoon,HA,Dgrd,sd,poloffset,xnr, &
day,xlon1,xlat1,xlst,techo)
xl1=xl(1)
xl1a=xl(2)
b1=b(1)
b1a=b(2)
techo8=techo
fghz=1.d-9*freq8
dldt1=DEGS*(xl1a-xl1)
dbdt1=DEGS*(b1a-b1)
dldt2=DEGS*(xl2a-xl2)
dbdt2=DEGS*(b2a-b2)
rate1=2.0*sqrt(dldt1**2 + dbdt1**2)
width1=0.5*6741*fghz*rate1
rate2=sqrt((dldt1+dldt2)**2 + (dbdt1+dbdt2)**2)
width2=0.5*6741*fghz*rate2
AzSun8=AzSun
ElSun8=ElSun
AzMoon8=AzMoon
ElMoon8=ElMoon
dbMoon8=dbMoon
RAMoon8=RAMoon/15.0
DecMoon8=DecMoon
HA8=HA
xlst8=xlst
Dgrd8=Dgrd
sd8=sd
poloffset8=poloffset
xnr8=xnr
ndop=nint(doppler)
ndop00=nint(doppler00)
if(uth8z.eq.0.d0) then
uth8z=uth8-1.d0/3600.d0
dopplerz=doppler
doppler00z=doppler00
endif
dt=60.0*(uth8-uth8z)
if(dt.le.0) dt=1.d0/60.d0
dfdt=(doppler-dopplerz)/dt
dfdt0=(doppler00-doppler00z)/dt
uth8z=uth8
dopplerz=doppler
doppler00z=doppler00
return
end subroutine astro0