First steps in long journey toward QRA64 in MAP65.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/map65@7473 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Joe Taylor 2017-01-10 16:00:12 +00:00
parent faed5be460
commit 9dd0cddffa
39 changed files with 947 additions and 960 deletions

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@ -55,28 +55,46 @@ FortranCInterface_HEADER (FC.h MACRO_NAMESPACE "FC_" SYMBOL_NAMESPACE "FC_"
set (FSRCS
afc65b.f90
astro.f90
astro0.f90
astrosub.f90
ccf2.f90
ccf65.f90
cgen65.f90
chkhist.f90
chkmsg.f90
coord.f90
dcoord.f90
decode0.f90
decode1a.f90
decode65b.f90
deep65.f90
deg2grid.f90
demod64a.f90
display.f90
dot.f90
dpol.f90
encode65.f90
extract.f90
fchisq.f90
fil6521.f90
filbig.f90
four2a.f90
ftninit.f90
ftnquit.f90
gen65.f90
geocentric.f90
getdphi.f90
getpfx1.f90
getpfx2.f90
graycode65.f90
iqcal.f90
iqfix.f90
jt65code.f90
map65a.f90
noisegen.f90
pfxdump.f90
recvpkt.f90
rfile3a.f90
s3avg.f90
@ -88,24 +106,7 @@ set (FSRCS
tm2.f90
zplot.f90
afc65b.f
astro.f
ccf2.f
chkhist.f
chkmsg.f
coord.f
dcoord.f
decode65b.f
deg2grid.f
dot.f
encode65.f
f77_wisdom.f
fchisq.f
fil6521.f
filbig.f
geocentric.f
getpfx1.f
getpfx2.f
graycode.f
grid2deg.f
grid2k.f
@ -121,7 +122,6 @@ set (FSRCS
packmsg.f
packtext.f
pctile.f
pfxdump.f
set.f
setup65.f
sort.f

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@ -1,71 +0,0 @@
subroutine afc65b(cx,cy,npts,nfast,fsample,nflip,ipol,xpol,
+ ndphi,iloop,a,ccfbest,dtbest)
logical xpol
complex cx(npts)
complex cy(npts)
real a(5),deltaa(5)
a(1)=0.
a(2)=0.
a(3)=0.
a(4)=45.0*(ipol-1.0)
deltaa(1)=2.0
deltaa(2)=2.0
deltaa(3)=2.0
deltaa(4)=22.5
deltaa(5)=0.05
nterms=3
if(xpol) nterms=4
! Don't fit polarization when solving for dphi
if(ndphi.ne.0) nterms=3
! Start the iteration
chisqr=0.
chisqr0=1.e6
do iter=1,3 !One iteration is enough?
do j=1,nterms
chisq1=fchisq(cx,cy,npts,nfast,fsample,nflip,a,ccfmax,dtmax)
fn=0.
delta=deltaa(j)
10 a(j)=a(j)+delta
chisq2=fchisq(cx,cy,npts,nfast,fsample,nflip,a,ccfmax,dtmax)
if(chisq2.eq.chisq1) go to 10
if(chisq2.gt.chisq1) then
delta=-delta !Reverse direction
a(j)=a(j)+delta
tmp=chisq1
chisq1=chisq2
chisq2=tmp
endif
20 fn=fn+1.0
a(j)=a(j)+delta
chisq3=fchisq(cx,cy,npts,nfast,fsample,nflip,a,ccfmax,dtmax)
if(chisq3.lt.chisq2) then
chisq1=chisq2
chisq2=chisq3
go to 20
endif
C Find minimum of parabola defined by last three points
delta=delta*(1./(1.+(chisq1-chisq2)/(chisq3-chisq2))+0.5)
a(j)=a(j)-delta
deltaa(j)=deltaa(j)*fn/3.
enddo
chisqr=fchisq(cx,cy,npts,nfast,fsample,nflip,a,ccfmax,dtmax)
if(chisqr/chisqr0.gt.0.9999) go to 30
chisqr0=chisqr
enddo
30 ccfbest=ccfmax * (1378.125/fsample)**2
dtbest=dtmax
if(a(4).lt.0.0) a(4)=a(4)+180.0
if(a(4).ge.180.0) a(4)=a(4)-180.0
if(nint(a(4)).eq.180) a(4)=0.
ipol=nint(a(4)/45.0) + 1
if(ipol.gt.4) ipol=ipol-4
return
end

71
libm65/afc65b.f90 Normal file
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@ -0,0 +1,71 @@
subroutine afc65b(cx,cy,npts,nfast,fsample,nflip,ipol,xpol,ndphi,iloop, &
a,ccfbest,dtbest)
logical xpol
complex cx(npts)
complex cy(npts)
real a(5),deltaa(5)
a(1)=0.
a(2)=0.
a(3)=0.
a(4)=45.0*(ipol-1.0)
deltaa(1)=2.0
deltaa(2)=2.0
deltaa(3)=2.0
deltaa(4)=22.5
deltaa(5)=0.05
nterms=3
if(xpol) nterms=4
! Don't fit polarization when solving for dphi
if(ndphi.ne.0) nterms=3
! Start the iteration
chisqr=0.
chisqr0=1.e6
do iter=1,3 !One iteration is enough?
do j=1,nterms
chisq1=fchisq(cx,cy,npts,nfast,fsample,nflip,a,ccfmax,dtmax)
fn=0.
delta=deltaa(j)
10 a(j)=a(j)+delta
chisq2=fchisq(cx,cy,npts,nfast,fsample,nflip,a,ccfmax,dtmax)
if(chisq2.eq.chisq1) go to 10
if(chisq2.gt.chisq1) then
delta=-delta !Reverse direction
a(j)=a(j)+delta
tmp=chisq1
chisq1=chisq2
chisq2=tmp
endif
20 fn=fn+1.0
a(j)=a(j)+delta
chisq3=fchisq(cx,cy,npts,nfast,fsample,nflip,a,ccfmax,dtmax)
if(chisq3.lt.chisq2) then
chisq1=chisq2
chisq2=chisq3
go to 20
endif
! Find minimum of parabola defined by last three points
delta=delta*(1./(1.+(chisq1-chisq2)/(chisq3-chisq2))+0.5)
a(j)=a(j)-delta
deltaa(j)=deltaa(j)*fn/3.
enddo
chisqr=fchisq(cx,cy,npts,nfast,fsample,nflip,a,ccfmax,dtmax)
if(chisqr/chisqr0.gt.0.9999) go to 30
chisqr0=chisqr
enddo
30 ccfbest=ccfmax * (1378.125/fsample)**2
dtbest=dtmax
if(a(4).lt.0.0) a(4)=a(4)+180.0
if(a(4).ge.180.0) a(4)=a(4)-180.0
if(nint(a(4)).eq.180) a(4)=0.
ipol=nint(a(4)/45.0) + 1
if(ipol.gt.4) ipol=ipol-4
return
end subroutine afc65b

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@ -1,109 +0,0 @@
subroutine astro(nyear,month,nday,uth,nfreq,Mygrid,
+ NStation,MoonDX,AzSun,ElSun,AzMoon0,ElMoon0,
+ ntsky,doppler00,doppler,dbMoon,RAMoon,DecMoon,HA,Dgrd,sd,
+ poloffset,xnr,day,lon,lat,LST)
C Computes astronomical quantities for display and tracking.
C NB: may want to smooth the Tsky map to 10 degrees or so.
character*6 MyGrid,HisGrid
real LST
real lat,lon
integer*2 nt144(180)
! common/echo/xdop(2),techo,AzMoon,ElMoon,mjd
real xdop(2)
data rad/57.2957795/
data nt144/
+ 234, 246, 257, 267, 275, 280, 283, 286, 291, 298,
+ 305, 313, 322, 331, 341, 351, 361, 369, 376, 381,
+ 383, 382, 379, 374, 370, 366, 363, 361, 363, 368,
+ 376, 388, 401, 415, 428, 440, 453, 467, 487, 512,
+ 544, 579, 607, 618, 609, 588, 563, 539, 512, 482,
+ 450, 422, 398, 379, 363, 349, 334, 319, 302, 282,
+ 262, 242, 226, 213, 205, 200, 198, 197, 196, 197,
+ 200, 202, 204, 205, 204, 203, 202, 201, 203, 206,
+ 212, 218, 223, 227, 231, 236, 240, 243, 247, 257,
+ 276, 301, 324, 339, 346, 344, 339, 331, 323, 316,
+ 312, 310, 312, 317, 327, 341, 358, 375, 392, 407,
+ 422, 437, 451, 466, 480, 494, 511, 530, 552, 579,
+ 612, 653, 702, 768, 863,1008,1232,1557,1966,2385,
+ 2719,2924,3018,3038,2986,2836,2570,2213,1823,1461,
+ 1163, 939, 783, 677, 602, 543, 494, 452, 419, 392,
+ 373, 360, 353, 350, 350, 350, 350, 350, 350, 348,
+ 344, 337, 329, 319, 307, 295, 284, 276, 272, 272,
+ 273, 274, 274, 271, 266, 260, 252, 245, 238, 231/
save
call grid2deg(MyGrid,elon,lat)
lon=-elon
call sun(nyear,month,nday,uth,lon,lat,RASun,DecSun,LST,
+ AzSun,ElSun,mjd,day)
freq=nfreq*1.e6
if(nfreq.eq.2) freq=1.8e6
if(nfreq.eq.4) freq=3.5e6
call MoonDop(nyear,month,nday,uth,lon,lat,RAMoon,DecMoon,
+ LST,HA,AzMoon,ElMoon,vr,dist)
C Compute spatial polarization offset
xx=sin(lat/rad)*cos(ElMoon/rad) - cos(lat/rad)*
+ cos(AzMoon/rad)*sin(ElMoon/rad)
yy=cos(lat/rad)*sin(AzMoon/rad)
if(NStation.eq.1) poloffset1=rad*atan2(yy,xx)
if(NStation.eq.2) poloffset2=rad*atan2(yy,xx)
techo=2.0 * dist/2.99792458e5 !Echo delay time
doppler=-freq*vr/2.99792458e5 !One-way Doppler
call coord(0.,0.,-1.570796,1.161639,RAMoon/rad,DecMoon/rad,el,eb)
longecl_half=nint(rad*el/2.0)
if(longecl_half.lt.1 .or. longecl_half.gt.180) longecl_half=180
t144=nt144(longecl_half)
tsky=(t144-2.7)*(144.0/nfreq)**2.6 + 2.7 !Tsky for obs freq
xdop(NStation)=doppler
if(NStation.eq.2) then
HisGrid=MyGrid
go to 900
endif
doppler00=2.0*xdop(1)
doppler=xdop(1)+xdop(2)
! if(mode.eq.3) doppler=2.0*xdop(1)
dBMoon=-40.0*log10(dist/356903.)
sd=16.23*370152.0/dist
! if(NStation.eq.1 .and. MoonDX.ne.0 .and.
! + (mode.eq.2 .or. mode.eq.5)) then
if(NStation.eq.1 .and. MoonDX.ne.0) then
poloffset=mod(poloffset2-poloffset1+720.0,180.0)
if(poloffset.gt.90.0) poloffset=poloffset-180.0
x1=abs(cos(2*poloffset/rad))
if(x1.lt.0.056234) x1=0.056234
xnr=-20.0*log10(x1)
if(HisGrid(1:1).lt.'A' .or. HisGrid(1:1).gt.'R') xnr=0
endif
tr=80.0 !Good preamp
tskymin=13.0*(408.0/nfreq)**2.6 !Cold sky temperature
tsysmin=tskymin+tr
tsys=tsky+tr
dgrd=-10.0*log10(tsys/tsysmin) + dbMoon
900 AzMoon0=Azmoon
ElMoon0=Elmoon
ntsky=nint(tsky)
! auxHA = 15.0*(LST-auxra) !HA in degrees
! pi=3.14159265
! pio2=0.5*pi
! call coord(pi,pio2-lat/rad,0.0,lat/rad,auxha*pi/180.0,
! + auxdec/rad,azaux,elaux)
! AzAux=azaux*rad
! ElAux=ElAux*rad
return
end

105
libm65/astro.f90 Normal file
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@ -0,0 +1,105 @@
subroutine astro(nyear,month,nday,uth,nfreq,Mygrid,NStation,MoonDX, &
AzSun,ElSun,AzMoon0,ElMoon0,ntsky,doppler00,doppler,dbMoon,RAMoon, &
DecMoon,HA,Dgrd,sd,poloffset,xnr,day,lon,lat,LST)
! Computes astronomical quantities for display and tracking.
! NB: may want to smooth the Tsky map to 10 degrees or so.
character*6 MyGrid,HisGrid
real LST
real lat,lon
integer*2 nt144(180)
! common/echo/xdop(2),techo,AzMoon,ElMoon,mjd
real xdop(2)
data rad/57.2957795/
data nt144/ &
234, 246, 257, 267, 275, 280, 283, 286, 291, 298, &
305, 313, 322, 331, 341, 351, 361, 369, 376, 381, &
383, 382, 379, 374, 370, 366, 363, 361, 363, 368, &
376, 388, 401, 415, 428, 440, 453, 467, 487, 512, &
544, 579, 607, 618, 609, 588, 563, 539, 512, 482, &
450, 422, 398, 379, 363, 349, 334, 319, 302, 282, &
262, 242, 226, 213, 205, 200, 198, 197, 196, 197, &
200, 202, 204, 205, 204, 203, 202, 201, 203, 206, &
212, 218, 223, 227, 231, 236, 240, 243, 247, 257, &
276, 301, 324, 339, 346, 344, 339, 331, 323, 316, &
312, 310, 312, 317, 327, 341, 358, 375, 392, 407, &
422, 437, 451, 466, 480, 494, 511, 530, 552, 579, &
612, 653, 702, 768, 863,1008,1232,1557,1966,2385, &
2719,2924,3018,3038,2986,2836,2570,2213,1823,1461, &
1163, 939, 783, 677, 602, 543, 494, 452, 419, 392, &
373, 360, 353, 350, 350, 350, 350, 350, 350, 348, &
344, 337, 329, 319, 307, 295, 284, 276, 272, 272, &
273, 274, 274, 271, 266, 260, 252, 245, 238, 231/
save
call grid2deg(MyGrid,elon,lat)
lon=-elon
call sun(nyear,month,nday,uth,lon,lat,RASun,DecSun,LST,AzSun,ElSun,mjd,day)
freq=nfreq*1.e6
if(nfreq.eq.2) freq=1.8e6
if(nfreq.eq.4) freq=3.5e6
call MoonDop(nyear,month,nday,uth,lon,lat,RAMoon,DecMoon,LST,HA, &
AzMoon,ElMoon,vr,dist)
! Compute spatial polarization offset
xx=sin(lat/rad)*cos(ElMoon/rad) - cos(lat/rad)*cos(AzMoon/rad)*sin(ElMoon/rad)
yy=cos(lat/rad)*sin(AzMoon/rad)
if(NStation.eq.1) poloffset1=rad*atan2(yy,xx)
if(NStation.eq.2) poloffset2=rad*atan2(yy,xx)
techo=2.0 * dist/2.99792458e5 !Echo delay time
doppler=-freq*vr/2.99792458e5 !One-way Doppler
call coord(0.,0.,-1.570796,1.161639,RAMoon/rad,DecMoon/rad,el,eb)
longecl_half=nint(rad*el/2.0)
if(longecl_half.lt.1 .or. longecl_half.gt.180) longecl_half=180
t144=nt144(longecl_half)
tsky=(t144-2.7)*(144.0/nfreq)**2.6 + 2.7 !Tsky for obs freq
xdop(NStation)=doppler
if(NStation.eq.2) then
HisGrid=MyGrid
go to 900
endif
doppler00=2.0*xdop(1)
doppler=xdop(1)+xdop(2)
! if(mode.eq.3) doppler=2.0*xdop(1)
dBMoon=-40.0*log10(dist/356903.)
sd=16.23*370152.0/dist
! if(NStation.eq.1 .and. MoonDX.ne.0 .and.
! + (mode.eq.2 .or. mode.eq.5)) then
if(NStation.eq.1 .and. MoonDX.ne.0) then
poloffset=mod(poloffset2-poloffset1+720.0,180.0)
if(poloffset.gt.90.0) poloffset=poloffset-180.0
x1=abs(cos(2*poloffset/rad))
if(x1.lt.0.056234) x1=0.056234
xnr=-20.0*log10(x1)
if(HisGrid(1:1).lt.'A' .or. HisGrid(1:1).gt.'R') xnr=0
endif
tr=80.0 !Good preamp
tskymin=13.0*(408.0/nfreq)**2.6 !Cold sky temperature
tsysmin=tskymin+tr
tsys=tsky+tr
dgrd=-10.0*log10(tsys/tsysmin) + dbMoon
900 AzMoon0=Azmoon
ElMoon0=Elmoon
ntsky=nint(tsky)
! auxHA = 15.0*(LST-auxra) !HA in degrees
! pi=3.14159265
! pio2=0.5*pi
! call coord(pi,pio2-lat/rad,0.0,lat/rad,auxha*pi/180.0,
! + auxdec/rad,azaux,elaux)
! AzAux=azaux*rad
! ElAux=ElAux*rad
return
end subroutine astro

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@ -1,45 +0,0 @@
subroutine ccf2(ss,nz,nflip,ccfbest,lagpk)
! parameter (LAGMAX=60)
parameter (LAGMAX=200)
real ss(nz)
real ccf(-LAGMAX:LAGMAX)
integer npr(126)
C The JT65 pseudo-random sync pattern:
data npr/
+ 1,0,0,1,1,0,0,0,1,1,1,1,1,1,0,1,0,1,0,0,
+ 0,1,0,1,1,0,0,1,0,0,0,1,1,1,0,0,1,1,1,1,
+ 0,1,1,0,1,1,1,1,0,0,0,1,1,0,1,0,1,0,1,1,
+ 0,0,1,1,0,1,0,1,0,1,0,0,1,0,0,0,0,0,0,1,
+ 1,0,0,0,0,0,0,0,1,1,0,1,0,0,1,0,1,1,0,1,
+ 0,1,0,1,0,0,1,1,0,0,1,0,0,1,0,0,0,0,1,1,
+ 1,1,1,1,1,1/
save
ccfbest=0.
lag1=-LAGMAX
lag2=LAGMAX
do lag=lag1,lag2
s0=0.
s1=0.
do i=1,126
j=2*(8*i + 43) + lag
if(j.ge.1 .and. j.le.nz-8) then
x=ss(j)+ss(j+8) !Add two half-symbol contributions
if(npr(i).eq.0) then
s0=s0 + x
else
s1=s1 + x
endif
endif
enddo
ccf(lag)=nflip*(s1-s0)
if(ccf(lag).gt.ccfbest) then
ccfbest=ccf(lag)
lagpk=lag
endif
enddo
return
end

45
libm65/ccf2.f90 Normal file
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@ -0,0 +1,45 @@
subroutine ccf2(ss,nz,nflip,ccfbest,lagpk)
! parameter (LAGMAX=60)
parameter (LAGMAX=200)
real ss(nz)
real ccf(-LAGMAX:LAGMAX)
integer npr(126)
! The JT65 pseudo-random sync pattern:
data npr/ &
1,0,0,1,1,0,0,0,1,1,1,1,1,1,0,1,0,1,0,0, &
0,1,0,1,1,0,0,1,0,0,0,1,1,1,0,0,1,1,1,1, &
0,1,1,0,1,1,1,1,0,0,0,1,1,0,1,0,1,0,1,1, &
0,0,1,1,0,1,0,1,0,1,0,0,1,0,0,0,0,0,0,1, &
1,0,0,0,0,0,0,0,1,1,0,1,0,0,1,0,1,1,0,1, &
0,1,0,1,0,0,1,1,0,0,1,0,0,1,0,0,0,0,1,1, &
1,1,1,1,1,1/
save
ccfbest=0.
lag1=-LAGMAX
lag2=LAGMAX
do lag=lag1,lag2
s0=0.
s1=0.
do i=1,126
j=2*(8*i + 43) + lag
if(j.ge.1 .and. j.le.nz-8) then
x=ss(j)+ss(j+8) !Add two half-symbol contributions
if(npr(i).eq.0) then
s0=s0 + x
else
s1=s1 + x
endif
endif
enddo
ccf(lag)=nflip*(s1-s0)
if(ccf(lag).gt.ccfbest) then
ccfbest=ccf(lag)
lagpk=lag
endif
enddo
return
end subroutine ccf2

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@ -1,23 +0,0 @@
subroutine chkhist(mrsym,nmax,ipk)
integer mrsym(63)
integer hist(0:63)
do i=0,63
hist(i)=0
enddo
do j=1,63
i=mrsym(j)
hist(i)=hist(i)+1
enddo
nmax=0
do i=0,63
if(hist(i).gt.nmax) then
nmax=hist(i)
ipk=i+1
endif
enddo
return
end

23
libm65/chkhist.f90 Normal file
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@ -0,0 +1,23 @@
subroutine chkhist(mrsym,nmax,ipk)
integer mrsym(63)
integer hist(0:63)
do i=0,63
hist(i)=0
enddo
do j=1,63
i=mrsym(j)
hist(i)=hist(i)+1
enddo
nmax=0
do i=0,63
if(hist(i).gt.nmax) then
nmax=hist(i)
ipk=i+1
endif
enddo
return
end subroutine chkhist

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@ -1,32 +0,0 @@
subroutine chkmsg(message,cok,nspecial,flip)
character message*22,cok*3
nspecial=0
flip=1.0
cok=" "
do i=22,1,-1
if(message(i:i).ne.' ') go to 10
enddo
i=22
10 if(i.ge.11) then
if ((message(i-3:i).eq.' OOO') .or.
+ (message(20:22).eq.' OO')) then
cok='OOO'
flip=-1.0
if(message(20:22).eq.' OO') then
message=message(1:19)
else
message=message(1:i-4)
endif
endif
endif
if(message(1:3).eq.'RO ') nspecial=2
if(message(1:4).eq.'RRR ') nspecial=3
if(message(1:3).eq.'73 ') nspecial=4
return
end

31
libm65/chkmsg.f90 Normal file
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@ -0,0 +1,31 @@
subroutine chkmsg(message,cok,nspecial,flip)
character message*22,cok*3
nspecial=0
flip=1.0
cok=" "
do i=22,1,-1
if(message(i:i).ne.' ') go to 10
enddo
i=22
10 if(i.ge.11) then
if ((message(i-3:i).eq.' OOO') .or. (message(20:22).eq.' OO')) then
cok='OOO'
flip=-1.0
if(message(20:22).eq.' OO') then
message=message(1:19)
else
message=message(1:i-4)
endif
endif
endif
if(message(1:3).eq.'RO ') nspecial=2
if(message(1:4).eq.'RRR ') nspecial=3
if(message(1:3).eq.'73 ') nspecial=4
return
end subroutine chkmsg

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@ -1,41 +0,0 @@
SUBROUTINE COORD(A0,B0,AP,BP,A1,B1,A2,B2)
C Examples:
C 1. From ha,dec to az,el:
C call coord(pi,pio2-lat,0.,lat,ha,dec,az,el)
C 2. From az,el to ha,dec:
C call coord(pi,pio2-lat,0.,lat,az,el,ha,dec)
C 3. From ra,dec to l,b
C call coord(4.635594495,-0.504691042,3.355395488,0.478220215,
C ra,dec,l,b)
C 4. From l,b to ra,dec
C call coord(1.705981071d0,-1.050357016d0,2.146800277d0,
C 0.478220215d0,l,b,ra,dec)
C 5. From ra,dec to ecliptic latitude (eb) and longitude (el):
C call coord(0.d0,0.d0,-pio2,pio2-23.443*pi/180,ra,dec,el,eb)
C 6. From ecliptic latitude (eb) and longitude (el) to ra,dec:
C call coord(0.d0,0.d0,-pio2,pio2-23.443*pi/180,el,eb,ra,dec)
SB0=sin(B0)
CB0=cos(B0)
SBP=sin(BP)
CBP=cos(BP)
SB1=sin(B1)
CB1=cos(B1)
SB2=SBP*SB1 + CBP*CB1*cos(AP-A1)
CB2=SQRT(1.e0-SB2**2)
B2=atan(SB2/CB2)
SAA=sin(AP-A1)*CB1/CB2
CAA=(SB1-SB2*SBP)/(CB2*CBP)
CBB=SB0/CBP
SBB=sin(AP-A0)*CB0
SA2=SAA*CBB-CAA*SBB
CA2=CAA*CBB+SAA*SBB
TA2O2=0.0 !Shut up compiler warnings. -db
IF(CA2.LE.0.e0) TA2O2=(1.e0-CA2)/SA2
IF(CA2.GT.0.e0) TA2O2=SA2/(1.e0+CA2)
A2=2.e0*atan(TA2O2)
IF(A2.LT.0.e0) A2=A2+6.2831853
RETURN
END

40
libm65/coord.f90 Normal file
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@ -0,0 +1,40 @@
SUBROUTINE COORD(A0,B0,AP,BP,A1,B1,A2,B2)
! Examples:
! 1. From ha,dec to az,el:
! call coord(pi,pio2-lat,0.,lat,ha,dec,az,el)
! 2. From az,el to ha,dec:
! call coord(pi,pio2-lat,0.,lat,az,el,ha,dec)
! 3. From ra,dec to l,b
! call coord(4.635594495,-0.504691042,3.355395488,0.478220215,
! ra,dec,l,b)
! 4. From l,b to ra,dec
! call coord(1.705981071d0,-1.050357016d0,2.146800277d0,
! 0.478220215d0,l,b,ra,dec)
! 5. From ra,dec to ecliptic latitude (eb) and longitude (el):
! call coord(0.d0,0.d0,-pio2,pio2-23.443*pi/180,ra,dec,el,eb)
! 6. From ecliptic latitude (eb) and longitude (el) to ra,dec:
! call coord(0.d0,0.d0,-pio2,pio2-23.443*pi/180,el,eb,ra,dec)
SB0=sin(B0)
CB0=cos(B0)
SBP=sin(BP)
CBP=cos(BP)
SB1=sin(B1)
CB1=cos(B1)
SB2=SBP*SB1 + CBP*CB1*cos(AP-A1)
CB2=SQRT(1.e0-SB2**2)
B2=atan(SB2/CB2)
SAA=sin(AP-A1)*CB1/CB2
CAA=(SB1-SB2*SBP)/(CB2*CBP)
CBB=SB0/CBP
SBB=sin(AP-A0)*CB0
SA2=SAA*CBB-CAA*SBB
CA2=CAA*CBB+SAA*SBB
TA2O2=0.0 !Shut up compiler warnings. -db
IF(CA2.LE.0.e0) TA2O2=(1.e0-CA2)/SA2
IF(CA2.GT.0.e0) TA2O2=SA2/(1.e0+CA2)
A2=2.e0*atan(TA2O2)
IF(A2.LT.0.e0) A2=A2+6.2831853
RETURN
END SUBROUTINE COORD

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@ -1,40 +0,0 @@
SUBROUTINE DCOORD(A0,B0,AP,BP,A1,B1,A2,B2)
implicit real*8 (a-h,o-z)
C Examples:
C 1. From ha,dec to az,el:
C call coord(pi,pio2-lat,0.,lat,ha,dec,az,el)
C 2. From az,el to ha,dec:
C call coord(pi,pio2-lat,0.,lat,az,el,ha,dec)
C 3. From ra,dec to l,b
C call coord(4.635594495,-0.504691042,3.355395488,0.478220215,
C ra,dec,l,b)
C 4. From l,b to ra,dec
C call coord(1.705981071d0,-1.050357016d0,2.146800277d0,
C 0.478220215d0,l,b,ra,dec)
C 5. From ecliptic latitude (eb) and longitude (el) to ra, dec:
C call coord(0.d0,0.d0,-pio2,pio2-23.443*pi/180,ra,dec,el,eb)
SB0=sin(B0)
CB0=cos(B0)
SBP=sin(BP)
CBP=cos(BP)
SB1=sin(B1)
CB1=cos(B1)
SB2=SBP*SB1 + CBP*CB1*cos(AP-A1)
CB2=SQRT(1.D0-SB2**2)
B2=atan(SB2/CB2)
SAA=sin(AP-A1)*CB1/CB2
CAA=(SB1-SB2*SBP)/(CB2*CBP)
CBB=SB0/CBP
SBB=sin(AP-A0)*CB0
SA2=SAA*CBB-CAA*SBB
CA2=CAA*CBB+SAA*SBB
TA2O2=0.0 !Shut up compiler warnings. -db
IF(CA2.LE.0.D0) TA2O2=(1.D0-CA2)/SA2
IF(CA2.GT.0.D0) TA2O2=SA2/(1.D0+CA2)
A2=2.D0*atan(TA2O2)
IF(A2.LT.0.D0) A2=A2+6.2831853071795864D0
RETURN
END

40
libm65/dcoord.f90 Normal file
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@ -0,0 +1,40 @@
SUBROUTINE DCOORD(A0,B0,AP,BP,A1,B1,A2,B2)
implicit real*8 (a-h,o-z)
! Examples:
! 1. From ha,dec to az,el:
! call coord(pi,pio2-lat,0.,lat,ha,dec,az,el)
! 2. From az,el to ha,dec:
! call coord(pi,pio2-lat,0.,lat,az,el,ha,dec)
! 3. From ra,dec to l,b
! call coord(4.635594495,-0.504691042,3.355395488,0.478220215,
! ra,dec,l,b)
! 4. From l,b to ra,dec
! call coord(1.705981071d0,-1.050357016d0,2.146800277d0,
! 0.478220215d0,l,b,ra,dec)
! 5. From ecliptic latitude (eb) and longitude (el) to ra, dec:
! call coord(0.d0,0.d0,-pio2,pio2-23.443*pi/180,ra,dec,el,eb)
SB0=sin(B0)
CB0=cos(B0)
SBP=sin(BP)
CBP=cos(BP)
SB1=sin(B1)
CB1=cos(B1)
SB2=SBP*SB1 + CBP*CB1*cos(AP-A1)
CB2=SQRT(1.D0-SB2**2)
B2=atan(SB2/CB2)
SAA=sin(AP-A1)*CB1/CB2
CAA=(SB1-SB2*SBP)/(CB2*CBP)
CBB=SB0/CBP
SBB=sin(AP-A0)*CB0
SA2=SAA*CBB-CAA*SBB
CA2=CAA*CBB+SAA*SBB
TA2O2=0.0 !Shut up compiler warnings. -db
IF(CA2.LE.0.D0) TA2O2=(1.D0-CA2)/SA2
IF(CA2.GT.0.D0) TA2O2=SA2/(1.D0+CA2)
A2=2.D0*atan(TA2O2)
IF(A2.LT.0.D0) A2=A2+6.2831853071795864D0
RETURN
END SUBROUTINE DCOORD

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@ -1,49 +0,0 @@
subroutine decode65b(s2,flip,mycall,hiscall,hisgrid,mode65,
+ neme,ndepth,nqd,nkv,nhist,qual,decoded,s3,sy)
real s2(66,126)
real s3(64,63),sy(63)
logical first,ltext
character decoded*22,deepmsg*22
character mycall*12,hiscall*12,hisgrid*6
common/prcom/pr(126),mdat(126),mref(126,2),mdat2(126),mref2(126,2)
data first/.true./
save
if(first) call setup65
first=.false.
do j=1,63
k=mdat(j) !Points to data symbol
if(flip.lt.0.0) k=mdat2(j)
do i=1,64
s3(i,j)=s2(i+2,k)
enddo
k=mdat2(j) !Points to data symbol
if(flip.lt.0.0) k=mdat(j)
sy(j)=s2(1,k)
enddo
nadd=mode65
call extract(s3,nadd,ncount,nhist,decoded,ltext) !Extract the message
C Suppress "birdie messages" and other garbage decodes:
if(decoded(1:7).eq.'000AAA ') ncount=-1
if(decoded(1:7).eq.'0L6MWK ') ncount=-1
if(flip.lt.0.0 .and. ltext) ncount=-1
nkv=1
if(ncount.lt.0) then
nkv=0
decoded=' '
endif
qual=0.
if(ndepth.ge.1 .and. (nqd.eq.1 .or. flip.eq.1.0)) then
call deep65(s3,mode65,neme,flip,mycall,hiscall,
+ hisgrid,deepmsg,qual)
if(nqd.ne.1 .and. qual.lt.10.0) qual=0.0
if(ndepth.lt.2 .and. qual.lt.6.0) qual=0.0
endif
if(nkv.eq.0 .and. qual.ge.1.0) decoded=deepmsg
return
end

48
libm65/decode65b.f90 Normal file
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@ -0,0 +1,48 @@
subroutine decode65b(s2,flip,mycall,hiscall,hisgrid,mode65,neme,ndepth, &
nqd,nkv,nhist,qual,decoded,s3,sy)
real s2(66,126)
real s3(64,63),sy(63)
logical first,ltext
character decoded*22,deepmsg*22
character mycall*12,hiscall*12,hisgrid*6
common/prcom/pr(126),mdat(126),mref(126,2),mdat2(126),mref2(126,2)
data first/.true./
save
if(first) call setup65
first=.false.
do j=1,63
k=mdat(j) !Points to data symbol
if(flip.lt.0.0) k=mdat2(j)
do i=1,64
s3(i,j)=s2(i+2,k)
enddo
k=mdat2(j) !Points to data symbol
if(flip.lt.0.0) k=mdat(j)
sy(j)=s2(1,k)
enddo
nadd=mode65
call extract(s3,nadd,ncount,nhist,decoded,ltext) !Extract the message
! Suppress "birdie messages" and other garbage decodes:
if(decoded(1:7).eq.'000AAA ') ncount=-1
if(decoded(1:7).eq.'0L6MWK ') ncount=-1
if(flip.lt.0.0 .and. ltext) ncount=-1
nkv=1
if(ncount.lt.0) then
nkv=0
decoded=' '
endif
qual=0.
if(ndepth.ge.1 .and. (nqd.eq.1 .or. flip.eq.1.0)) then
call deep65(s3,mode65,neme,flip,mycall,hiscall,hisgrid,deepmsg,qual)
if(nqd.ne.1 .and. qual.lt.10.0) qual=0.0
if(ndepth.lt.2 .and. qual.lt.6.0) qual=0.0
endif
if(nkv.eq.0 .and. qual.ge.1.0) decoded=deepmsg
return
end subroutine decode65b

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@ -1,30 +0,0 @@
subroutine deg2grid(dlong0,dlat,grid)
real dlong !West longitude (deg)
real dlat !Latitude (deg)
character grid*6
dlong=dlong0
if(dlong.lt.-180.0) dlong=dlong+360.0
if(dlong.gt.180.0) dlong=dlong-360.0
C Convert to units of 5 min of longitude, working east from 180 deg.
nlong=60.0*(180.0-dlong)/5.0
n1=nlong/240 !20-degree field
n2=(nlong-240*n1)/24 !2 degree square
n3=nlong-240*n1-24*n2 !5 minute subsquare
grid(1:1)=char(ichar('A')+n1)
grid(3:3)=char(ichar('0')+n2)
grid(5:5)=char(ichar('a')+n3)
C Convert to units of 2.5 min of latitude, working north from -90 deg.
nlat=60.0*(dlat+90)/2.5
n1=nlat/240 !10-degree field
n2=(nlat-240*n1)/24 !1 degree square
n3=nlat-240*n1-24*n2 !2.5 minuts subsquare
grid(2:2)=char(ichar('A')+n1)
grid(4:4)=char(ichar('0')+n2)
grid(6:6)=char(ichar('a')+n3)
return
end

30
libm65/deg2grid.f90 Normal file
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@ -0,0 +1,30 @@
subroutine deg2grid(dlong0,dlat,grid)
real dlong !West longitude (deg)
real dlat !Latitude (deg)
character grid*6
dlong=dlong0
if(dlong.lt.-180.0) dlong=dlong+360.0
if(dlong.gt.180.0) dlong=dlong-360.0
! Convert to units of 5 min of longitude, working east from 180 deg.
nlong=60.0*(180.0-dlong)/5.0
n1=nlong/240 !20-degree field
n2=(nlong-240*n1)/24 !2 degree square
n3=nlong-240*n1-24*n2 !5 minute subsquare
grid(1:1)=char(ichar('A')+n1)
grid(3:3)=char(ichar('0')+n2)
grid(5:5)=char(ichar('a')+n3)
! Convert to units of 2.5 min of latitude, working north from -90 deg.
nlat=60.0*(dlat+90)/2.5
n1=nlat/240 !10-degree field
n2=(nlat-240*n1)/24 !1 degree square
n3=nlat-240*n1-24*n2 !2.5 minuts subsquare
grid(2:2)=char(ichar('A')+n1)
grid(4:4)=char(ichar('0')+n2)
grid(6:6)=char(ichar('a')+n3)
return
end subroutine deg2grid

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@ -1,11 +0,0 @@
real*8 function dot(x,y)
real*8 x(3),y(3)
dot=0.d0
do i=1,3
dot=dot+x(i)*y(i)
enddo
return
end

11
libm65/dot.f90 Normal file
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@ -0,0 +1,11 @@
real*8 function dot(x,y)
real*8 x(3),y(3)
dot=0.d0
do i=1,3
dot=dot+x(i)*y(i)
enddo
return
end function dot

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@ -1,13 +0,0 @@
subroutine encode65(message,sent)
character message*22
integer dgen(12)
integer sent(63)
call packmsg(message,dgen)
call rs_encode(dgen,sent)
call interleave63(sent,1)
call graycode(sent,63,1)
return
end

13
libm65/encode65.f90 Normal file
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@ -0,0 +1,13 @@
subroutine encode65(message,sent)
character message*22
integer dgen(12)
integer sent(63)
call packmsg(message,dgen)
call rs_encode(dgen,sent)
call interleave63(sent,1)
call graycode(sent,63,1)
return
end subroutine encode65

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@ -1,77 +0,0 @@
real function fchisq(cx,cy,npts,nfast,fsample,nflip,a,
+ ccfmax,dtmax)
parameter (NMAX=60*96000) !Samples per 60 s
complex cx(npts),cy(npts)
real a(5)
complex w,wstep,za,zb,z
real ss(3000)
complex csx(0:NMAX/64),csy(0:NMAX/64)
data twopi/6.283185307/a1,a2,a3/99.,99.,99./
save
call timer('fchisq ',0)
baud=nfast*11025.0/4096.0
nsps=nint(fsample/baud) !Samples per symbol
nsph=nsps/2 !Samples per half-symbol
ndiv=16 !Output ss() steps per symbol
nout=ndiv*npts/nsps
dtstep=1.0/(ndiv*baud) !Time per output step
if(a(1).ne.a1 .or. a(2).ne.a2 .or. a(3).ne.a3) then
a1=a(1)
a2=a(2)
a3=a(3)
C Mix and integrate the complex X and Y signals
csx(0)=0.
csy(0)=0.
w=1.0
x0=0.5*(npts+1)
s=2.0/npts
do i=1,npts
x=s*(i-x0)
if(mod(i,100).eq.1) then
p2=1.5*x*x - 0.5
! p3=2.5*(x**3) - 1.5*x
! p4=4.375*(x**4) - 3.75*(x**2) + 0.375
dphi=(a(1) + x*a(2) + p2*a(3)) * (twopi/fsample)
wstep=cmplx(cos(dphi),sin(dphi))
endif
w=w*wstep
csx(i)=csx(i-1) + w*cx(i)
csy(i)=csy(i-1) + w*cy(i)
enddo
endif
C Compute 1/2-symbol powers at 1/16-symbol steps.
fac=1.e-4
pol=a(4)/57.2957795
aa=cos(pol)
bb=sin(pol)
do i=1,nout
j=i*nsps/ndiv
k=j-nsph
ss(i)=0.
if(k.ge.1) then
za=csx(j)-csx(k)
zb=csy(j)-csy(k)
z=aa*za + bb*zb
ss(i)=fac*(real(z)**2 + aimag(z)**2)
endif
enddo
ccfmax=0.
call timer('ccf2 ',0)
call ccf2(ss,nout,nflip,ccf,lagpk)
call timer('ccf2 ',1)
if(ccf.gt.ccfmax) then
ccfmax=ccf
dtmax=lagpk*dtstep
endif
fchisq=-ccfmax
call timer('fchisq ',1)
return
end

76
libm65/fchisq.f90 Normal file
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@ -0,0 +1,76 @@
real function fchisq(cx,cy,npts,nfast,fsample,nflip,a,ccfmax,dtmax)
parameter (NMAX=60*96000) !Samples per 60 s
complex cx(npts),cy(npts)
real a(5)
complex w,wstep,za,zb,z
real ss(3000)
complex csx(0:NMAX/64),csy(0:NMAX/64)
data twopi/6.283185307/a1,a2,a3/99.,99.,99./
save
call timer('fchisq ',0)
baud=nfast*11025.0/4096.0
nsps=nint(fsample/baud) !Samples per symbol
nsph=nsps/2 !Samples per half-symbol
ndiv=16 !Output ss() steps per symbol
nout=ndiv*npts/nsps
dtstep=1.0/(ndiv*baud) !Time per output step
if(a(1).ne.a1 .or. a(2).ne.a2 .or. a(3).ne.a3) then
a1=a(1)
a2=a(2)
a3=a(3)
! Mix and integrate the complex X and Y signals
csx(0)=0.
csy(0)=0.
w=1.0
x0=0.5*(npts+1)
s=2.0/npts
do i=1,npts
x=s*(i-x0)
if(mod(i,100).eq.1) then
p2=1.5*x*x - 0.5
! p3=2.5*(x**3) - 1.5*x
! p4=4.375*(x**4) - 3.75*(x**2) + 0.375
dphi=(a(1) + x*a(2) + p2*a(3)) * (twopi/fsample)
wstep=cmplx(cos(dphi),sin(dphi))
endif
w=w*wstep
csx(i)=csx(i-1) + w*cx(i)
csy(i)=csy(i-1) + w*cy(i)
enddo
endif
! Compute 1/2-symbol powers at 1/16-symbol steps.
fac=1.e-4
pol=a(4)/57.2957795
aa=cos(pol)
bb=sin(pol)
do i=1,nout
j=i*nsps/ndiv
k=j-nsph
ss(i)=0.
if(k.ge.1) then
za=csx(j)-csx(k)
zb=csy(j)-csy(k)
z=aa*za + bb*zb
ss(i)=fac*(real(z)**2 + aimag(z)**2)
endif
enddo
ccfmax=0.
call timer('ccf2 ',0)
call ccf2(ss,nout,nflip,ccf,lagpk)
call timer('ccf2 ',1)
if(ccf.gt.ccfmax) then
ccfmax=ccf
dtmax=lagpk*dtstep
endif
fchisq=-ccfmax
call timer('fchisq ',1)
return
end function fchisq

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@ -1,44 +0,0 @@
subroutine fil6521(c1,n1,c2,n2)
C FIR lowpass filter designed using ScopeFIR
C Pass #1 Pass #2
C-----------------------------------------------
C fsample (Hz) 1378.125 Input sample rate
C Ntaps 21 Number of filter taps
C fc (Hz) 40 Cutoff frequency
C fstop (Hz) 172.266 Lower limit of stopband
C Ripple (dB) 0.1 Ripple in passband
C Stop Atten (dB) 38 Stopband attenuation
C fout (Hz) 344.531 Output sample rate
parameter (NTAPS=21)
parameter (NH=NTAPS/2)
parameter (NDOWN=4) !Downsample ratio = 1/4
complex c1(n1)
complex c2(n1/NDOWN)
C Filter coefficients:
real a(-NH:NH)
data a/
+ -0.011958606980,-0.013888627387,-0.015601306443,-0.010602249570,
+ 0.003804023436, 0.028320058273, 0.060903935217, 0.096841904411,
+ 0.129639871228, 0.152644580853, 0.160917511283, 0.152644580853,
+ 0.129639871228, 0.096841904411, 0.060903935217, 0.028320058273,
+ 0.003804023436,-0.010602249570,-0.015601306443,-0.013888627387,
+ -0.011958606980/
n2=(n1-NTAPS+NDOWN)/NDOWN
k0=NH-NDOWN+1
C Loop over all output samples
do i=1,n2
c2(i)=0.
k=k0 + NDOWN*i
do j=-NH,NH
c2(i)=c2(i) + c1(j+k)*a(j)
enddo
enddo
return
end

44
libm65/fil6521.f90 Normal file
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@ -0,0 +1,44 @@
subroutine fil6521(c1,n1,c2,n2)
! FIR lowpass filter designed using ScopeFIR
! Pass #1 Pass #2
!-----------------------------------------------
! fsample (Hz) 1378.125 Input sample rate
! Ntaps 21 Number of filter taps
! fc (Hz) 40 Cutoff frequency
! fstop (Hz) 172.266 Lower limit of stopband
! Ripple (dB) 0.1 Ripple in passband
! Stop Atten (dB) 38 Stopband attenuation
! fout (Hz) 344.531 Output sample rate
parameter (NTAPS=21)
parameter (NH=NTAPS/2)
parameter (NDOWN=4) !Downsample ratio = 1/4
complex c1(n1)
complex c2(n1/NDOWN)
! Filter coefficients:
real a(-NH:NH)
data a/ &
-0.011958606980,-0.013888627387,-0.015601306443,-0.010602249570, &
0.003804023436, 0.028320058273, 0.060903935217, 0.096841904411, &
0.129639871228, 0.152644580853, 0.160917511283, 0.152644580853, &
0.129639871228, 0.096841904411, 0.060903935217, 0.028320058273, &
0.003804023436,-0.010602249570,-0.015601306443,-0.013888627387, &
-0.011958606980/
n2=(n1-NTAPS+NDOWN)/NDOWN
k0=NH-NDOWN+1
! Loop over all output samples
do i=1,n2
c2(i)=0.
k=k0 + NDOWN*i
do j=-NH,NH
c2(i)=c2(i) + c1(j+k)*a(j)
enddo
enddo
return
end subroutine fil6521

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@ -1,157 +0,0 @@
subroutine filbig(dd,nmax,nfast,f0,newdat,nfsample,xpol,
+ c4a,c4b,n4)
C Filter and downsample complex data stored in array dd(4,nmax).
C Output is downsampled from 96000 Hz to 1375.125 Hz.
parameter (MAXFFT1=5376000,MAXFFT2=77175)
real*4 dd(4,nmax) !Input data
complex ca(MAXFFT1),cb(MAXFFT1) !FFTs of input
complex c4a(MAXFFT2),c4b(MAXFFT2) !Output data
real*8 df
real halfpulse(8) !Impulse response of filter (one sided)
complex cfilt(MAXFFT2) !Filter (complex; imag = 0)
real rfilt(MAXFFT2) !Filter (real)
integer*8 plan1,plan2,plan3,plan4,plan5
logical first,xpol
include 'fftw3.f'
equivalence (rfilt,cfilt)
data first/.true./,npatience/1/,nfast0/0/
data halfpulse/114.97547150,36.57879257,-20.93789101,
+ 5.89886379,1.59355187,-2.49138308,0.60910773,-0.04248129/
save
if(nmax.lt.0) go to 900
if(nfast.eq.1) then
nfft1=MAXFFT1
nfft2=MAXFFT2
if(nfsample.eq.95238) then
nfft1=5120000
nfft2=74088
endif
else
nfft1=2621440
nfft2=37632
if(nfsample.eq.95238) then
nfft1=2560000
nfft2=37044
endif
endif
if(nfast.ne.nfast0) then
if(nfast0.ne.0) then
call sfftw_destroy_plan(plan1)
call sfftw_destroy_plan(plan2)
call sfftw_destroy_plan(plan3)
call sfftw_destroy_plan(plan4)
call sfftw_destroy_plan(plan5)
endif
endif
if(first .or. nfast.ne.nfast0) then
nflags=FFTW_ESTIMATE
if(npatience.eq.1) nflags=FFTW_ESTIMATE_PATIENT
if(npatience.eq.2) nflags=FFTW_MEASURE
if(npatience.eq.3) nflags=FFTW_PATIENT
if(npatience.eq.4) nflags=FFTW_EXHAUSTIVE
C Plan the FFTs just once
call timer('FFTplans ',0)
call sfftw_plan_dft_1d(plan1,nfft1,ca,ca,
+ FFTW_BACKWARD,nflags)
call sfftw_plan_dft_1d(plan2,nfft1,cb,cb,
+ FFTW_BACKWARD,nflags)
call sfftw_plan_dft_1d(plan3,nfft2,c4a,c4a,
+ FFTW_FORWARD,nflags)
call sfftw_plan_dft_1d(plan4,nfft2,c4b,c4b,
+ FFTW_FORWARD,nflags)
call sfftw_plan_dft_1d(plan5,nfft2,cfilt,cfilt,
+ FFTW_BACKWARD,nflags)
call timer('FFTplans ',1)
C Convert impulse response to filter function
do i=1,nfft2
cfilt(i)=0.
enddo
fac=0.00625/nfft1
cfilt(1)=fac*halfpulse(1)
do i=2,8
cfilt(i)=fac*halfpulse(i)
cfilt(nfft2+2-i)=fac*halfpulse(i)
enddo
call timer('FFTfilt ',0)
call sfftw_execute(plan5)
call timer('FFTfilt ',1)
base=cfilt(nfft2/2+1)
do i=1,nfft2
rfilt(i)=real(cfilt(i))-base
enddo
df=96000.d0/nfft1
if(nfsample.eq.95238) df=95238.1d0/nfft1
first=.false.
endif
nfast0=nfast
C When new data comes along, we need to compute a new "big FFT"
C If we just have a new f0, continue with the existing ca and cb.
if(newdat.ne.0) then
nz=min(nmax,nfft1)
do i=1,nz
ca(i)=cmplx(dd(1,i),dd(2,i))
if(xpol) cb(i)=cmplx(dd(3,i),dd(4,i))
enddo
if(nmax.lt.nfft1) then
do i=nmax+1,nfft1
ca(i)=0.
if(xpol) cb(i)=0.
enddo
endif
call timer('FFTbig ',0)
call sfftw_execute(plan1)
if(xpol) call sfftw_execute(plan2)
call timer('FFTbig ',1)
newdat=0
endif
C NB: f0 is the frequency at which we want our filter centered.
C i0 is the bin number in ca and cb closest to f0.
i0=nint(f0/df) + 1
nh=nfft2/2
do i=1,nh !Copy data into c4a and c4b,
j=i0+i-1 !and apply the filter function
if(j.ge.1 .and. j.le.nfft1) then
c4a(i)=rfilt(i)*ca(j)
if(xpol) c4b(i)=rfilt(i)*cb(j)
else
c4a(i)=0.
if(xpol) c4b(i)=0.
endif
enddo
do i=nh+1,nfft2
j=i0+i-1-nfft2
if(j.lt.1) j=j+nfft1 !nfft1 was nfft2
c4a(i)=rfilt(i)*ca(j)
if(xpol) c4b(i)=rfilt(i)*cb(j)
enddo
C Do the short reverse transform, to go back to time domain.
call timer('FFTsmall',0)
call sfftw_execute(plan3)
if(xpol) call sfftw_execute(plan4)
call timer('FFTsmall',1)
n4=min(nmax/64,nfft2)
go to 999
900 call sfftw_destroy_plan(plan1)
call sfftw_destroy_plan(plan2)
call sfftw_destroy_plan(plan3)
call sfftw_destroy_plan(plan4)
call sfftw_destroy_plan(plan5)
999 return
end

152
libm65/filbig.f90 Normal file
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@ -0,0 +1,152 @@
subroutine filbig(dd,nmax,nfast,f0,newdat,nfsample,xpol,c4a,c4b,n4)
! Filter and downsample complex data stored in array dd(4,nmax).
! Output is downsampled from 96000 Hz to 1375.125 Hz.
parameter (MAXFFT1=5376000,MAXFFT2=77175)
real*4 dd(4,nmax) !Input data
complex ca(MAXFFT1),cb(MAXFFT1) !FFTs of input
complex c4a(MAXFFT2),c4b(MAXFFT2) !Output data
real*8 df
real halfpulse(8) !Impulse response of filter (one sided)
complex cfilt(MAXFFT2) !Filter (complex; imag = 0)
real rfilt(MAXFFT2) !Filter (real)
integer*8 plan1,plan2,plan3,plan4,plan5
logical first,xpol
include 'fftw3.f'
equivalence (rfilt,cfilt)
data first/.true./,npatience/1/,nfast0/0/
data halfpulse/114.97547150,36.57879257,-20.93789101, &
5.89886379,1.59355187,-2.49138308,0.60910773,-0.04248129/
save
if(nmax.lt.0) go to 900
if(nfast.eq.1) then
nfft1=MAXFFT1
nfft2=MAXFFT2
if(nfsample.eq.95238) then
nfft1=5120000
nfft2=74088
endif
else
nfft1=2621440
nfft2=37632
if(nfsample.eq.95238) then
nfft1=2560000
nfft2=37044
endif
endif
if(nfast.ne.nfast0) then
if(nfast0.ne.0) then
call sfftw_destroy_plan(plan1)
call sfftw_destroy_plan(plan2)
call sfftw_destroy_plan(plan3)
call sfftw_destroy_plan(plan4)
call sfftw_destroy_plan(plan5)
endif
endif
if(first .or. nfast.ne.nfast0) then
nflags=FFTW_ESTIMATE
if(npatience.eq.1) nflags=FFTW_ESTIMATE_PATIENT
if(npatience.eq.2) nflags=FFTW_MEASURE
if(npatience.eq.3) nflags=FFTW_PATIENT
if(npatience.eq.4) nflags=FFTW_EXHAUSTIVE
! Plan the FFTs just once
call timer('FFTplans ',0)
call sfftw_plan_dft_1d(plan1,nfft1,ca,ca,FFTW_BACKWARD,nflags)
call sfftw_plan_dft_1d(plan2,nfft1,cb,cb,FFTW_BACKWARD,nflags)
call sfftw_plan_dft_1d(plan3,nfft2,c4a,c4a,FFTW_FORWARD,nflags)
call sfftw_plan_dft_1d(plan4,nfft2,c4b,c4b,FFTW_FORWARD,nflags)
call sfftw_plan_dft_1d(plan5,nfft2,cfilt,cfilt,FFTW_BACKWARD,nflags)
call timer('FFTplans ',1)
! Convert impulse response to filter function
do i=1,nfft2
cfilt(i)=0.
enddo
fac=0.00625/nfft1
cfilt(1)=fac*halfpulse(1)
do i=2,8
cfilt(i)=fac*halfpulse(i)
cfilt(nfft2+2-i)=fac*halfpulse(i)
enddo
call timer('FFTfilt ',0)
call sfftw_execute(plan5)
call timer('FFTfilt ',1)
base=cfilt(nfft2/2+1)
do i=1,nfft2
rfilt(i)=real(cfilt(i))-base
enddo
df=96000.d0/nfft1
if(nfsample.eq.95238) df=95238.1d0/nfft1
first=.false.
endif
nfast0=nfast
! When new data comes along, we need to compute a new "big FFT"
! If we just have a new f0, continue with the existing ca and cb.
if(newdat.ne.0) then
nz=min(nmax,nfft1)
do i=1,nz
ca(i)=cmplx(dd(1,i),dd(2,i))
if(xpol) cb(i)=cmplx(dd(3,i),dd(4,i))
enddo
if(nmax.lt.nfft1) then
do i=nmax+1,nfft1
ca(i)=0.
if(xpol) cb(i)=0.
enddo
endif
call timer('FFTbig ',0)
call sfftw_execute(plan1)
if(xpol) call sfftw_execute(plan2)
call timer('FFTbig ',1)
newdat=0
endif
! NB: f0 is the frequency at which we want our filter centered.
! i0 is the bin number in ca and cb closest to f0.
i0=nint(f0/df) + 1
nh=nfft2/2
do i=1,nh !Copy data into c4a and c4b,
j=i0+i-1 !and apply the filter function
if(j.ge.1 .and. j.le.nfft1) then
c4a(i)=rfilt(i)*ca(j)
if(xpol) c4b(i)=rfilt(i)*cb(j)
else
c4a(i)=0.
if(xpol) c4b(i)=0.
endif
enddo
do i=nh+1,nfft2
j=i0+i-1-nfft2
if(j.lt.1) j=j+nfft1 !nfft1 was nfft2
c4a(i)=rfilt(i)*ca(j)
if(xpol) c4b(i)=rfilt(i)*cb(j)
enddo
! Do the short reverse transform, to go back to time domain.
call timer('FFTsmall',0)
call sfftw_execute(plan3)
if(xpol) call sfftw_execute(plan4)
call timer('FFTsmall',1)
n4=min(nmax/64,nfft2)
go to 999
900 call sfftw_destroy_plan(plan1)
call sfftw_destroy_plan(plan2)
call sfftw_destroy_plan(plan3)
call sfftw_destroy_plan(plan4)
call sfftw_destroy_plan(plan5)
999 return
end subroutine filbig

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@ -1,17 +0,0 @@
subroutine geocentric(alat,elev,hlt,erad)
implicit real*8 (a-h,o-z)
C IAU 1976 flattening f, equatorial radius a
f = 1.d0/298.257d0
a = 6378140.d0
c = 1.d0/sqrt(1.d0 + (-2.d0 + f)*f*sin(alat)*sin(alat))
arcf = (a*c + elev)*cos(alat)
arsf = (a*(1.d0 - f)*(1.d0 - f)*c + elev)*sin(alat)
hlt = datan2(arsf,arcf)
erad = sqrt(arcf*arcf + arsf*arsf)
erad = 0.001d0*erad
return
end

17
libm65/geocentric.f90 Normal file
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@ -0,0 +1,17 @@
subroutine geocentric(alat,elev,hlt,erad)
implicit real*8 (a-h,o-z)
! IAU 1976 flattening f, equatorial radius a
f = 1.d0/298.257d0
a = 6378140.d0
c = 1.d0/sqrt(1.d0 + (-2.d0 + f)*f*sin(alat)*sin(alat))
arcf = (a*c + elev)*cos(alat)
arsf = (a*(1.d0 - f)*(1.d0 - f)*c + elev)*sin(alat)
hlt = datan2(arsf,arcf)
erad = sqrt(arcf*arcf + arsf*arsf)
erad = 0.001d0*erad
return
end subroutine geocentric

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@ -1,96 +0,0 @@
subroutine getpfx1(callsign,k,nv2)
character*12 callsign0,callsign,lof,rof
character*8 c
character addpfx*8,tpfx*4,tsfx*3
logical ispfx,issfx,invalid
common/pfxcom/addpfx
include 'pfx.f'
callsign0=callsign
nv2=0
iz=index(callsign,' ') - 1
if(iz.lt.0) iz=12
islash=index(callsign(1:iz),'/')
k=0
c=' '
if(islash.gt.0 .and. islash.le.(iz-4)) then
! Add-on prefix
c=callsign(1:islash-1)
callsign=callsign(islash+1:iz)
do i=1,NZ
if(pfx(i)(1:4).eq.c) then
k=i
go to 10
endif
enddo
if(addpfx.eq.c) then
k=449
go to 10
endif
else if(islash.eq.(iz-1)) then
! Add-on suffix
c=callsign(islash+1:iz)
callsign=callsign(1:islash-1)
do i=1,NZ2
if(sfx(i).eq.c(1:1)) then
k=400+i
go to 10
endif
enddo
endif
10 if(islash.ne.0 .and.k.eq.0) then
! Original JT65 would force this compound callsign to be treated as
! plain text. In JT65v2, we will encode the prefix or suffix into nc1.
! The task here is to compute the proper value of k.
lof=callsign0(:islash-1)
rof=callsign0(islash+1:)
llof=len_trim(lof)
lrof=len_trim(rof)
ispfx=(llof.gt.0 .and. llof.le.4)
issfx=(lrof.gt.0 .and. lrof.le.3)
invalid=.not.(ispfx.or.issfx)
if(ispfx.and.issfx) then
if(llof.lt.3) issfx=.false.
if(lrof.lt.3) ispfx=.false.
if(ispfx.and.issfx) then
i=ichar(callsign0(islash-1:islash-1))
if(i.ge.ichar('0') .and. i.le.ichar('9')) then
issfx=.false.
else
ispfx=.false.
endif
endif
endif
if(invalid) then
k=-1
else
if(ispfx) then
tpfx=lof
k=nchar(tpfx(1:1))
k=37*k + nchar(tpfx(2:2))
k=37*k + nchar(tpfx(3:3))
k=37*k + nchar(tpfx(4:4))
nv2=1
i=index(callsign0,'/')
callsign=callsign0(:i-1)
callsign=callsign0(i+1:)
endif
if(issfx) then
tsfx=rof
k=nchar(tsfx(1:1))
k=37*k + nchar(tsfx(2:2))
k=37*k + nchar(tsfx(3:3))
nv2=2
i=index(callsign0,'/')
callsign=callsign0(:i-1)
endif
endif
endif
return
end

96
libm65/getpfx1.f90 Normal file
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@ -0,0 +1,96 @@
subroutine getpfx1(callsign,k,nv2)
character*12 callsign0,callsign,lof,rof
character*8 c
character addpfx*8,tpfx*4,tsfx*3
logical ispfx,issfx,invalid
common/pfxcom/addpfx
include 'pfx.f90'
callsign0=callsign
nv2=0
iz=index(callsign,' ') - 1
if(iz.lt.0) iz=12
islash=index(callsign(1:iz),'/')
k=0
c=' '
if(islash.gt.0 .and. islash.le.(iz-4)) then
! Add-on prefix
c=callsign(1:islash-1)
callsign=callsign(islash+1:iz)
do i=1,NZ
if(pfx(i)(1:4).eq.c) then
k=i
go to 10
endif
enddo
if(addpfx.eq.c) then
k=449
go to 10
endif
else if(islash.eq.(iz-1)) then
! Add-on suffix
c=callsign(islash+1:iz)
callsign=callsign(1:islash-1)
do i=1,NZ2
if(sfx(i).eq.c(1:1)) then
k=400+i
go to 10
endif
enddo
endif
10 if(islash.ne.0 .and.k.eq.0) then
! Original JT65 would force this compound callsign to be treated as
! plain text. In JT65v2, we will encode the prefix or suffix into nc1.
! The task here is to compute the proper value of k.
lof=callsign0(:islash-1)
rof=callsign0(islash+1:)
llof=len_trim(lof)
lrof=len_trim(rof)
ispfx=(llof.gt.0 .and. llof.le.4)
issfx=(lrof.gt.0 .and. lrof.le.3)
invalid=.not.(ispfx.or.issfx)
if(ispfx.and.issfx) then
if(llof.lt.3) issfx=.false.
if(lrof.lt.3) ispfx=.false.
if(ispfx.and.issfx) then
i=ichar(callsign0(islash-1:islash-1))
if(i.ge.ichar('0') .and. i.le.ichar('9')) then
issfx=.false.
else
ispfx=.false.
endif
endif
endif
if(invalid) then
k=-1
else
if(ispfx) then
tpfx=lof
k=nchar(tpfx(1:1))
k=37*k + nchar(tpfx(2:2))
k=37*k + nchar(tpfx(3:3))
k=37*k + nchar(tpfx(4:4))
nv2=1
i=index(callsign0,'/')
callsign=callsign0(:i-1)
callsign=callsign0(i+1:)
endif
if(issfx) then
tsfx=rof
k=nchar(tsfx(1:1))
k=37*k + nchar(tsfx(2:2))
k=37*k + nchar(tsfx(3:3))
nv2=2
i=index(callsign0,'/')
callsign=callsign0(:i-1)
endif
endif
endif
return
end subroutine getpfx1

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@ -1,24 +0,0 @@
subroutine getpfx2(k0,callsign)
character callsign*12
include 'pfx.f'
character addpfx*8
common/pfxcom/addpfx
k=k0
if(k.gt.450) k=k-450
if(k.ge.1 .and. k.le.NZ) then
iz=index(pfx(k),' ') - 1
callsign=pfx(k)(1:iz)//'/'//callsign
else if(k.ge.401 .and. k.le.400+NZ2) then
iz=index(callsign,' ') - 1
callsign=callsign(1:iz)//'/'//sfx(k-400)
else if(k.eq.449) then
iz=index(addpfx,' ') - 1
if(iz.lt.1) iz=8
callsign=addpfx(1:iz)//'/'//callsign
endif
return
end

24
libm65/getpfx2.f90 Normal file
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@ -0,0 +1,24 @@
subroutine getpfx2(k0,callsign)
character callsign*12
include 'pfx.f90'
character addpfx*8
common/pfxcom/addpfx
k=k0
if(k.gt.450) k=k-450
if(k.ge.1 .and. k.le.NZ) then
iz=index(pfx(k),' ') - 1
callsign=pfx(k)(1:iz)//'/'//callsign
else if(k.ge.401 .and. k.le.400+NZ2) then
iz=index(callsign,' ') - 1
callsign=callsign(1:iz)//'/'//sfx(k-400)
else if(k.eq.449) then
iz=index(addpfx,' ') - 1
if(iz.lt.1) iz=8
callsign=addpfx(1:iz)//'/'//callsign
endif
return
end subroutine getpfx2

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@ -1,50 +0,0 @@
parameter (NZ=339) !Total number of prefixes
parameter (NZ2=12) !Total number of suffixes
character*1 sfx(NZ2)
character*5 pfx(NZ)
data sfx/'P','0','1','2','3','4','5','6','7','8','9','A'/
data pfx/
+ '1A ','1S ','3A ','3B6 ','3B8 ','3B9 ','3C ','3C0 ',
+ '3D2 ','3D2C ','3D2R ','3DA ','3V ','3W ','3X ','3Y ',
+ '3YB ','3YP ','4J ','4L ','4S ','4U1I ','4U1U ','4W ',
+ '4X ','5A ','5B ','5H ','5N ','5R ','5T ','5U ',
+ '5V ','5W ','5X ','5Z ','6W ','6Y ','7O ','7P ',
+ '7Q ','7X ','8P ','8Q ','8R ','9A ','9G ','9H ',
+ '9J ','9K ','9L ','9M2 ','9M6 ','9N ','9Q ','9U ',
+ '9V ','9X ','9Y ','A2 ','A3 ','A4 ','A5 ','A6 ',
+ 'A7 ','A9 ','AP ','BS7 ','BV ','BV9 ','BY ','C2 ',
+ 'C3 ','C5 ','C6 ','C9 ','CE ','CE0X ','CE0Y ','CE0Z ',
+ 'CE9 ','CM ','CN ','CP ','CT ','CT3 ','CU ','CX ',
+ 'CY0 ','CY9 ','D2 ','D4 ','D6 ','DL ','DU ','E3 ',
+ 'E4 ','EA ','EA6 ','EA8 ','EA9 ','EI ','EK ','EL ',
+ 'EP ','ER ','ES ','ET ','EU ','EX ','EY ','EZ ',
+ 'F ','FG ','FH ','FJ ','FK ','FKC ','FM ','FO ',
+ 'FOA ','FOC ','FOM ','FP ','FR ','FRG ','FRJ ','FRT ',
+ 'FT5W ','FT5X ','FT5Z ','FW ','FY ','M ','MD ','MI ',
+ 'MJ ','MM ', 'MU ','MW ','H4 ','H40 ','HA ',
+ 'HB ','HB0 ','HC ','HC8 ','HH ','HI ','HK ','HK0 ',
+ 'HK0M ','HL ','HM ','HP ','HR ','HS ','HV ','HZ ',
+ 'I ','IS ','IS0 ', 'J2 ','J3 ','J5 ','J6 ',
+ 'J7 ','J8 ','JA ','JDM ','JDO ','JT ','JW ',
+ 'JX ','JY ','K ','KG4 ','KH0 ','KH1 ','KH2 ','KH3 ',
+ 'KH4 ','KH5 ','KH5K ','KH6 ','KH7 ','KH8 ','KH9 ','KL ',
+ 'KP1 ','KP2 ','KP4 ','KP5 ','LA ','LU ','LX ','LY ',
+ 'LZ ','OA ','OD ','OE ','OH ','OH0 ','OJ0 ','OK ',
+ 'OM ','ON ','OX ','OY ','OZ ','P2 ','P4 ','PA ',
+ 'PJ2 ','PJ7 ','PY ','PY0F ','PT0S ','PY0T ','PZ ','R1F ',
+ 'R1M ','S0 ','S2 ','S5 ','S7 ','S9 ','SM ','SP ',
+ 'ST ','SU ','SV ','SVA ','SV5 ','SV9 ','T2 ','T30 ',
+ 'T31 ','T32 ','T33 ','T5 ','T7 ','T8 ','T9 ','TA ',
+ 'TF ','TG ','TI ','TI9 ','TJ ','TK ','TL ',
+ 'TN ','TR ','TT ','TU ','TY ','TZ ','UA ','UA2 ',
+ 'UA9 ','UK ','UN ','UR ','V2 ','V3 ','V4 ','V5 ',
+ 'V6 ','V7 ','V8 ','VE ','VK ','VK0H ','VK0M ','VK9C ',
+ 'VK9L ','VK9M ','VK9N ','VK9W ','VK9X ','VP2E ','VP2M ','VP2V ',
+ 'VP5 ','VP6 ','VP6D ','VP8 ','VP8G ','VP8H ','VP8O ','VP8S ',
+ 'VP9 ','VQ9 ','VR ','VU ','VU4 ','VU7 ','XE ','XF4 ',
+ 'XT ','XU ','XW ','XX9 ','XZ ','YA ','YB ','YI ',
+ 'YJ ','YK ','YL ','YN ','YO ','YS ','YU ','YV ',
+ 'YV0 ','Z2 ','Z3 ','ZA ','ZB ','ZC4 ','ZD7 ','ZD8 ',
+ 'ZD9 ','ZF ','ZK1N ','ZK1S ','ZK2 ','ZK3 ','ZL ','ZL7 ',
+ 'ZL8 ','ZL9 ','ZP ','ZS ','ZS8 ','KC4 ','E5 '/

50
libm65/pfx.f90 Normal file
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@ -0,0 +1,50 @@
parameter (NZ=339) !Total number of prefixes
parameter (NZ2=12) !Total number of suffixes
character*1 sfx(NZ2)
character*5 pfx(NZ)
data sfx/'P','0','1','2','3','4','5','6','7','8','9','A'/
data pfx/ &
'1A ','1S ','3A ','3B6 ','3B8 ','3B9 ','3C ','3C0 ', &
'3D2 ','3D2C ','3D2R ','3DA ','3V ','3W ','3X ','3Y ', &
'3YB ','3YP ','4J ','4L ','4S ','4U1I ','4U1U ','4W ', &
'4X ','5A ','5B ','5H ','5N ','5R ','5T ','5U ', &
'5V ','5W ','5X ','5Z ','6W ','6Y ','7O ','7P ', &
'7Q ','7X ','8P ','8Q ','8R ','9A ','9G ','9H ', &
'9J ','9K ','9L ','9M2 ','9M6 ','9N ','9Q ','9U ', &
'9V ','9X ','9Y ','A2 ','A3 ','A4 ','A5 ','A6 ', &
'A7 ','A9 ','AP ','BS7 ','BV ','BV9 ','BY ','C2 ', &
'C3 ','C5 ','C6 ','C9 ','CE ','CE0X ','CE0Y ','CE0Z ', &
'CE9 ','CM ','CN ','CP ','CT ','CT3 ','CU ','CX ', &
'CY0 ','CY9 ','D2 ','D4 ','D6 ','DL ','DU ','E3 ', &
'E4 ','EA ','EA6 ','EA8 ','EA9 ','EI ','EK ','EL ', &
'EP ','ER ','ES ','ET ','EU ','EX ','EY ','EZ ', &
'F ','FG ','FH ','FJ ','FK ','FKC ','FM ','FO ', &
'FOA ','FOC ','FOM ','FP ','FR ','FRG ','FRJ ','FRT ', &
'FT5W ','FT5X ','FT5Z ','FW ','FY ','M ','MD ','MI ', &
'MJ ','MM ', 'MU ','MW ','H4 ','H40 ','HA ', &
'HB ','HB0 ','HC ','HC8 ','HH ','HI ','HK ','HK0 ', &
'HK0M ','HL ','HM ','HP ','HR ','HS ','HV ','HZ ', &
'I ','IS ','IS0 ', 'J2 ','J3 ','J5 ','J6 ', &
'J7 ','J8 ','JA ','JDM ','JDO ','JT ','JW ', &
'JX ','JY ','K ','KG4 ','KH0 ','KH1 ','KH2 ','KH3 ', &
'KH4 ','KH5 ','KH5K ','KH6 ','KH7 ','KH8 ','KH9 ','KL ', &
'KP1 ','KP2 ','KP4 ','KP5 ','LA ','LU ','LX ','LY ', &
'LZ ','OA ','OD ','OE ','OH ','OH0 ','OJ0 ','OK ', &
'OM ','ON ','OX ','OY ','OZ ','P2 ','P4 ','PA ', &
'PJ2 ','PJ7 ','PY ','PY0F ','PT0S ','PY0T ','PZ ','R1F ', &
'R1M ','S0 ','S2 ','S5 ','S7 ','S9 ','SM ','SP ', &
'ST ','SU ','SV ','SVA ','SV5 ','SV9 ','T2 ','T30 ', &
'T31 ','T32 ','T33 ','T5 ','T7 ','T8 ','T9 ','TA ', &
'TF ','TG ','TI ','TI9 ','TJ ','TK ','TL ', &
'TN ','TR ','TT ','TU ','TY ','TZ ','UA ','UA2 ', &
'UA9 ','UK ','UN ','UR ','V2 ','V3 ','V4 ','V5 ', &
'V6 ','V7 ','V8 ','VE ','VK ','VK0H ','VK0M ','VK9C ', &
'VK9L ','VK9M ','VK9N ','VK9W ','VK9X ','VP2E ','VP2M ','VP2V ', &
'VP5 ','VP6 ','VP6D ','VP8 ','VP8G ','VP8H ','VP8O ','VP8S ', &
'VP9 ','VQ9 ','VR ','VU ','VU4 ','VU7 ','XE ','XF4 ', &
'XT ','XU ','XW ','XX9 ','XZ ','YA ','YB ','YI ', &
'YJ ','YK ','YL ','YN ','YO ','YS ','YU ','YV ', &
'YV0 ','Z2 ','Z3 ','ZA ','ZB ','ZC4 ','ZD7 ','ZD8 ', &
'ZD9 ','ZF ','ZK1N ','ZK1S ','ZK2 ','ZK3 ','ZL ','ZL7 ', &
'ZL8 ','ZL9 ','ZP ','ZS ','ZS8 ','KC4 ','E5 '/

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@ -1,13 +0,0 @@
subroutine pfxdump(fname)
character*(*) fname
include 'pfx.f'
open(11,file=fname,status='unknown')
write(11,1001) sfx
1001 format('Supported Suffixes:'/(11('/',a1,2x)))
write(11,1002) pfx
1002 format(/'Supported Add-On DXCC Prefixes:'/(15(a5,1x)))
close(11)
return
end

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subroutine pfxdump(fname)
character*(*) fname
include 'pfx.f90'
open(11,file=fname,status='unknown')
write(11,1001) sfx
1001 format('Supported Suffixes:'/(11('/',a1,2x)))
write(11,1002) pfx
1002 format(/'Supported Add-On DXCC Prefixes:'/(15(a5,1x)))
close(11)
return
end subroutine pfxdump