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More conversions of .f to .f90. 

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/map65@7474 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Joe Taylor 2017-01-10 16:20:25 +00:00
parent 9dd0cddffa
commit e5c1c14543
17 changed files with 360 additions and 364 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
libm65/CMakeLists.txt
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@ -88,11 +88,19 @@ set (FSRCS
getdphi.f90
getpfx1.f90
getpfx2.f90
graycode.f90
graycode65.f90
grid2deg.f90
grid2k.f90
indexx.f90
interleave63.f90
iqcal.f90
iqfix.f90
jt65code.f90
k2grid.f90
map65a.f90
moon2.f90
moondop.f90
noisegen.f90
pfxdump.f90
recvpkt.f90
@ -107,14 +115,6 @@ set (FSRCS
zplot.f90
f77_wisdom.f
graycode.f
grid2deg.f
grid2k.f
indexx.f
interleave63.f
k2grid.f
moon2.f
moondop.f
nchar.f
packcall.f
packdxcc.f

10
libm65/graycode.f
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@ -1,10 +0,0 @@
subroutine graycode(dat,n,idir)
integer dat(n)
do i=1,n
dat(i)=igray(dat(i),idir)
enddo
return
end

10
libm65/graycode.f90 Normal file
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@ -0,0 +1,10 @@
subroutine graycode(dat,n,idir)
integer dat(n)
do i=1,n
dat(i)=igray(dat(i),idir)
enddo
return
end subroutine graycode

38
libm65/grid2deg.f
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@ -1,38 +0,0 @@
subroutine grid2deg(grid0,dlong,dlat)
C Converts Maidenhead grid locator to degrees of West longitude
C and North latitude.
character*6 grid0,grid
character*1 g1,g2,g3,g4,g5,g6
grid=grid0
i=ichar(grid(5:5))
if(grid(5:5).eq.' ' .or. i.le.64 .or. i.ge.128) grid(5:6)='mm'
if(grid(1:1).ge.'a' .and. grid(1:1).le.'z') grid(1:1)=
+ char(ichar(grid(1:1))+ichar('A')-ichar('a'))
if(grid(2:2).ge.'a' .and. grid(2:2).le.'z') grid(2:2)=
+ char(ichar(grid(2:2))+ichar('A')-ichar('a'))
if(grid(5:5).ge.'A' .and. grid(5:5).le.'Z') grid(5:5)=
+ char(ichar(grid(5:5))-ichar('A')+ichar('a'))
if(grid(6:6).ge.'A' .and. grid(6:6).le.'Z') grid(6:6)=
+ char(ichar(grid(6:6))-ichar('A')+ichar('a'))
g1=grid(1:1)
g2=grid(2:2)
g3=grid(3:3)
g4=grid(4:4)
g5=grid(5:5)
g6=grid(6:6)
nlong = 180 - 20*(ichar(g1)-ichar('A'))
n20d = 2*(ichar(g3)-ichar('0'))
xminlong = 5*(ichar(g5)-ichar('a')+0.5)
dlong = nlong - n20d - xminlong/60.0
nlat = -90+10*(ichar(g2)-ichar('A')) + ichar(g4)-ichar('0')
xminlat = 2.5*(ichar(g6)-ichar('a')+0.5)
dlat = nlat + xminlat/60.0
return
end

38
libm65/grid2deg.f90 Normal file
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@ -0,0 +1,38 @@
subroutine grid2deg(grid0,dlong,dlat)
! Converts Maidenhead grid locator to degrees of West longitude
! and North latitude.
character*6 grid0,grid
character*1 g1,g2,g3,g4,g5,g6
grid=grid0
i=ichar(grid(5:5))
if(grid(5:5).eq.' ' .or. i.le.64 .or. i.ge.128) grid(5:6)='mm'
if(grid(1:1).ge.'a' .and. grid(1:1).le.'z') grid(1:1)= &
char(ichar(grid(1:1))+ichar('A')-ichar('a'))
if(grid(2:2).ge.'a' .and. grid(2:2).le.'z') grid(2:2)= &
char(ichar(grid(2:2))+ichar('A')-ichar('a'))
if(grid(5:5).ge.'A' .and. grid(5:5).le.'Z') grid(5:5)= &
char(ichar(grid(5:5))-ichar('A')+ichar('a'))
if(grid(6:6).ge.'A' .and. grid(6:6).le.'Z') grid(6:6)= &
char(ichar(grid(6:6))-ichar('A')+ichar('a'))
g1=grid(1:1)
g2=grid(2:2)
g3=grid(3:3)
g4=grid(4:4)
g5=grid(5:5)
g6=grid(6:6)
nlong = 180 - 20*(ichar(g1)-ichar('A'))
n20d = 2*(ichar(g3)-ichar('0'))
xminlong = 5*(ichar(g5)-ichar('a')+0.5)
dlong = nlong - n20d - xminlong/60.0
nlat = -90+10*(ichar(g2)-ichar('A')) + ichar(g4)-ichar('0')
xminlat = 2.5*(ichar(g6)-ichar('a')+0.5)
dlat = nlat + xminlat/60.0
return
end subroutine grid2deg

12
libm65/grid2k.f
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@ -1,12 +0,0 @@
subroutine grid2k(grid,k)
character*6 grid
call grid2deg(grid,xlong,xlat)
nlong=nint(xlong)
nlat=nint(xlat)
k=0
if(nlat.ge.85) k=5*(nlong+179)/2 + nlat-84
return
end

12
libm65/grid2k.f90 Normal file
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@ -0,0 +1,12 @@
subroutine grid2k(grid,k)
character*6 grid
call grid2deg(grid,xlong,xlat)
nlong=nint(xlong)
nlat=nint(xlat)
k=0
if(nlat.ge.85) k=5*(nlong+179)/2 + nlat-84
return
end subroutine grid2k

19
libm65/indexx.f
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@ -1,19 +0,0 @@
subroutine indexx(n,arr,indx)
parameter (NMAX=3000)
integer indx(n)
real arr(n)
real brr(NMAX)
if(n.gt.NMAX) then
print*,'n=',n,' too big in indexx.'
stop
endif
do i=1,n
brr(i)=arr(i)
indx(i)=i
enddo
call ssort(brr,indx,n,2)
return
end

19
libm65/indexx.f90 Normal file
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@ -0,0 +1,19 @@
subroutine indexx(n,arr,indx)
parameter (NMAX=3000)
integer indx(n)
real arr(n)
real brr(NMAX)
if(n.gt.NMAX) then
print*,'n=',n,' too big in indexx.'
stop
endif
do i=1,n
brr(i)=arr(i)
indx(i)=i
enddo
call ssort(brr,indx,n,2)
return
end subroutine indexx

25
libm65/interleave63.f
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@ -1,25 +0,0 @@
subroutine interleave63(d1,idir)
C Interleave (idir=1) or de-interleave (idir=-1) the array d1.
integer d1(0:6,0:8)
integer d2(0:8,0:6)
if(idir.ge.0) then
do i=0,6
do j=0,8
d2(j,i)=d1(i,j)
enddo
enddo
call move(d2,d1,63)
else
call move(d1,d2,63)
do i=0,6
do j=0,8
d1(i,j)=d2(j,i)
enddo
enddo
endif
return
end

25
libm65/interleave63.f90 Normal file
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@ -0,0 +1,25 @@
subroutine interleave63(d1,idir)
! Interleave (idir=1) or de-interleave (idir=-1) the array d1.
integer d1(0:6,0:8)
integer d2(0:8,0:6)
if(idir.ge.0) then
do i=0,6
do j=0,8
d2(j,i)=d1(i,j)
enddo
enddo
call move(d2,d1,63)
else
call move(d1,d2,63)
do i=0,6
do j=0,8
d1(i,j)=d2(j,i)
enddo
enddo
endif
return
end subroutine interleave63

12
libm65/k2grid.f
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@ -1,12 +0,0 @@
subroutine k2grid(k,grid)
character grid*6
nlong=2*mod((k-1)/5,90)-179
if(k.gt.450) nlong=nlong+180
nlat=mod(k-1,5)+ 85
dlat=nlat
dlong=nlong
call deg2grid(dlong,dlat,grid)
return
end

12
libm65/k2grid.f90 Normal file
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@ -0,0 +1,12 @@
subroutine k2grid(k,grid)
character grid*6
nlong=2*mod((k-1)/5,90)-179
if(k.gt.450) nlong=nlong+180
nlat=mod(k-1,5)+ 85
dlat=nlat
dlong=nlong
call deg2grid(dlong,dlat,grid)
return
end subroutine k2grid

167
libm65/moon2.f
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@ -1,167 +0,0 @@
subroutine moon2(y,m,Day,UT,lon,lat,RA,Dec,topRA,topDec,
+ LST,HA,Az,El,dist)
implicit none
integer y !Year
integer m !Month
integer Day !Day
real*8 UT !UTC in hours
real*8 RA,Dec !RA and Dec of moon
C NB: Double caps are single caps in the writeup.
real*8 NN !Longitude of ascending node
real*8 i !Inclination to the ecliptic
real*8 w !Argument of perigee
real*8 a !Semi-major axis
real*8 e !Eccentricity
real*8 MM !Mean anomaly
real*8 v !True anomaly
real*8 EE !Eccentric anomaly
real*8 ecl !Obliquity of the ecliptic
real*8 d !Ephemeris time argument in days
real*8 r !Distance to sun, AU
real*8 xv,yv !x and y coords in ecliptic
real*8 lonecl,latecl !Ecliptic long and lat of moon
real*8 xg,yg,zg !Ecliptic rectangular coords
real*8 Ms !Mean anomaly of sun
real*8 ws !Argument of perihelion of sun
real*8 Ls !Mean longitude of sun (Ns=0)
real*8 Lm !Mean longitude of moon
real*8 DD !Mean elongation of moon
real*8 FF !Argument of latitude for moon
real*8 xe,ye,ze !Equatorial geocentric coords of moon
real*8 mpar !Parallax of moon (r_E / d)
real*8 lat,lon !Station coordinates on earth
real*8 gclat !Geocentric latitude
real*8 rho !Earth radius factor
real*8 GMST0,LST,HA
real*8 g
real*8 topRA,topDec !Topocentric coordinates of Moon
real*8 Az,El
real*8 dist
real*8 rad,twopi,pi,pio2
data rad/57.2957795131d0/,twopi/6.283185307d0/
d=367*y - 7*(y+(m+9)/12)/4 + 275*m/9 + Day - 730530 + UT/24.d0
ecl = 23.4393d0 - 3.563d-7 * d
C Orbital elements for Moon:
NN = 125.1228d0 - 0.0529538083d0 * d
i = 5.1454d0
w = mod(318.0634d0 + 0.1643573223d0 * d + 360000.d0,360.d0)
a = 60.2666d0
e = 0.054900d0
MM = mod(115.3654d0 + 13.0649929509d0 * d + 360000.d0,360.d0)
EE = MM + e*rad*sin(MM/rad) * (1.d0 + e*cos(MM/rad))
EE = EE - (EE - e*rad*sin(EE/rad)-MM) / (1.d0 - e*cos(EE/rad))
EE = EE - (EE - e*rad*sin(EE/rad)-MM) / (1.d0 - e*cos(EE/rad))
xv = a * (cos(EE/rad) - e)
yv = a * (sqrt(1.d0-e*e) * sin(EE/rad))
v = mod(rad*atan2(yv,xv)+720.d0,360.d0)
r = sqrt(xv*xv + yv*yv)
C Get geocentric position in ecliptic rectangular coordinates:
xg = r * (cos(NN/rad)*cos((v+w)/rad) -
+ sin(NN/rad)*sin((v+w)/rad)*cos(i/rad))
yg = r * (sin(NN/rad)*cos((v+w)/rad) +
+ cos(NN/rad)*sin((v+w)/rad)*cos(i/rad))
zg = r * (sin((v+w)/rad)*sin(i/rad))
C Ecliptic longitude and latitude of moon:
lonecl = mod(rad*atan2(yg/rad,xg/rad)+720.d0,360.d0)
latecl = rad*atan2(zg/rad,sqrt(xg*xg + yg*yg)/rad)
C Now include orbital perturbations:
Ms = mod(356.0470d0 + 0.9856002585d0 * d + 3600000.d0,360.d0)
ws = 282.9404d0 + 4.70935d-5*d
Ls = mod(Ms + ws + 720.d0,360.d0)
Lm = mod(MM + w + NN+720.d0,360.d0)
DD = mod(Lm - Ls + 360.d0,360.d0)
FF = mod(Lm - NN + 360.d0,360.d0)
lonecl = lonecl
+ -1.274d0 * sin((MM-2.d0*DD)/rad)
+ +0.658d0 * sin(2.d0*DD/rad)
+ -0.186d0 * sin(Ms/rad)
+ -0.059d0 * sin((2.d0*MM-2.d0*DD)/rad)
+ -0.057d0 * sin((MM-2.d0*DD+Ms)/rad)
+ +0.053d0 * sin((MM+2.d0*DD)/rad)
+ +0.046d0 * sin((2.d0*DD-Ms)/rad)
+ +0.041d0 * sin((MM-Ms)/rad)
+ -0.035d0 * sin(DD/rad)
+ -0.031d0 * sin((MM+Ms)/rad)
+ -0.015d0 * sin((2.d0*FF-2.d0*DD)/rad)
+ +0.011d0 * sin((MM-4.d0*DD)/rad)
latecl = latecl
+ -0.173d0 * sin((FF-2.d0*DD)/rad)
+ -0.055d0 * sin((MM-FF-2.d0*DD)/rad)
+ -0.046d0 * sin((MM+FF-2.d0*DD)/rad)
+ +0.033d0 * sin((FF+2.d0*DD)/rad)
+ +0.017d0 * sin((2.d0*MM+FF)/rad)
r = 60.36298d0
+ - 3.27746d0*cos(MM/rad)
+ - 0.57994d0*cos((MM-2.d0*DD)/rad)
+ - 0.46357d0*cos(2.d0*DD/rad)
+ - 0.08904d0*cos(2.d0*MM/rad)
+ + 0.03865d0*cos((2.d0*MM-2.d0*DD)/rad)
+ - 0.03237d0*cos((2.d0*DD-Ms)/rad)
+ - 0.02688d0*cos((MM+2.d0*DD)/rad)
+ - 0.02358d0*cos((MM-2.d0*DD+Ms)/rad)
+ - 0.02030d0*cos((MM-Ms)/rad)
+ + 0.01719d0*cos(DD/rad)
+ + 0.01671d0*cos((MM+Ms)/rad)
dist=r*6378.140d0
C Geocentric coordinates:
C Rectangular ecliptic coordinates of the moon:
xg = r * cos(lonecl/rad)*cos(latecl/rad)
yg = r * sin(lonecl/rad)*cos(latecl/rad)
zg = r * sin(latecl/rad)
C Rectangular equatorial coordinates of the moon:
xe = xg
ye = yg*cos(ecl/rad) - zg*sin(ecl/rad)
ze = yg*sin(ecl/rad) + zg*cos(ecl/rad)
C Right Ascension, Declination:
RA = mod(rad*atan2(ye,xe)+360.d0,360.d0)
Dec = rad*atan2(ze,sqrt(xe*xe + ye*ye))
C Now convert to topocentric system:
mpar=rad*asin(1.d0/r)
C alt_topoc = alt_geoc - mpar*cos(alt_geoc)
gclat = lat - 0.1924d0*sin(2.d0*lat/rad)
rho = 0.99883d0 + 0.00167d0*cos(2.d0*lat/rad)
GMST0 = (Ls + 180.d0)/15.d0
LST = mod(GMST0+UT+lon/15.d0+48.d0,24.d0) !LST in hours
HA = 15.d0*LST - RA !HA in degrees
g = rad*atan(tan(gclat/rad)/cos(HA/rad))
topRA = RA - mpar*rho*cos(gclat/rad)*sin(HA/rad)/cos(Dec/rad)
topDec = Dec - mpar*rho*sin(gclat/rad)*sin((g-Dec)/rad)/sin(g/rad)
HA = 15.d0*LST - topRA !HA in degrees
if(HA.gt.180.d0) HA=HA-360.d0
if(HA.lt.-180.d0) HA=HA+360.d0
pi=0.5d0*twopi
pio2=0.5d0*pi
call dcoord(pi,pio2-lat/rad,0.d0,lat/rad,ha*twopi/360,
+ topDec/rad,az,el)
Az=az*rad
El=El*rad
return
end

163
libm65/moon2.f90 Normal file
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@ -0,0 +1,163 @@
subroutine moon2(y,m,Day,UT,lon,lat,RA,Dec,topRA,topDec,LST,HA,Az,El,dist)
implicit none
integer y !Year
integer m !Month
integer Day !Day
real*8 UT !UTC in hours
real*8 RA,Dec !RA and Dec of moon
! NB: Double caps are single caps in the writeup.
real*8 NN !Longitude of ascending node
real*8 i !Inclination to the ecliptic
real*8 w !Argument of perigee
real*8 a !Semi-major axis
real*8 e !Eccentricity
real*8 MM !Mean anomaly
real*8 v !True anomaly
real*8 EE !Eccentric anomaly
real*8 ecl !Obliquity of the ecliptic
real*8 d !Ephemeris time argument in days
real*8 r !Distance to sun, AU
real*8 xv,yv !x and y coords in ecliptic
real*8 lonecl,latecl !Ecliptic long and lat of moon
real*8 xg,yg,zg !Ecliptic rectangular coords
real*8 Ms !Mean anomaly of sun
real*8 ws !Argument of perihelion of sun
real*8 Ls !Mean longitude of sun (Ns=0)
real*8 Lm !Mean longitude of moon
real*8 DD !Mean elongation of moon
real*8 FF !Argument of latitude for moon
real*8 xe,ye,ze !Equatorial geocentric coords of moon
real*8 mpar !Parallax of moon (r_E / d)
real*8 lat,lon !Station coordinates on earth
real*8 gclat !Geocentric latitude
real*8 rho !Earth radius factor
real*8 GMST0,LST,HA
real*8 g
real*8 topRA,topDec !Topocentric coordinates of Moon
real*8 Az,El
real*8 dist
real*8 rad,twopi,pi,pio2
data rad/57.2957795131d0/,twopi/6.283185307d0/
d=367*y - 7*(y+(m+9)/12)/4 + 275*m/9 + Day - 730530 + UT/24.d0
ecl = 23.4393d0 - 3.563d-7 * d
! Orbital elements for Moon:
NN = 125.1228d0 - 0.0529538083d0 * d
i = 5.1454d0
w = mod(318.0634d0 + 0.1643573223d0 * d + 360000.d0,360.d0)
a = 60.2666d0
e = 0.054900d0
MM = mod(115.3654d0 + 13.0649929509d0 * d + 360000.d0,360.d0)
EE = MM + e*rad*sin(MM/rad) * (1.d0 + e*cos(MM/rad))
EE = EE - (EE - e*rad*sin(EE/rad)-MM) / (1.d0 - e*cos(EE/rad))
EE = EE - (EE - e*rad*sin(EE/rad)-MM) / (1.d0 - e*cos(EE/rad))
xv = a * (cos(EE/rad) - e)
yv = a * (sqrt(1.d0-e*e) * sin(EE/rad))
v = mod(rad*atan2(yv,xv)+720.d0,360.d0)
r = sqrt(xv*xv + yv*yv)
! Get geocentric position in ecliptic rectangular coordinates:
xg = r * (cos(NN/rad)*cos((v+w)/rad)-sin(NN/rad)*sin((v+w)/rad)*cos(i/rad))
yg = r * (sin(NN/rad)*cos((v+w)/rad)+cos(NN/rad)*sin((v+w)/rad)*cos(i/rad))
zg = r * (sin((v+w)/rad)*sin(i/rad))
! Ecliptic longitude and latitude of moon:
lonecl = mod(rad*atan2(yg/rad,xg/rad)+720.d0,360.d0)
latecl = rad*atan2(zg/rad,sqrt(xg*xg + yg*yg)/rad)
! Now include orbital perturbations:
Ms = mod(356.0470d0 + 0.9856002585d0 * d + 3600000.d0,360.d0)
ws = 282.9404d0 + 4.70935d-5*d
Ls = mod(Ms + ws + 720.d0,360.d0)
Lm = mod(MM + w + NN+720.d0,360.d0)
DD = mod(Lm - Ls + 360.d0,360.d0)
FF = mod(Lm - NN + 360.d0,360.d0)
lonecl = lonecl &
- 1.274d0 * sin((MM-2.d0*DD)/rad) &
+ 0.658d0 * sin(2.d0*DD/rad) &
- 0.186d0 * sin(Ms/rad) &
- 0.059d0 * sin((2.d0*MM-2.d0*DD)/rad) &
- 0.057d0 * sin((MM-2.d0*DD+Ms)/rad) &
+ 0.053d0 * sin((MM+2.d0*DD)/rad) &
+ 0.046d0 * sin((2.d0*DD-Ms)/rad) &
+ 0.041d0 * sin((MM-Ms)/rad) &
- 0.035d0 * sin(DD/rad) &
- 0.031d0 * sin((MM+Ms)/rad) &
- 0.015d0 * sin((2.d0*FF-2.d0*DD)/rad) &
+ 0.011d0 * sin((MM-4.d0*DD)/rad)
latecl = latecl &
- 0.173d0 * sin((FF-2.d0*DD)/rad) &
- 0.055d0 * sin((MM-FF-2.d0*DD)/rad) &
- 0.046d0 * sin((MM+FF-2.d0*DD)/rad) &
+ 0.033d0 * sin((FF+2.d0*DD)/rad) &
+ 0.017d0 * sin((2.d0*MM+FF)/rad)
r = 60.36298d0 &
- 3.27746d0*cos(MM/rad) &
- 0.57994d0*cos((MM-2.d0*DD)/rad) &
- 0.46357d0*cos(2.d0*DD/rad) &
- 0.08904d0*cos(2.d0*MM/rad) &
+ 0.03865d0*cos((2.d0*MM-2.d0*DD)/rad) &
- 0.03237d0*cos((2.d0*DD-Ms)/rad) &
- 0.02688d0*cos((MM+2.d0*DD)/rad) &
- 0.02358d0*cos((MM-2.d0*DD+Ms)/rad) &
- 0.02030d0*cos((MM-Ms)/rad) &
+ 0.01719d0*cos(DD/rad) &
+ 0.01671d0*cos((MM+Ms)/rad)
dist=r*6378.140d0
! Geocentric coordinates:
! Rectangular ecliptic coordinates of the moon:
xg = r * cos(lonecl/rad)*cos(latecl/rad)
yg = r * sin(lonecl/rad)*cos(latecl/rad)
zg = r * sin(latecl/rad)
! Rectangular equatorial coordinates of the moon:
xe = xg
ye = yg*cos(ecl/rad) - zg*sin(ecl/rad)
ze = yg*sin(ecl/rad) + zg*cos(ecl/rad)
! Right Ascension, Declination:
RA = mod(rad*atan2(ye,xe)+360.d0,360.d0)
Dec = rad*atan2(ze,sqrt(xe*xe + ye*ye))
! Now convert to topocentric system:
mpar=rad*asin(1.d0/r)
! alt_topoc = alt_geoc - mpar*cos(alt_geoc)
gclat = lat - 0.1924d0*sin(2.d0*lat/rad)
rho = 0.99883d0 + 0.00167d0*cos(2.d0*lat/rad)
GMST0 = (Ls + 180.d0)/15.d0
LST = mod(GMST0+UT+lon/15.d0+48.d0,24.d0) !LST in hours
HA = 15.d0*LST - RA !HA in degrees
g = rad*atan(tan(gclat/rad)/cos(HA/rad))
topRA = RA - mpar*rho*cos(gclat/rad)*sin(HA/rad)/cos(Dec/rad)
topDec = Dec - mpar*rho*sin(gclat/rad)*sin((g-Dec)/rad)/sin(g/rad)
HA = 15.d0*LST - topRA !HA in degrees
if(HA.gt.180.d0) HA=HA-360.d0
if(HA.lt.-180.d0) HA=HA+360.d0
pi=0.5d0*twopi
pio2=0.5d0*pi
call dcoord(pi,pio2-lat/rad,0.d0,lat/rad,ha*twopi/360,topDec/rad,az,el)
Az=az*rad
El=El*rad
return
end subroutine moon2

73
libm65/moondop.f
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@ -1,73 +0,0 @@
subroutine MoonDop(nyear,month,nday,uth4,lon4,lat4,RAMoon4,
+ DecMoon4,LST4,HA4,AzMoon4,ElMoon4,vr4,dist4)
implicit real*8 (a-h,o-z)
real*4 uth4 !UT in hours
real*4 lon4 !West longitude, degrees
real*4 lat4 !Latitude, degrees
real*4 RAMoon4 !Topocentric RA of moon, hours
real*4 DecMoon4 !Topocentric Dec of Moon, degrees
real*4 LST4 !Locat sidereal time, hours
real*4 HA4 !Local Hour angle, degrees
real*4 AzMoon4 !Topocentric Azimuth of moon, degrees
real*4 ElMoon4 !Topocentric Elevation of moon, degrees
real*4 vr4 !Radial velocity of moon wrt obs, km/s
real*4 dist4 !Echo time, seconds
real*8 LST
real*8 RME(6) !Vector from Earth center to Moon
real*8 RAE(6) !Vector from Earth center to Obs
real*8 RMA(6) !Vector from Obs to Moon
real*8 pvsun(6)
real*8 rme0(6)
logical km,bary
data rad/57.2957795130823d0/,twopi/6.28310530717959d0/
km=.true.
dlat=lat4/rad
dlong1=lon4/rad
elev1=200.d0
call geocentric(dlat,elev1,dlat1,erad1)
dt=100.d0 !For numerical derivative, in seconds
UT=uth4
C NB: geodetic latitude used here, but geocentric latitude used when
C determining Earth-rotation contribution to Doppler.
call moon2(nyear,month,nDay,UT-dt/3600.d0,dlong1*rad,dlat*rad,
+ RA,Dec,topRA,topDec,LST,HA,Az0,El0,dist)
call toxyz(RA/rad,Dec/rad,dist,rme0) !Convert to rectangular coords
call moon2(nyear,month,nDay,UT,dlong1*rad,dlat*rad,
+ RA,Dec,topRA,topDec,LST,HA,Az,El,dist)
call toxyz(RA/rad,Dec/rad,dist,rme) !Convert to rectangular coords
phi=LST*twopi/24.d0
call toxyz(phi,dlat1,erad1,rae) !Gencentric numbers used here!
radps=twopi/(86400.d0/1.002737909d0)
rae(4)=-rae(2)*radps !Vel of Obs wrt Earth center
rae(5)=rae(1)*radps
rae(6)=0.d0
do i=1,3
rme(i+3)=(rme(i)-rme0(i))/dt
rma(i)=rme(i)-rae(i)
rma(i+3)=rme(i+3)-rae(i+3)
enddo
call fromxyz(rma,alpha1,delta1,dtopo0) !Get topocentric coords
vr=dot(rma(4),rma)/dtopo0
RAMoon4=topRA
DecMoon4=topDec
LST4=LST
HA4=HA
AzMoon4=Az
ElMoon4=El
vr4=vr
dist4=dist
return
end

73
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@ -0,0 +1,73 @@
subroutine MoonDop(nyear,month,nday,uth4,lon4,lat4,RAMoon4,DecMoon4, &
LST4,HA4,AzMoon4,ElMoon4,vr4,dist4)
implicit real*8 (a-h,o-z)
real*4 uth4 !UT in hours
real*4 lon4 !West longitude, degrees
real*4 lat4 !Latitude, degrees
real*4 RAMoon4 !Topocentric RA of moon, hours
real*4 DecMoon4 !Topocentric Dec of Moon, degrees
real*4 LST4 !Locat sidereal time, hours
real*4 HA4 !Local Hour angle, degrees
real*4 AzMoon4 !Topocentric Azimuth of moon, degrees
real*4 ElMoon4 !Topocentric Elevation of moon, degrees
real*4 vr4 !Radial velocity of moon wrt obs, km/s
real*4 dist4 !Echo time, seconds
real*8 LST
real*8 RME(6) !Vector from Earth center to Moon
real*8 RAE(6) !Vector from Earth center to Obs
real*8 RMA(6) !Vector from Obs to Moon
real*8 pvsun(6)
real*8 rme0(6)
logical km,bary
data rad/57.2957795130823d0/,twopi/6.28310530717959d0/
km=.true.
dlat=lat4/rad
dlong1=lon4/rad
elev1=200.d0
call geocentric(dlat,elev1,dlat1,erad1)
dt=100.d0 !For numerical derivative, in seconds
UT=uth4
! NB: geodetic latitude used here, but geocentric latitude used when
! determining Earth-rotation contribution to Doppler.
call moon2(nyear,month,nDay,UT-dt/3600.d0,dlong1*rad,dlat*rad, &
RA,Dec,topRA,topDec,LST,HA,Az0,El0,dist)
call toxyz(RA/rad,Dec/rad,dist,rme0) !Convert to rectangular coords
call moon2(nyear,month,nDay,UT,dlong1*rad,dlat*rad, &
RA,Dec,topRA,topDec,LST,HA,Az,El,dist)
call toxyz(RA/rad,Dec/rad,dist,rme) !Convert to rectangular coords
phi=LST*twopi/24.d0
call toxyz(phi,dlat1,erad1,rae) !Gencentric numbers used here!
radps=twopi/(86400.d0/1.002737909d0)
rae(4)=-rae(2)*radps !Vel of Obs wrt Earth center
rae(5)=rae(1)*radps
rae(6)=0.d0
do i=1,3
rme(i+3)=(rme(i)-rme0(i))/dt
rma(i)=rme(i)-rae(i)
rma(i+3)=rme(i+3)-rae(i+3)
enddo
call fromxyz(rma,alpha1,delta1,dtopo0) !Get topocentric coords
vr=dot(rma(4),rma)/dtopo0
RAMoon4=topRA
DecMoon4=topDec
LST4=LST
HA4=HA
AzMoon4=Az
ElMoon4=El
vr4=vr
dist4=dist
return
end subroutine MoonDop