diff --git a/q65w/libm65/CMakeLists.txt b/q65w/libm65/CMakeLists.txt
index a49f46535..cda8cb193 100644
--- a/q65w/libm65/CMakeLists.txt
+++ b/q65w/libm65/CMakeLists.txt
@@ -3,54 +3,33 @@ set (libm65_FSRCS
wideband_sync.f90
# Non-module Fortran routines:
- afc65b.f90
astro.f90
astro0.f90
astrosub.f90
- averms.f90
- badmsg.f90
- ccf2.f90
- ccf65.f90
- cgen65.f90
chkhist.f90
chkmsg.f90
coord.f90
dcoord.f90
decode0.f90
- decode65b.f90
- deep65.f90
deg2grid.f90
- demod64a.f90
- display.f90
dot.f90
- dpol.f90
- encode65.f90
- extract.f90
- fchisq.f90
fchisq0.f90
- fil6521.f90
filbig.f90
- fmtmsg.f90
four2a.f90
ftninit.f90
ftnquit.f90
q65b.f90
- gen65.f90
- gen_q65_cwave.f90
- gen_q65_wave.f90
geocentric.f90
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
lorentzian.f90
m65c.f90
@@ -58,15 +37,12 @@ set (libm65_FSRCS
moon2.f90
moondop.f90
nchar.f90
- noisegen.f90
- packjt.f90
pfxdump.f90
recvpkt.f90
rfile3a.f90
s3avg.f90
sec_midn.f90
set.f90
- setup65.f90
shell.f90
sleep_msec.f90
smo.f90
@@ -78,7 +54,6 @@ set (libm65_FSRCS
trimlist.f90
twkfreq.f90
twkfreq_xy.f90
- txpol.f90
wavhdr.f90
f77_wisdom.f
@@ -128,16 +103,3 @@ set_property (SOURCE ${libm65_C_and_CXXSRCS} APPEND PROPERTY OBJECT_DEPENDS ${CM
add_library (m65impl STATIC ${libm65_FSRCS} ${libm65_CSRCS} ${libm65_CXXSRCS})
target_link_libraries (m65impl wsjt_fort wsjt_cxx Qt5::Core)
-add_executable (mapsim mapsim.f90)
-target_link_libraries (mapsim m65impl ${FFTW3_LIBRARIES})
-
-#add_executable (synctest synctest.f90)
-#target_link_libraries (synctest m65impl ${FFTW3_LIBRARIES})
-
-if (WIN32)
- install (
- TARGETS mapsim
- RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT runtime
- BUNDLE DESTINATION . COMPONENT runtime
- )
-endif ()
diff --git a/q65w/libm65/afc65b.f90 b/q65w/libm65/afc65b.f90
deleted file mode 100644
index 53f61ea44..000000000
--- a/q65w/libm65/afc65b.f90
+++ /dev/null
@@ -1,70 +0,0 @@
-subroutine afc65b(cx,cy,npts,fsample,nflip,ipol,xpol,ndphi,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,fsample,nflip,a,ccfmax,dtmax)
- fn=0.
- delta=deltaa(j)
-10 a(j)=a(j)+delta
- chisq2=fchisq(cx,cy,npts,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,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,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
diff --git a/q65w/libm65/averms.f90 b/q65w/libm65/averms.f90
deleted file mode 100644
index 904004c81..000000000
--- a/q65w/libm65/averms.f90
+++ /dev/null
@@ -1,20 +0,0 @@
-subroutine averms(x,n,nskip,ave,rms)
- real x(n)
- integer ipk(1)
-
- ns=0
- s=0.
- sq=0.
- ipk=maxloc(x)
- do i=1,n
- if(abs(i-ipk(1)).gt.nskip) then
- s=s + x(i)
- sq=sq + x(i)**2
- ns=ns+1
- endif
- enddo
- ave=s/ns
- rms=sqrt(sq/ns - ave*ave)
-
- return
-end subroutine averms
diff --git a/q65w/libm65/badmsg.f90 b/q65w/libm65/badmsg.f90
deleted file mode 100644
index 007da8a85..000000000
--- a/q65w/libm65/badmsg.f90
+++ /dev/null
@@ -1,46 +0,0 @@
-subroutine badmsg(irc,dat,nc1,nc2,ng2)
-
-! Get rid of a few QRA64 false decodes that cannot be correct messages.
-
- integer dat(12) !Decoded message (as 12 integers)
-
- ic1=ishft(dat(1),22) + ishft(dat(2),16) + ishft(dat(3),10)+ &
- ishft(dat(4),4) + iand(ishft(dat(5),-2),15)
-
-! Test for "......" or "CQ 000"
- if(ic1.eq.262177560 .or. ic1.eq.262177563) then
- irc=-1
- return
- endif
-
- ic2=ishft(iand(dat(5),3),26) + ishft(dat(6),20) + &
- ishft(dat(7),14) + ishft(dat(8),8) + ishft(dat(9),2) + &
- iand(ishft(dat(10),-4),3)
-
- ig=ishft(iand(dat(10),15),12) + ishft(dat(11),6) + dat(12)
-
-! Test for blank, -01 to -30, R-01 to R-30, RO, RRR, 73
- if(ig.ge.32401 .and. ig.le.32464) return
-
- if(ig.ge.14220 .and. ig.le.14229) return !-41 to -50
- if(ig.ge.14040 .and. ig.le.14049) return !-31 to -40
-
- if(ig.ge.13320 .and. ig.le.13329) return !+00 to +09
- if(ig.ge.13140 .and. ig.le.13149) return !+10 to +19
- if(ig.ge.12960 .and. ig.le.12969) return !+20 to +29
- if(ig.ge.12780 .and. ig.le.12789) return !+30 to +39
- if(ig.ge.12600 .and. ig.le.12609) return !+40 to +49
-
- if(ig.ge.12420 .and. ig.le.12429) return !R-41 to R-50
- if(ig.ge.12240 .and. ig.le.12249) return !R-31 to R-40
-
- if(ig.ge.11520 .and. ig.le.11529) return !R+00 to R+09
- if(ig.ge.11340 .and. ig.le.11349) return !R+10 to R+19
- if(ig.ge.11160 .and. ig.le.11169) return !R+20 to R+29
- if(ig.ge.10980 .and. ig.le.10989) return !R+30 to R+39
- if(ig.ge.10800 .and. ig.le.10809) return !R+40 to R+49
-
- if(ic1.eq.nc1 .and. ic2.eq.nc2 .and. ng2.ne.32401 .and. ig.ne.ng2) irc=-1
-
- return
-end subroutine badmsg
diff --git a/q65w/libm65/ccf2.f90 b/q65w/libm65/ccf2.f90
deleted file mode 100644
index 287e70ffb..000000000
--- a/q65w/libm65/ccf2.f90
+++ /dev/null
@@ -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)
-
-! 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
diff --git a/q65w/libm65/ccf65.f90 b/q65w/libm65/ccf65.f90
deleted file mode 100644
index 592fe95ed..000000000
--- a/q65w/libm65/ccf65.f90
+++ /dev/null
@@ -1,128 +0,0 @@
-subroutine ccf65(ss,nhsym,ssmax,sync1,ipol1,jpz,dt1,flipk, &
- syncshort,snr2,ipol2,dt2)
-
- parameter (NFFT=512,NH=NFFT/2)
- real ss(4,322) !Input: half-symbol powers, 4 pol'ns
- real s(NFFT) !CCF = ss*pr
- complex cs(0:NH) !Complex FT of s
- real s2(NFFT) !CCF = ss*pr2
- complex cs2(0:NH) !Complex FT of s2
- real pr(NFFT) !JT65 pseudo-random sync pattern
- complex cpr(0:NH) !Complex FT of pr
- real pr2(NFFT) !JT65 shorthand pattern
- complex cpr2(0:NH) !Complex FT of pr2
- real tmp1(322)
- real ccf(-11:54,4)
- logical first
- integer npr(126)
- data first/.true./
- equivalence (s,cs),(pr,cpr),(s2,cs2),(pr2,cpr2)
- save
-
-! 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/
-
- if(first) then
-! Initialize pr, pr2; compute cpr, cpr2.
- fac=1.0/NFFT
- do i=1,NFFT
- pr(i)=0.
- pr2(i)=0.
- k=2*mod((i-1)/8,2)-1
- if(i.le.NH) pr2(i)=fac*k
- enddo
- do i=1,126
- j=2*i
- pr(j)=fac*(2*npr(i)-1)
-! Not sure why, but it works significantly better without the following line:
-! pr(j-1)=pr(j)
- enddo
- call four2a(cpr,NFFT,1,-1,0)
- call four2a(cpr2,NFFT,1,-1,0)
- first=.false.
- endif
- syncshort=0.
- snr2=0.
-
-! Look for JT65 sync pattern and shorthand square-wave pattern.
- ccfbest=0.
- ccfbest2=0.
- ipol1=1
- ipol2=1
- do ip=1,jpz !Do jpz polarizations
- do i=1,nhsym-1
-! s(i)=ss(ip,i)+ss(ip,i+1)
- s(i)=min(ssmax,ss(ip,i)+ss(ip,i+1))
- enddo
- call pctile(s,nhsym-1,50,base)
- s(1:nhsym-1)=s(1:nhsym-1)-base
- s(nhsym:NFFT)=0.
- call four2a(cs,NFFT,1,-1,0) !Real-to-complex FFT
- do i=0,NH
- cs2(i)=cs(i)*conjg(cpr2(i)) !Mult by complex FFT of pr2
- cs(i)=cs(i)*conjg(cpr(i)) !Mult by complex FFT of pr
- enddo
- call four2a(cs,NFFT,1,1,-1) !Complex-to-real inv-FFT
- call four2a(cs2,NFFT,1,1,-1) !Complex-to-real inv-FFT
-
- do lag=-11,54 !Check for best JT65 sync
- j=lag
- if(j.lt.1) j=j+NFFT
- ccf(lag,ip)=s(j)
- if(abs(ccf(lag,ip)).gt.ccfbest) then
- ccfbest=abs(ccf(lag,ip))
- lagpk=lag
- ipol1=ip
- flipk=1.0
- if(ccf(lag,ip).lt.0.0) flipk=-1.0
- endif
- enddo
-
-!### Not sure why this is ever true???
- if(sum(ccf).eq.0.0) return
-!###
- do lag=-11,54 !Check for best shorthand
- ccf2=s2(lag+28)
- if(ccf2.gt.ccfbest2) then
- ccfbest2=ccf2
- lagpk2=lag
- ipol2=ip
- endif
- enddo
-
- enddo
-
-! Find rms level on baseline of "ccfblue", for normalization.
- sumccf=0.
- do lag=-11,54
- if(abs(lag-lagpk).gt.1) sumccf=sumccf + ccf(lag,ipol1)
- enddo
- base=sumccf/50.0
- sq=0.
- do lag=-11,54
- if(abs(lag-lagpk).gt.1) sq=sq + (ccf(lag,ipol1)-base)**2
- enddo
- rms=sqrt(sq/49.0)
- sync1=-4.0
- if(rms.gt.0.0) sync1=ccfbest/rms - 4.0
- dt1=lagpk*(2048.0/11025.0) - 2.5
-
-! Find base level for normalizing snr2.
- do i=1,nhsym
- tmp1(i)=ss(ipol2,i)
- enddo
- call pctile(tmp1,nhsym,40,base)
- snr2=0.01
- if(base.gt.0.0) snr2=0.398107*ccfbest2/base !### empirical
- syncshort=0.5*ccfbest2/rms - 4.0 !### better normalizer than rms?
- dt2=2.5 + lagpk2*(2048.0/11025.0)
-
- return
-end subroutine ccf65
diff --git a/q65w/libm65/cgen65.f90 b/q65w/libm65/cgen65.f90
deleted file mode 100644
index 096e9790d..000000000
--- a/q65w/libm65/cgen65.f90
+++ /dev/null
@@ -1,99 +0,0 @@
-subroutine cgen65(message,mode65,samfac,nsendingsh,msgsent,cwave,nwave)
-
-! Encodes a JT65 message into a wavefile.
-! Executes in 17 ms on opti-745.
-
- use packjt
-
- parameter (NMAX=60*96000) !Max length of wave file
- character*22 message !Message to be generated
- character*22 msgsent !Message as it will be received
- character*3 cok !' ' or 'OOO'
- real*8 t,dt,phi,f,f0,dfgen,dphi,twopi,samfac,tsymbol
- complex cwave(NMAX) !Generated complex wave file
- integer dgen(12)
- integer sent(63)
- logical first
- integer nprc(126)
- real pr(126)
- data nprc/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/
- data twopi/6.283185307179586476d0/,first/.true./
- save
-
- if(first) then
- do i=1,126
- pr(i)=2*nprc(i)-1
- enddo
- first=.false.
- endif
-
- call chkmsg(message,cok,nspecial,flip) !See if it's a shorthand
- if(nspecial.eq.0) then
- call packmsg(message,dgen,itype) !Pack message into 72 bits
- nsendingsh=0
- if(iand(dgen(10),8).ne.0) nsendingsh=-1 !Plain text flag
-
- call rs_encode(dgen,sent)
- call interleave63(sent,1) !Apply interleaving
- call graycode(sent,63,1) !Apply Gray code
- nsym=126 !Symbols per transmission
- tsymbol=4096.d0/11025.d0 !Time per symbol
- else
- nsendingsh=1 !Flag for shorthand message
- nsym=32
- tsymbol=16384.d0/11025.d0
- endif
-
-! Set up necessary constants
- dt=1.d0/(samfac*96000.d0)
- f0=118*11025.d0/1024
- dfgen=mode65*11025.d0/4096.d0
- t=0.d0
- phi=0.d0
- k=0
- j0=0
- ndata=nsym*96000.d0*samfac*tsymbol
-
- do i=1,ndata
- t=t+dt
- j=int(t/tsymbol) + 1 !Symbol number, 1-126
- if(j.ne.j0) then
- f=f0
- if(nspecial.ne.0 .and. mod(j,2).eq.0) f=f0+10*nspecial*dfgen
- if(nspecial.eq.0 .and. flip*pr(j).lt.0.0) then
- k=k+1
- f=f0+(sent(k)+2)*dfgen
- endif
- dphi=twopi*dt*f
- j0=j
- endif
- phi=phi+dphi
- if(phi.gt.twopi) phi=phi-twopi
- xphi=phi
- cwave(i)=cmplx(cos(xphi),-sin(xphi))
- enddo
-
- cwave(ndata+1:)=0
- nwave=ndata + 48000
- call unpackmsg(dgen,msgsent)
- if(flip.lt.0.0) then
- do i=22,1,-1
- if(msgsent(i:i).ne.' ') goto 10
- enddo
-10 msgsent=msgsent(1:i)//' OOO'
- endif
-
- if(nsendingsh.eq.1) then
- if(nspecial.eq.2) msgsent='RO'
- if(nspecial.eq.3) msgsent='RRR'
- if(nspecial.eq.4) msgsent='73'
- endif
-
- return
-end subroutine cgen65
diff --git a/q65w/libm65/decode1a.f90 b/q65w/libm65/decode1a.f90
deleted file mode 100644
index 4219c0043..000000000
--- a/q65w/libm65/decode1a.f90
+++ /dev/null
@@ -1,145 +0,0 @@
-subroutine decode1a(dd,newdat,f0,nflip,mode65,nfsample,xpol, &
- mycall,hiscall,hisgrid,neme,ndepth,nqd,dphi,ndphi, &
- nutc,nkhz,ndf,ipol,ntol,sync2,a,dt,pol,nkv,nhist,nsum,nsave, &
- qual,decoded)
-
-! Apply AFC corrections to a candidate JT65 signal, then decode it.
-
- use timer_module, only: timer
- parameter (NMAX=60*96000) !Samples per 60 s
- real*4 dd(4,NMAX) !92 MB: raw data from Linrad timf2
- complex cx(NMAX/64), cy(NMAX/64) !Data at 1378.125 samples/s
- complex c5x(NMAX/256),c5y(NMAX/256) !Data at 344.53125 Hz
- complex c5a(512)
- complex z
- real s2(66,126)
- real s3(64,63),sy(63)
- real a(5)
- logical first,xpol
- character decoded*22
- character mycall*12,hiscall*12,hisgrid*6
- data first/.true./,jjjmin/1000/,jjjmax/-1000/
- data nutc0/-999/,nhz0/-9999999/
- save
-
-! Mix sync tone to baseband, low-pass filter, downsample to 1378.125 Hz
- dt00=dt
- call timer('filbig ',0)
- call filbig(dd,NMAX,f0,newdat,nfsample,xpol,cx,cy,n5)
-! NB: cx, cy have sample rate 96000*77125/5376000 = 1378.125 Hz
- call timer('filbig ',1)
- if(mode65.eq.0) goto 900
- sqa=0.
- sqb=0.
- do i=1,n5
- sqa=sqa + real(cx(i))**2 + aimag(cx(i))**2
- if(xpol) sqb=sqb + real(cy(i))**2 + aimag(cy(i))**2
- enddo
- sqa=sqa/n5
- sqb=sqb/n5
-
-! Find best DF, f1, f2, DT, and pol. Start by downsampling to 344.53125 Hz
- if(xpol) then
- z=cmplx(cos(dphi),sin(dphi))
- cy(:n5)=z*cy(:n5) !Adjust for cable length difference
- endif
-! Add some zeros at start of c5 arrays -- empirical fix for negative DT's
- nadd=1089
- c5x(:nadd)=0.
- call fil6521(cx,n5,c5x(nadd+1),n6)
- if(xpol) then
- c5y(:nadd)=0.
- call fil6521(cy,n5,c5y(nadd+1),n6)
- endif
- n6=n6+nadd
-
- fsample=1378.125/4.
- a(5)=dt00
- i0=nint((a(5)+0.5)*fsample) - 2 + nadd
- if(i0.lt.1) then
- write(13,*) 'i0 too small in decode1a:',i0,f0
- flush(13)
- i0=1
- endif
- nz=n6+1-i0
-
-! We're looking only at sync tone here... so why not downsample by another
-! factor of 1/8, say? Should be a significant execution speed-up.
-! Best fit for DF, f1, f2, pol
- call afc65b(c5x(i0),c5y(i0),nz,fsample,nflip,ipol,xpol,ndphi,a,ccfbest,dtbest)
-
- pol=a(4)/57.2957795
- aa=cos(pol)
- bb=sin(pol)
- sq0=aa*aa*sqa + bb*bb*sqb
- sync2=3.7*ccfbest/sq0
-
-! Apply AFC corrections to the time-domain signal
-! Now we are back to using the 1378.125 Hz sample rate, enough to
-! accommodate the full JT65C bandwidth.
-
- call twkfreq_xy(cx,cy,n5,a)
-
-! Compute spectrum at best polarization for each half symbol.
-! Adding or subtracting a small number (e.g., 5) to j may make it decode.\
-! NB: might want to try computing full-symbol spectra (nfft=512, even for
-! submodes B and C).
-
- nsym=126
- nfft=512
- j=(dt00+dtbest+2.685)*1378.125
- if(j.lt.0) j=0
-
-
-! Perhaps should try full-symbol-length FFTs even in B, C sub-modes?
-! (Tried this, found no significant difference in decodes.)
-
- do k=1,nsym
-! do n=1,mode65
- do n=1,1
- do i=1,nfft
- j=min(j+1,NMAX/64)
- c5a(i)=aa*cx(j) + bb*cy(j)
- enddo
- call four2a(c5a,nfft,1,1,1)
- if(n.eq.1) then
- do i=1,66
-! s2(i,k)=real(c5a(i))**2 + aimag(c5a(i))**2
- jj=i
- if(mode65.eq.2) jj=2*i-1
- if(mode65.eq.4) jj=4*i-3
- s2(i,k)=real(c5a(jj))**2 + aimag(c5a(jj))**2
- enddo
- else
- do i=1,66
- s2(i,k)=s2(i,k) + real(c5a(i))**2 + aimag(c5a(i))**2
- enddo
- endif
- enddo
- enddo
-
- flip=nflip
- call timer('dec65b ',0)
- call decode65b(s2,flip,mycall,hiscall,hisgrid,mode65,neme,ndepth, &
- nqd,nkv,nhist,qual,decoded,s3,sy)
- dt=dt00 + dtbest + 1.7
- call timer('dec65b ',1)
-
- if(nqd.eq.1 .and. decoded.eq.' ') then
- nhz=1000*nkhz + ndf
- ihzdiff=min(500,ntol)
- if(nutc.ne.nutc0 .or. abs(nhz-nhz0).ge.ihzdiff) syncbest=0.
- if(sync2.gt.0.99999*syncbest) then
- nsave=nsave+1
- nsave=mod(nsave-1,64)+1
- npol=nint(57.296*pol)
-
- call s3avg(nsave,mode65,nutc,nhz,xdt,npol,ntol,s3,nsum,nkv,decoded)
- syncbest=sync2
- nhz0=nhz
- endif
- nutc0=nutc
- endif
-
-900 return
-end subroutine decode1a
diff --git a/q65w/libm65/decode65b.f90 b/q65w/libm65/decode65b.f90
deleted file mode 100644
index 9b3ebccda..000000000
--- a/q65w/libm65/decode65b.f90
+++ /dev/null
@@ -1,48 +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
-! 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
diff --git a/q65w/libm65/deep65.f90 b/q65w/libm65/deep65.f90
deleted file mode 100644
index d684cd15a..000000000
--- a/q65w/libm65/deep65.f90
+++ /dev/null
@@ -1,170 +0,0 @@
-subroutine deep65(s3,mode65,neme,flip,mycall,hiscall,hisgrid,decoded,qual)
-
- use timer_module, only: timer
- parameter (MAXCALLS=10000,MAXRPT=63)
- real s3(64,63)
- character callsign*12,grid*4,message*22,hisgrid*6,c*1,ceme*3
- character*12 mycall,hiscall
- character*22 decoded,bestmsg
- character*22 testmsg(2*MAXCALLS + 2 + MAXRPT)
- character*15 callgrid(MAXCALLS)
- character*180 line
- character*4 rpt(MAXRPT)
- integer ncode(63,2*MAXCALLS + 2 + MAXRPT)
- real pp(2*MAXCALLS + 2 + MAXRPT)
- common/mrscom/ mrs(63),mrs2(63)
- common/c3com/ mcall3a
- data rpt/'-01','-02','-03','-04','-05', &
- '-06','-07','-08','-09','-10', &
- '-11','-12','-13','-14','-15', &
- '-16','-17','-18','-19','-20', &
- '-21','-22','-23','-24','-25', &
- '-26','-27','-28','-29','-30', &
- 'R-01','R-02','R-03','R-04','R-05', &
- 'R-06','R-07','R-08','R-09','R-10', &
- 'R-11','R-12','R-13','R-14','R-15', &
- 'R-16','R-17','R-18','R-19','R-20', &
- 'R-21','R-22','R-23','R-24','R-25', &
- 'R-26','R-27','R-28','R-29','R-30', &
- 'RO','RRR','73'/
- save
-
- if(mcall3a.eq.0) go to 30
-
- call timer('deep65a ',0)
- mcall3a=0
- rewind 23
- k=0
- icall=0
- do n=1,MAXCALLS
- if(n.eq.1) then
- callsign=hiscall
- do i=4,12
- if(ichar(callsign(i:i)).eq.0) callsign(i:i)=' '
- enddo
- grid=hisgrid(1:4)
- if(ichar(grid(3:3)).eq.0) grid(3:3)=' '
- if(ichar(grid(4:4)).eq.0) grid(4:4)=' '
- else
- read(23,1002,end=20) line
-1002 format (A80)
- if(line(1:4).eq.'ZZZZ') go to 20
- if(line(1:2).eq.'//') go to 10
- i1=index(line,',')
- if(i1.lt.4) go to 10
- i2=index(line(i1+1:),',')
- if(i2.lt.5) go to 10
- i2=i2+i1
- i3=index(line(i2+1:),',')
- if(i3.lt.1) i3=index(line(i2+1:),' ')
- i3=i2+i3
- callsign=line(1:i1-1)
- grid=line(i1+1:i2-1)
- ceme=line(i2+1:i3-1)
- if(neme.eq.1 .and. ceme.ne.'EME') go to 10
- endif
-
- icall=icall+1
- j1=index(mycall,' ') - 1
- if(j1.le.-1) j1=12
- if(j1.lt.3) j1=6
- j2=index(callsign,' ') - 1
- if(j2.le.-1) j2=12
- if(j2.lt.3) j2=6
- j3=index(mycall,'/') ! j3>0 means compound mycall
- j4=index(callsign,'/') ! j4>0 means compound hiscall
- callgrid(icall)=callsign(1:j2)
-
- mz=1
-! Allow MyCall + HisCall + rpt (?)
- if(n.eq.1 .and. j3.lt.1 .and. j4.lt.1 .and. callsign(1:6).ne.' ') &
- mz=MAXRPT+1
- do m=1,mz
- if(m.gt.1) grid=rpt(m-1)
- if(j3.lt.1 .and.j4.lt.1) callgrid(icall)=callsign(1:j2)//' '//grid
- message=mycall(1:j1)//' '//callgrid(icall)
- k=k+1
- testmsg(k)=message
- call encode65(message,ncode(1,k))
-
-! Insert CQ message
- if(j4.lt.1) callgrid(icall)=callsign(1:j2)//' '//grid
- message='CQ '//callgrid(icall)
- k=k+1
- testmsg(k)=message
- call encode65(message,ncode(1,k))
- enddo
-10 continue
- enddo
-
-20 continue
- ntot=k
- call timer('deep65a ',1)
-
-30 continue
- call timer('deep65b ',0)
- ref0=0.
- do j=1,63
- ref0=ref0 + s3(mrs(j),j)
- enddo
-
- p1=-1.e30
- do k=1,ntot
- pp(k)=0.
- if(k.ge.2 .and. k.le.64 .and. flip.lt.0.0) cycle
-! Test all messages if flip=+1; skip the CQ messages if flip=-1.
- if(flip.gt.0.0 .or. testmsg(k)(1:3).ne.'CQ ') then
- sum=0.
- ref=ref0
- do j=1,63
- i=ncode(j,k)+1
- sum=sum + s3(i,j)
- if(i.eq.mrs(j)) ref=ref - s3(i,j) + s3(mrs2(j),j)
- enddo
- p=sum/ref
- pp(k)=p
- if(p.gt.p1) then
- p1=p
- ip1=k
- bestmsg=testmsg(k)
- endif
- endif
- enddo
-
- p2=-1.e30
- do i=1,ntot
- if(pp(i).gt.p2 .and. testmsg(i).ne.bestmsg) p2=pp(i)
- enddo
-
- if(mode65.eq.1) bias=max(1.12*p2,0.335)
- if(mode65.eq.2) bias=max(1.08*p2,0.405)
- if(mode65.ge.4) bias=max(1.04*p2,0.505)
-
- if(p2.eq.p1 .and. p1.ne.-1.e30) then
- open(77,file='error.log',status='unknown',access='append')
- write(77,*) p1,p2,ip1,bestmsg
- close(77)
- endif
-
- qual=100.0*(p1-bias)
-
- decoded=' '
- c=' '
-
- if(qual.gt.1.0) then
- if(qual.lt.6.0) c='?'
- decoded=testmsg(ip1)
- else
- qual=0.
- endif
- decoded(22:22)=c
-
-! Make sure everything is upper case.
- do i=1,22
- if(decoded(i:i).ge.'a' .and. decoded(i:i).le.'z') &
- decoded(i:i)=char(ichar(decoded(i:i))-32)
- enddo
- call timer('deep65b ',1)
-
- return
-end subroutine deep65
diff --git a/q65w/libm65/demod64a.f90 b/q65w/libm65/demod64a.f90
deleted file mode 100644
index 3b8ee03ce..000000000
--- a/q65w/libm65/demod64a.f90
+++ /dev/null
@@ -1,77 +0,0 @@
-subroutine demod64a(s3,nadd,mrsym,mrprob,mr2sym,mr2prob,ntest,nlow)
-
-! Demodulate the 64-bin spectra for each of 63 symbols in a frame.
-
-! Parameters
-! nadd number of spectra already summed
-! mrsym most reliable symbol value
-! mr2sym second most likely symbol value
-! mrprob probability that mrsym was the transmitted value
-! mr2prob probability that mr2sym was the transmitted value
-
- implicit real*8 (a-h,o-z)
- real*4 s3(64,63)
- real*8 fs(64)
- integer mrsym(63),mrprob(63),mr2sym(63),mr2prob(63)
- common/mrscom/ mrs(63),mrs2(63)
-
- afac=1.1 * float(nadd)**0.64
- scale=255.999
-
-! Compute average spectral value
- sum=0.
- do j=1,63
- do i=1,64
- sum=sum+s3(i,j)
- enddo
- enddo
- ave=sum/(64.*63.)
- i1=1 !Silence warning
- i2=1
-
-! Compute probabilities for most reliable symbol values
- do j=1,63
- s1=-1.e30
- fsum=0.
- psum=0.
- do i=1,64
- x=min(afac*s3(i,j)/ave,50.d0)
- fs(i)=exp(x)
- fsum=fsum+fs(i)
- psum=psum + s3(i,j)
- if(s3(i,j).gt.s1) then
- s1=s3(i,j)
- i1=i !Most reliable
- endif
- enddo
-
- s2=-1.e30
- do i=1,64
- if(i.ne.i1 .and. s3(i,j).gt.s2) then
- s2=s3(i,j)
- i2=i !Second most reliable
- endif
- enddo
-! p1=fs(i1)/fsum !Normalized probabilities
-! p2=fs(i2)/fsum
- p1=s1/psum
- p2=s2/psum
- mrsym(j)=i1-1
- mr2sym(j)=i2-1
- mrprob(j)=scale*p1
- mr2prob(j)=scale*p2
- mrs(j)=i1
- mrs2(j)=i2
- enddo
-
- sum=0.
- nlow=0
- do j=1,63
- sum=sum+mrprob(j)
- if(mrprob(j).le.5) nlow=nlow+1
- enddo
-! ntest=sum/63
- ntest=sum
-
- return
-end subroutine demod64a
diff --git a/q65w/libm65/display.f90 b/q65w/libm65/display.f90
deleted file mode 100644
index 158b57c53..000000000
--- a/q65w/libm65/display.f90
+++ /dev/null
@@ -1,183 +0,0 @@
-subroutine display(nkeep,ftol)
-
- parameter (MAXLINES=400,MX=400,MAXCALLS=500)
- integer indx(MAXLINES),indx2(MX)
- character*83 line(MAXLINES),line2(MX),line3(MAXLINES)
- character out*52,out0*52,cfreq0*3,livecq*58
- character*6 callsign,callsign0
- character*12 freqcall(MAXCALLS)
- real freqkHz(MAXLINES)
- integer utc(MAXLINES),utc2(MX),utcz
- real*8 f0
- save
-
- out0=' '
- rewind(26)
-
- do i=1,MAXLINES
- read(26,1010,end=10) line(i)
-1010 format(a77)
- read(line(i),1020) f0,ndf,nh,nm
-1020 format(f8.3,i5,25x,i3,i2)
- utc(i)=60*nh + nm
- freqkHz(i)=1000.d0*(f0-144.d0) + 0.001d0*ndf
- enddo
-
-10 backspace(26)
- nz=i-1
- utcz=utc(nz)
- nz=nz-1
- if(nz.lt.1) go to 999
- nquad=max(nkeep/4,3)
- do i=1,nz
- nage=utcz-utc(i)
- if(nage.lt.0) nage=nage+1440
- iage=nage/nquad
- write(line(i)(73:74),1021) iage
-1021 format(i2)
- enddo
-
- nage=utcz-utc(1)
- if(nage.lt.0) nage=nage+1440
- if(nage.gt.nkeep) then
- do i=1,nz
- nage=utcz-utc(i)
- if(nage.lt.0) nage=nage+1440
- if(nage.le.nkeep) go to 20
- enddo
-20 i0=i
- nz=nz-i0+1
- rewind(26)
- if(nz.lt.1) go to 999
- do i=1,nz
- j=i+i0-1
- line(i)=line(j)
- utc(i)=utc(j)
- freqkHz(i)=freqkHz(j)
- write(26,1022) line(i)
-1022 format(a77)
- enddo
- endif
-
- call flush(26)
- call indexx(freqkHz,nz,indx)
-
- nstart=1
- k3=0
- k=1
- m=indx(1)
- if(m.lt.1 .or. m.gt.MAXLINES) then
- print*,'Error in display.f90: ',nz,m
- m=1
- endif
- line2(1)=line(m)
- utc2(1)=utc(m)
- do i=2,nz
- j0=indx(i-1)
- j=indx(i)
- if(freqkHz(j)-freqkHz(j0).gt.2.0*ftol) then
- if(nstart.eq.0) then
- k=k+1
- line2(k)=""
- utc2(k)=-1
- endif
- kz=k
- if(nstart.eq.1) then
- call indexx(float(utc2(1:kz)),kz,indx2)
- k3=0
- do k=1,kz
- k3=min(k3+1,400)
- line3(k3)=line2(indx2(k))
- enddo
- nstart=0
- else
- call indexx(float(utc2(1:kz)),kz,indx2)
- do k=1,kz
- k3=min(k3+1,400)
- line3(k3)=line2(indx2(k))
- enddo
- endif
- k=0
- endif
- if(i.eq.nz) then
- k=k+1
- line2(k)=""
- utc2(k)=-1
- endif
- k=k+1
- line2(k)=line(j)
- utc2(k)=utc(j)
- j0=j
- enddo
- kz=k
- call indexx(float(utc2(1:kz)),kz,indx2)
- do k=1,kz
- k3=min(k3+1,400)
- line3(k3)=line2(indx2(k))
- enddo
-
- rewind 19
- rewind 20
- cfreq0=' '
- nc=0
- callsign0=' '
- do k=1,k3
- out=line3(k)(6:13)//line3(k)(28:31)//line3(k)(39:45)// &
- line3(k)(35:38)//line3(k)(46:74)
- if(out(1:3).ne.' ') then
- cfreq0=out(1:3)
- livecq=line3(k)(6:13)//line3(k)(28:31)//line3(k)(39:45)// &
- line3(k)(23:27)//line3(k)(35:38)//line3(k)(46:70)// &
- line3(k)(73:77)
- if(livecq(56:56).eq.':') livecq(56:58)=' '//livecq(56:57)
- if(index(livecq,' CQ ').gt.0 .or. index(livecq,' QRZ ').gt.0 .or. &
- index(livecq,' QRT ').gt.0 .or. index(livecq,' CQV ').gt.0 .or. &
- index(livecq,' CQH ').gt.0) write(19,1029) livecq
-1029 format(a58)
-
-! Suppress listing duplicate (same time, decoded message, and frequency)
- if(out(14:17).ne.out0(14:17) .or. out(26:50).ne.out0(26:50) .or. &
- out(1:3).ne.out0(1:3)) then
-!###
-! write(*,1030) out !Messages
-!1030 format('@',a52)
-!###
- out0=out
- endif
-
- i1=index(out(26:),' ')
- callsign=out(i1+26:)
- i2=index(callsign,' ')
- if(i2.gt.1) callsign(i2:)=' '
- if(callsign.ne.' ' .and. callsign.ne.callsign0) then
- len=i2-1
- if(len.lt.0) len=6
- if(len.ge.4) then !Omit short "callsigns"
- if(nc.lt.MAXCALLS) nc=nc+1
- freqcall(nc)=cfreq0//' '//callsign//line3(k)(73:74)
- callsign0=callsign
- endif
- endif
- if(callsign.ne.' ' .and. callsign.eq.callsign0) then
- freqcall(nc)=cfreq0//' '//callsign//line3(k)(73:74)
- endif
- endif
- enddo
- flush(19)
- if(nc.lt.MAXCALLS) nc=nc+1
- freqcall(nc)=' '
- if(nc.lt.MAXCALLS) nc=nc+1
- freqcall(nc)=' '
- freqcall(nc+1)=' '
- freqcall(nc+2)=' '
-
-!###
-! do i=1,nc
-! write(*,1042) freqcall(i) !Band Map
-!1042 format('&',a12)
-! enddo
-!###
-
-999 continue
- return
-end subroutine display
diff --git a/q65w/libm65/dpol.f90 b/q65w/libm65/dpol.f90
deleted file mode 100644
index 3f8085c0a..000000000
--- a/q65w/libm65/dpol.f90
+++ /dev/null
@@ -1,41 +0,0 @@
-real function dpol(mygrid,hisgrid)
-
-! Compute spatial polartzation offset in degrees for the present
-! time, between two specified grid locators.
-
- character*6 MyGrid,HisGrid
- real lat,lon,LST
- character cdate*8,ctime2*10,czone*5
- integer it(8)
- data rad/57.2957795/
-
- call date_and_time(cdate,ctime2,czone,it)
- nyear=it(1)
- month=it(2)
- nday=it(3)
- nh=it(5)-it(4)/60
- nm=it(6)
- ns=it(7)
- uth=nh + nm/60.0 + ns/3600.0
-
- call grid2deg(MyGrid,lon,lat)
- call MoonDop(nyear,month,nday,uth,-lon,lat,RAMoon,DecMoon, &
- LST,HA,AzMoon,ElMoon,vr,dist)
- xx=sin(lat/rad)*cos(ElMoon/rad) - cos(lat/rad)* &
- cos(AzMoon/rad)*sin(ElMoon/rad)
- yy=cos(lat/rad)*sin(AzMoon/rad)
- poloffset1=rad*atan2(yy,xx)
-
- call grid2deg(hisGrid,lon,lat)
- call MoonDop(nyear,month,nday,uth,-lon,lat,RAMoon,DecMoon, &
- LST,HA,AzMoon,ElMoon,vr,dist)
- xx=sin(lat/rad)*cos(ElMoon/rad) - cos(lat/rad)* &
- cos(AzMoon/rad)*sin(ElMoon/rad)
- yy=cos(lat/rad)*sin(AzMoon/rad)
- poloffset2=rad*atan2(yy,xx)
-
- dpol=mod(poloffset2-poloffset1+720.0,180.0)
- if(dpol.gt.90.0) dpol=dpol-180.0
-
- return
-end function dpol
diff --git a/q65w/libm65/encode65.f90 b/q65w/libm65/encode65.f90
deleted file mode 100644
index 920d9c841..000000000
--- a/q65w/libm65/encode65.f90
+++ /dev/null
@@ -1,14 +0,0 @@
-subroutine encode65(message,sent)
-
- use packjt
- character message*22
- integer dgen(12)
- integer sent(63)
-
- call packmsg(message,dgen,itype)
- call rs_encode(dgen,sent)
- call interleave63(sent,1)
- call graycode(sent,63,1)
-
- return
-end subroutine encode65
diff --git a/q65w/libm65/extract.f90 b/q65w/libm65/extract.f90
deleted file mode 100644
index 4d8af58a9..000000000
--- a/q65w/libm65/extract.f90
+++ /dev/null
@@ -1,136 +0,0 @@
-subroutine extract(s3,nadd,ncount,nhist,decoded,ltext)
-
- use packjt
- use timer_module, only: timer
- real s3(64,63)
- character decoded*22
- integer dat4(12)
- integer mrsym(63),mr2sym(63),mrprob(63),mr2prob(63)
- logical first,ltext
- integer correct(63),itmp(63)
- integer param(0:8)
- integer h0(0:11),d0(0:11)
- real r0(0:11)
- common/test001/s3a(64,63),mrs(63),mrs2(63) !### TEST ONLY ###
-
-! 0 1 2 3 4 5 6 7 8 9 10 11
- data h0/41,42,43,43,44,45,46,47,48,48,49,49/
- data d0/71,72,73,74,76,77,78,80,81,82,83,83/
-! 0 1 2 3 4 5 6 7 8 9 10 11
- data r0/0.70,0.72,0.74,0.76,0.78,0.80,0.82,0.84,0.86,0.88,0.90,0.90/
-
- data first/.true./,nsec1/0/
- save
-
- nfail=0
- call pctile(s3,4032,50,base) ! ### or, use ave from demod64a
- s3=s3/base
- s3a=s3
-1 call demod64a(s3,nadd,mrsym,mrprob,mr2sym,mr2prob,ntest,nlow)
-! if(ntest.lt.50 .or. nlow.gt.20) then
-! ncount=-999 !Flag bad data
-! go to 900
-! endif
- call chkhist(mrsym,nhist,ipk)
-
- if(nhist.ge.20) then
- nfail=nfail+1
- call pctile(s3,4032,50,base) ! ### or, use ave from demod64a
- s3(ipk,1:63)=base
- if(nfail.gt.30) then
- decoded=' '
- ncount=-1
- go to 900
- endif
- go to 1
- endif
-
- mrs=mrsym
- mrs2=mr2sym
-
- call graycode(mrsym,63,-1)
- call interleave63(mrsym,-1)
- call interleave63(mrprob,-1)
-
- call graycode(mr2sym,63,-1)
- call interleave63(mr2sym,-1)
- call interleave63(mr2prob,-1)
-
- ntrials=10000
- naggressive=10
-
- ntry=0
- param=0
-
- call timer('ftrsd ',0)
- call ftrsd2(mrsym,mrprob,mr2sym,mr2prob,ntrials,correct,param,ntry)
- call timer('ftrsd ',1)
- ncandidates=param(0)
- nhard=param(1)
- nsoft=param(2)
- nerased=param(3)
- rtt=0.001*param(4)
- ntotal=param(5)
- qual=0.001*param(7)
- nd0=81
- r00=0.87
- if(naggressive.eq.10) then
- nd0=83
- r00=0.90
- endif
- if(ntotal.le.nd0 .and. rtt.le.r00) nft=1
- n=naggressive
- if(nhard.gt.50) nft=0
- if(nhard.gt.h0(n)) nft=0
- if(ntotal.gt.d0(n)) nft=0
- if(rtt.gt.r0(n)) nft=0
-
- ncount=-1
- decoded=' '
- ltext=.false.
- if(nft.gt.0) then
-! Turn the corrected symbol array into channel symbols for subtraction;
-! pass it back to jt65a via common block "chansyms65".
- do i=1,12
- dat4(i)=correct(13-i)
- enddo
- do i=1,63
- itmp(i)=correct(64-i)
- enddo
- correct(1:63)=itmp(1:63)
- call interleave63(correct,1)
- call graycode65(correct,63,1)
- call unpackmsg(dat4,decoded) !Unpack the user message
- ncount=0
- if(iand(dat4(10),8).ne.0) ltext=.true.
- endif
-900 continue
- if(nft.eq.1 .and. nhard.lt.0) decoded=' '
-! write(81,3001) naggressive,ncandidates,nhard,ntotal,rtt,qual,decoded
-!3001 format(i2,i6,i3,i4,2f8.2,2x,a22)
-
- return
-end subroutine extract
-
-subroutine getpp(workdat,p)
-
- integer workdat(63)
- integer a(63)
- common/test001/s3a(64,63),mrs(63),mrs2(63)
-
- a(1:63)=workdat(63:1:-1)
- call interleave63(a,1)
- call graycode(a,63,1)
-
- psum=0.
- do j=1,63
- i=a(j)+1
- x=s3a(i,j)
- s3a(i,j)=0.
- psum=psum + x
- s3a(i,j)=x
- enddo
- p=psum/63.0
-
- return
-end subroutine getpp
diff --git a/q65w/libm65/fchisq.f90 b/q65w/libm65/fchisq.f90
deleted file mode 100644
index 7d0305831..000000000
--- a/q65w/libm65/fchisq.f90
+++ /dev/null
@@ -1,77 +0,0 @@
-real function fchisq(cx,cy,npts,fsample,nflip,a,ccfmax,dtmax)
-
- use timer_module, only: timer
- 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=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
diff --git a/q65w/libm65/fil6521.f90 b/q65w/libm65/fil6521.f90
deleted file mode 100644
index f588d0c15..000000000
--- a/q65w/libm65/fil6521.f90
+++ /dev/null
@@ -1,44 +0,0 @@
-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-1)/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
diff --git a/q65w/libm65/fmtmsg.f90 b/q65w/libm65/fmtmsg.f90
deleted file mode 100644
index 2ceb81554..000000000
--- a/q65w/libm65/fmtmsg.f90
+++ /dev/null
@@ -1,21 +0,0 @@
-subroutine fmtmsg(msg,iz)
-
- character*22 msg
-
-! Convert all letters to upper case
- iz=22
- do i=1,22
- if(msg(i:i).ge.'a' .and. msg(i:i).le.'z') &
- msg(i:i)= char(ichar(msg(i:i))+ichar('A')-ichar('a'))
- if(msg(i:i).ne.' ') iz=i
- enddo
-
- do iter=1,5 !Collapse multiple blanks into one
- ib2=index(msg(1:iz),' ')
- if(ib2.lt.1) go to 100
- msg=msg(1:ib2)//msg(ib2+2:)
- iz=iz-1
- enddo
-
-100 return
-end subroutine fmtmsg
diff --git a/q65w/libm65/gen65.f90 b/q65w/libm65/gen65.f90
deleted file mode 100644
index f09d0868a..000000000
--- a/q65w/libm65/gen65.f90
+++ /dev/null
@@ -1,99 +0,0 @@
-subroutine gen65(message,mode65,samfac,nsendingsh,msgsent,iwave,nwave)
-
-! Encodes a JT65 message into a wavefile.
-! Executes in 17 ms on opti-745.
-
- use packjt
-
- parameter (NMAX=2*60*11025) !Max length of wave file
- character*22 message !Message to be generated
- character*22 msgsent !Message as it will be received
- character*3 cok !' ' or 'OOO'
- real*8 dt,phi,f,f0,dfgen,dphi,twopi,samfac
- integer*2 iwave(NMAX) !Generated wave file
- integer dgen(12)
- integer sent(63)
- logical first
- integer nprc(126)
- real pr(126)
- data nprc/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/
- data twopi/6.283185307179586476d0/,first/.true./
- save
-
- if(first) then
- do i=1,126
- pr(i)=2*nprc(i)-1
- enddo
- first=.false.
- endif
-
- call chkmsg(message,cok,nspecial,flip)
- if(nspecial.eq.0) then
- call packmsg(message,dgen,itype) !Pack message into 72 bits
- nsendingsh=0
- if(iand(dgen(10),8).ne.0) nsendingsh=-1 !Plain text flag
-
- call rs_encode(dgen,sent)
- call interleave63(sent,1) !Apply interleaving
- call graycode(sent,63,1) !Apply Gray code
- nsym=126 !Symbols per transmission
- nsps=4096
- else
- nsym=32
- nsps=16384
- nsendingsh=1 !Flag for shorthand message
- endif
- if(mode65.eq.0) go to 900
-
-! Set up necessary constants
- dt=1.d0/(samfac*11025.d0)
- f0=118*11025.d0/1024
- dfgen=mode65*11025.d0/4096.d0
- phi=0.d0
- dphi=twopi*dt*f0
- i=0
- k=0
- do j=1,nsym
- if(message(1:5).ne.'@TUNE') then
- f=f0
- if(nspecial.ne.0 .and. mod(j,2).eq.0) f=f0+10*nspecial*dfgen
- if(nspecial.eq.0 .and. flip*pr(j).lt.0.0) then
- k=k+1
- f=f0+(sent(k)+2)*dfgen
- endif
- dphi=twopi*dt*f
- endif
- do ii=1,nsps
- phi=phi+dphi
- if(phi.gt.twopi) phi=phi-twopi
- xphi=phi
- i=i+1
- iwave(2*i-1)=32767.0*cos(xphi)
- iwave(2*i)=32767.0*sin(xphi)
- enddo
- enddo
-
- iwave(2*nsym*nsps+1:)=0
- nwave=2*nsym*nsps + 5512
- call unpackmsg(dgen,msgsent)
- if(flip.lt.0.0) then
- do i=22,1,-1
- if(msgsent(i:i).ne.' ') goto 10
- enddo
-10 msgsent=msgsent(1:i)//' OOO'
- endif
-
- if(nsendingsh.eq.1) then
- if(nspecial.eq.2) msgsent='RO'
- if(nspecial.eq.3) msgsent='RRR'
- if(nspecial.eq.4) msgsent='73'
- endif
-
-900 return
-end subroutine gen65
diff --git a/q65w/libm65/gen_q65_cwave.f90 b/q65w/libm65/gen_q65_cwave.f90
deleted file mode 100644
index 0e3d00074..000000000
--- a/q65w/libm65/gen_q65_cwave.f90
+++ /dev/null
@@ -1,52 +0,0 @@
-subroutine gen_q65_cwave(msg,ntxfreq,ntone_spacing,msgsent,cwave,nwave)
-
-! Encodes a Q65 message to yield complex cwave() at fsample = 96000 Hz
-
- use packjt
- use q65_encoding
- parameter (NMAX=60*96000)
- character*22 msg
- character*22 msgsent !Message as it will be received
- character*37 msg37
- real*8 t,dt,phi,f,f0,dfgen,dphi,twopi,tsym
- complex cwave(NMAX)
- integer codeword(65),itone(85)
- integer icos7(0:6)
- data icos7/2,5,6,0,4,1,3/ !Defines a 7x7 Costas array
- data twopi/6.283185307179586476d0/
- save
-
- msgsent=msg
- msg37=''
- msg37(1:22)=msg
- call get_q65_tones(msg37,codeword,itone)
-
-! Set up necessary constants
- nsym=85
- tsym=7200.d0/12000.d0
- dt=1.d0/96000.d0
- f0=ntxfreq
- dfgen=ntone_spacing*12000.d0/7200.d0
- phi=0.d0
- dphi=twopi*dt*f0
- i=0
- nwave=85*7200*96000.d0/12000.d0
- t=0.d0
- j0=0
- do i=1,nwave
- t=t+dt
- j=t/tsym + 1
- if(j.gt.85) exit
- if(j.ne.j0) then
- f=f0 + itone(j)*dfgen
- dphi=twopi*dt*f
- j0=j
- endif
- phi=phi+dphi
- if(phi.gt.twopi) phi=phi-twopi
- xphi=phi
- cwave(i)=cmplx(cos(xphi),-sin(xphi))
- enddo
-
-999 return
-end subroutine gen_q65_cwave
diff --git a/q65w/libm65/gen_q65_wave.f90 b/q65w/libm65/gen_q65_wave.f90
deleted file mode 100644
index bd91c8ddb..000000000
--- a/q65w/libm65/gen_q65_wave.f90
+++ /dev/null
@@ -1,54 +0,0 @@
-subroutine gen_q65_wave(msg,ntxfreq,mode65,msgsent,iwave,nwave)
-
-! Encodes a Q65 message to yield complex iwave() at fsample = 11025 Hz
-
- use packjt
- use q65_encoding
- parameter (NMAX=2*60*11025)
- character*22 msg
- character*22 msgsent !Message as it will be received
- character*37 msg37
- real*8 t,dt,phi,f,f0,dfgen,dphi,twopi,tsym
- integer codeword(65),itone(85)
- integer*2 iwave(NMAX)
- integer icos7(0:6)
- data icos7/2,5,6,0,4,1,3/ !Defines a 7x7 Costas array
- data twopi/6.283185307179586476d0/
- save
-
- msgsent=msg
- msg37=''
- msg37(1:22)=msg
- call get_q65_tones(msg37,codeword,itone)
-
-! Set up necessary constants
- nsym=85
- tsym=7200.d0/12000.d0
- dt=1.d0/11025.d0
- f0=ntxfreq
- ndf=2**(mode65-1)
- dfgen=ndf*12000.d0/7200.d0
- phi=0.d0
- dphi=twopi*dt*f0
- i=0
- iz=85*7200*11025.d0/12000.d0
- t=0.d0
- j0=0
- do i=1,iz
- t=t+dt
- j=t/tsym + 1.0
- if(j.ne.j0) then
- f=f0 + itone(j)*dfgen
- dphi=twopi*dt*f
- j0=j
- endif
- phi=phi+dphi
- if(phi.gt.twopi) phi=phi-twopi
- xphi=phi
- iwave(2*i-1)=32767.0*cos(xphi)
- iwave(2*i)=32767.0*sin(xphi)
- enddo
- nwave=2*iz
-
-999 return
-end subroutine gen_q65_wave
diff --git a/q65w/libm65/graycode65.f90 b/q65w/libm65/graycode65.f90
deleted file mode 100644
index bb2c669ce..000000000
--- a/q65w/libm65/graycode65.f90
+++ /dev/null
@@ -1,9 +0,0 @@
-subroutine graycode65(dat,n,idir)
-
- integer dat(n)
- do i=1,n
- dat(i)=igray(dat(i),idir)
- enddo
-
- return
-end subroutine graycode65
diff --git a/q65w/libm65/jt65code.f90 b/q65w/libm65/jt65code.f90
deleted file mode 100644
index b232fcdd6..000000000
--- a/q65w/libm65/jt65code.f90
+++ /dev/null
@@ -1,47 +0,0 @@
-program JT65code
-
-! Provides examples of message packing, bit and symbol ordering,
-! Reed Solomon encoding, and other necessary details of the JT65
-! protocol.
-
- character*22 msg0,msg,decoded,cok*3
- integer dgen(12),sent(63),recd(12),era(51)
-
- nargs=iargc()
- if(nargs.ne.1) then
- print*,'Usage: JT65code "message"'
- go to 999
- endif
-
- call getarg(1,msg0) !Get message from command line
- msg=msg0
-
- call chkmsg(msg,cok,nspecial,flip) !See if it includes "OOO" report
- if(nspecial.gt.0) then !or is a shorthand message
- write(*,1010)
-1010 format('Shorthand message.')
- go to 999
- endif
-
- call packmsg(msg,dgen) !Pack message into 72 bits
- write(*,1020) msg0
-1020 format('Message: ',a22) !Echo input message
- if(iand(dgen(10),8).ne.0) write(*,1030) !Is plain text bit set?
-1030 format('Plain text.')
- write(*,1040) dgen
-1040 format('Packed message, 6-bit symbols: ',12i3) !Display packed symbols
-
- call rs_encode(dgen,sent) !RS encode
- call interleave63(sent,1) !Interleave channel symbols
- call graycode(sent,63,1) !Apply Gray code
- write(*,1050) sent
-1050 format('Channel symbols, including FEC:'/(i5,20i3))
-
- call graycode(sent,63,-1)
- call interleave63(sent,-1)
- call rs_decode(sent,era,0,recd,nerr)
- call unpackmsg(recd,decoded) !Unpack the user message
- write(*,1060) decoded,cok
-1060 format('Decoded message: ',a22,2x,a3)
-
-999 end program JT65code
diff --git a/q65w/libm65/map65a.f90 b/q65w/libm65/map65a.f90
index 1ddc624e9..c1b86bd16 100644
--- a/q65w/libm65/map65a.f90
+++ b/q65w/libm65/map65a.f90
@@ -211,8 +211,6 @@ subroutine map65a(dd,ss,savg,newdat,nutc,fcenter,ntol,idphi,nfa,nfb, &
if(npol.lt.0) npol=npol+180
endif
- call txpol(xpol,decoded,mygrid,npol,nxant,ntxpol,cp)
-
cmode='#A'
if(mode65.eq.2) cmode='#B'
if(mode65.eq.4) cmode='#C'
diff --git a/q65w/libm65/mapsim.f90 b/q65w/libm65/mapsim.f90
deleted file mode 100644
index e58485f6c..000000000
--- a/q65w/libm65/mapsim.f90
+++ /dev/null
@@ -1,229 +0,0 @@
-program mapsim
-
-! Generate simulated data for testing of MAP65
-
- parameter (NMAX=60*96000)
- real*4 d4(4,NMAX) !Floating-point data
- integer*2 id4(4,NMAX) !i*2 data, dual polarization
- integer*2 id2(2,NMAX) !i*2 data, single polarization
- complex cwave(NMAX) !Generated complex waveform (no noise)
- complex z,zx,zy
- real*8 fcenter,fsample,samfac,f,dt,twopi,phi,dphi
- logical bq65
- character msg0*22,message*22,msgsent*22,arg*8,fname*11,mode*2
- character*16 msg_list(60)
- data msg_list/ &
- 'W1AAA K2BBB EM00','W2CCC K3DDD EM01','W3EEE K4FFF EM02', &
- 'W5GGG K6HHH EM03','W7III K8JJJ EM04','W9KKK K0LLL EM05', &
- 'G0MMM F1NNN JN06','G2OOO F3PPP JN07','G4QQQ F5RRR JN08', &
- 'G6SSS F7TTT JN09','W1XAA K2XBB EM10','W2XCC K3XDD EM11', &
- 'W3XEE K4XFF EM12','W5XGG K6XHH EM13','W7XII K8XJJ EM14', &
- 'W9XKK K0XLL EM15','G0XMM F1XNN JN16','G2XOO F3XPP JN17', &
- 'G4XQQ F5XRR JN18','G6XSS F7XTT JN19','W1YAA K2YBB EM20', &
- 'W2YCC K3YDD EM21','W3YEE K4YFF EM22','W5YGG K6YHH EM23', &
- 'W7YII K8YJJ EM24','W9YKK K0YLL EM25','G0YMM F1YNN JN26', &
- 'G2YOO F3YPP JN27','G4YQQ F5YRR JN28','G6YSS F7YTT JN29', &
- 'W1ZAA K2ZBB EM30','W2ZCC K3ZDD EM31','W3ZEE K4ZFF EM32', &
- 'W5ZGG K6ZHH EM33','W7ZII K8ZJJ EM34','W9ZKK K0ZLL EM35', &
- 'G0ZMM F1ZNN JN36','G2ZOO F3ZPP JN37','G4ZQQ F5ZRR JN38', &
- 'G6ZSS F7ZTT JN39','W1AXA K2BXB EM40','W2CXC K3DXD EM41', &
- 'W3EXE K4FXF EM42','W5GXG K6HXH EM43','W7IXI K8JXJ EM44', &
- 'W9KXK K0LXL EM45','G0MXM F1NXN JN46','G2OXO F3PXP JN47', &
- 'G4QXQ F5RXR JN48','G6SXS F7TXT JN49','W1AYA K2BYB EM50', &
- 'W2CYC K3DYD EM51','W3EYE K4FYF EM52','W5GYG K6HYH EM53', &
- 'W7IYI K8JYJ EM54','W9KYK K0LYL EM55','G0MYM F1NYN JN56', &
- 'G2OYO F3PYP JN57','G4QYQ F5RYR JN58','G6SYS F7TYT JN59'/
-
- nargs=iargc()
- if(nargs.ne.10) then
- print*,'Usage: mapsim "message" mode DT fa fb nsigs pol fDop SNR nfiles'
- print*,'Example: mapsim "CQ K1ABC FN42" B 2.5 -20 20 21 45 0.0 -20 1'
- print*,' '
- print*,' mode = A B C for JT65; QA-QE for Q65-60A'
- print*,' fa = lowest freq in kHz, relative to center'
- print*,' fb = highest freq in kHz, relative to center'
- print*,' message = "list" to use callsigns from list'
- print*,' pol = -1 to generate a range of polarization angles.'
- print*,' SNR = 0 to generate a range of SNRs.'
- go to 999
- endif
-
- call getarg(1,msg0)
- call getarg(2,mode) !JT65 sub-mode (A B C QA-QE)
- call getarg(3,arg)
- read(arg,*) dt0 !Time delay
- call getarg(4,arg)
- read(arg,*) fa !Lowest freq (kHz, relative to fcenter)
- call getarg(5,arg)
- read(arg,*) fb !Highest freq
- call getarg(6,arg)
- read(arg,*) nsigs !Number of signals in each file
- call getarg(7,arg)
- read(arg,*) npol !Polarization in degrees
- pol=npol
- call getarg(8,arg)
- read(arg,*) fdop !Doppler spread
- call getarg(9,arg)
- read(arg,*) snrdb !S/N
- call getarg(10,arg)
- read(arg,*) nfiles !Number of files
-
- message=msg0 !Transmitted message
- rmsdb=25.
- rms=10.0**(0.05*rmsdb)
- fcenter=144.125d0 !Center frequency (MHz)
- fsample=96000.d0 !Sample rate (Hz)
- dt=1.d0/fsample !Sample interval (s)
- twopi=8.d0*atan(1.d0)
- rad=360.0/twopi
- samfac=1.d0
- bq65=(mode(1:1).eq.'Q')
- ntone_spacing=1
- ntxfreq=1270
- fac=1.0/32767.0
- if(mode(1:1).eq.'B' .or. mode(2:2).eq.'B') ntone_spacing=2
- if(mode(1:1).eq.'C' .or. mode(2:2).eq.'C') ntone_spacing=4
- if(mode(2:2).eq.'D') ntone_spacing=8
- if(mode(2:2).eq.'E') ntone_spacing=16
- npts=NMAX
-
- write(*,1000)
-1000 format('File N Mode DT freq pol fDop SNR Message'/68('-'))
-
- do ifile=1,nfiles
- ilist=0
- nmin=ifile-1
- if(mode(2:2).eq.' ') nmin=2*nmin
- write(fname,1002) nmin !Create the output filenames
-1002 format('000000_',i4.4)
- open(10,file=fname//'.iq',access='stream',status='unknown')
- open(11,file=fname//'.tf2',access='stream',status='unknown')
-
- call noisegen(d4,npts) !Generate Gaussuian noise
-
- if(msg0(1:4).ne.'list') then
- if(bq65) then
- call gen_q65_cwave(message,ntxfreq,ntone_spacing,msgsent, &
- cwave,nwave)
- else
- call cgen65(message,ntone_spacing,samfac,nsendingsh,msgsent, &
- cwave,nwave)
- endif
- endif
-
- if(fdop.gt.0.0) call dopspread(cwave,fdop)
-
- do isig=1,nsigs
-
- if(msg0(1:4).eq.'list') then
- ilist=ilist+1
- message=msg_list(ilist)
- if(bq65) then
- call gen_q65_cwave(message,ntxfreq,ntone_spacing,msgsent, &
- cwave,nwave)
- else
- call cgen65(message,ntone_spacing,samfac,nsendingsh,msgsent, &
- cwave,nwave)
- endif
- endif
-
- if(npol.lt.0) pol=(isig-1)*180.0/nsigs
- a=cos(pol/rad)
- b=sin(pol/rad)
- f=1000.0*(fa+fb)/2.0
- if(nsigs.gt.1) f=1000.0*(fa + (isig-1)*(fb-fa)/(nsigs-1.0))
- dphi=twopi*f*dt + 0.5*twopi
-
- snrdbx=snrdb
- if(snrdb.eq.0.0) snrdbx=-15.0 - 15.0*(isig-1.0)/nsigs
- sig=sqrt(2.2*2500.0/96000.0) * 10.0**(0.05*snrdbx)
- write(*,1020) ifile,isig,mode,dt0,0.001*f,nint(pol),fDop,snrdbx,msgsent
-1020 format(i3,i3,2x,a2,f6.2,f8.3,i5,2f7.1,2x,a22)
-
- phi=0.
-! i0=fsample*(3.5d0+0.05d0*(isig-1))
- i0=fsample*(1.d0 + dt0)
- do i=1,nwave
- phi=phi + dphi
- if(phi.lt.-twopi) phi=phi+twopi
- if(phi.gt.twopi) phi=phi-twopi
- xphi=phi
- z=sig*cwave(i)*cmplx(cos(xphi),-sin(xphi))
- zx=a*z
- zy=b*z
- j=i+i0
- d4(1,j)=d4(1,j) + real(zx)
- d4(2,j)=d4(2,j) + aimag(zx)
- d4(3,j)=d4(3,j) + real(zy)
- d4(4,j)=d4(4,j) + aimag(zy)
- enddo
- enddo
-
- do i=1,npts
- id4(1,i)=nint(rms*d4(1,i))
- id4(2,i)=nint(rms*d4(2,i))
- id4(3,i)=nint(rms*d4(3,i))
- id4(4,i)=nint(rms*d4(4,i))
- id2(1,i)=id4(1,i)
- id2(2,i)=id4(2,i)
- enddo
-
- write(10) fcenter,id2(1:2,1:npts)
- write(11) fcenter,id4(1:4,1:npts)
- close(10)
- close(11)
- enddo
-
-999 end program mapsim
-
-subroutine dopspread(cwave,fspread)
-
- parameter (NMAX=60*96000)
- parameter (NFFT=NMAX,NH=NFFT/2)
- complex cwave(NMAX)
- complex cspread(0:NMAX-1)
-
- twopi=8.0*atan(1.0)
- df=96000.0/nfft
- cspread(0)=1.0
- cspread(NH)=0.
- b=6.0 !Use truncated Lorenzian shape for fspread
- do i=1,NH
- f=i*df
- x=b*f/fspread
- z=0.
- a=0.
- if(x.lt.3.0) then !Cutoff beyond x=3
- a=sqrt(1.111/(1.0+x*x)-0.1) !Lorentzian amplitude
- phi1=twopi*rran() !Random phase
- z=a*cmplx(cos(phi1),sin(phi1))
- endif
- cspread(i)=z
- z=0.
- if(x.lt.3.0) then !Same thing for negative freqs
- phi2=twopi*rran()
- z=a*cmplx(cos(phi2),sin(phi2))
- endif
- cspread(nfft-i)=z
- enddo
-
- call four2a(cspread,nfft,1,1,1) !Transform to time domain
-
- sum=0.
- do i=0,nfft-1
- p=real(cspread(i))**2 + aimag(cspread(i))**2
- sum=sum+p
- enddo
- avep=sum/nfft
- fac=sqrt(1.0/avep)
- cspread=fac*cspread !Normalize to constant avg power
- cwave=cspread*cwave !Apply Rayleigh fading
-
-! do i=0,nfft-1
-! p=real(cspread(i))**2 + aimag(cspread(i))**2
-! write(14,3010) i,p,cspread(i)
-!3010 format(i8,3f12.6)
-! enddo
-
- return
-end subroutine dopspread
diff --git a/q65w/libm65/noisegen.f90 b/q65w/libm65/noisegen.f90
deleted file mode 100644
index 65d943161..000000000
--- a/q65w/libm65/noisegen.f90
+++ /dev/null
@@ -1,13 +0,0 @@
-subroutine noisegen(d4,nmax)
-
- real*4 d4(4,nmax)
-
- do i=1,nmax
- d4(1,i)=gran()
- d4(2,i)=gran()
- d4(3,i)=gran()
- d4(4,i)=gran()
- enddo
-
- return
-end subroutine noisegen
diff --git a/q65w/libm65/packjt.f90 b/q65w/libm65/packjt.f90
deleted file mode 100644
index c1fc0089d..000000000
--- a/q65w/libm65/packjt.f90
+++ /dev/null
@@ -1,996 +0,0 @@
-module packjt
-
- contains
-
-subroutine packbits(dbits,nsymd,m0,sym)
-
- ! Pack 0s and 1s from dbits() into sym() with m0 bits per word.
- ! NB: nsymd is the number of packed output words.
-
- integer sym(:)
- integer*1 dbits(:)
-
- k=0
- do i=1,nsymd
- n=0
- do j=1,m0
- k=k+1
- m=dbits(k)
- n=ior(ishft(n,1),m)
- enddo
- sym(i)=n
- enddo
-
- return
- end subroutine packbits
-
- subroutine unpackbits(sym,nsymd,m0,dbits)
-
- ! Unpack bits from sym() into dbits(), one bit per byte.
- ! NB: nsymd is the number of input words, and m0 their length.
- ! there will be m0*nsymd output bytes, each 0 or 1.
-
- integer sym(:)
- integer*1 dbits(:)
-
- k=0
- do i=1,nsymd
- mask=ishft(1,m0-1)
- do j=1,m0
- k=k+1
- dbits(k)=0
- if(iand(mask,sym(i)).ne.0) dbits(k)=1
- mask=ishft(mask,-1)
- enddo
- enddo
-
- return
- end subroutine unpackbits
-
- subroutine packcall(callsign,ncall,text)
-
- ! Pack a valid callsign into a 28-bit integer.
-
- parameter (NBASE=37*36*10*27*27*27)
- character callsign*6,c*1,tmp*6
- logical text
-
- text=.false.
-
- ! Work-around for Swaziland prefix:
- if(callsign(1:4).eq.'3DA0') callsign='3D0'//callsign(5:6)
-
- if(callsign(1:3).eq.'CQ ') then
- ncall=NBASE + 1
- if(callsign(4:4).ge.'0' .and. callsign(4:4).le.'9' .and. &
- callsign(5:5).ge.'0' .and. callsign(5:5).le.'9' .and. &
- callsign(6:6).ge.'0' .and. callsign(6:6).le.'9') then
- read(callsign(4:6),*) nfreq
- ncall=NBASE + 3 + nfreq
- endif
- return
- else if(callsign(1:4).eq.'QRZ ') then
- ncall=NBASE + 2
- return
- else if(callsign(1:3).eq.'DE ') then
- ncall=267796945
- return
- endif
-
- tmp=' '
- if(callsign(3:3).ge.'0' .and. callsign(3:3).le.'9') then
- tmp=callsign
- else if(callsign(2:2).ge.'0' .and. callsign(2:2).le.'9') then
- if(callsign(6:6).ne.' ') then
- text=.true.
- return
- endif
- tmp=' '//callsign(:5)
- else
- text=.true.
- return
- endif
-
- do i=1,6
- c=tmp(i:i)
- if(c.ge.'a' .and. c.le.'z') &
- tmp(i:i)=char(ichar(c)-ichar('a')+ichar('A'))
- enddo
-
- n1=0
- if((tmp(1:1).ge.'A'.and.tmp(1:1).le.'Z').or.tmp(1:1).eq.' ') n1=1
- if(tmp(1:1).ge.'0' .and. tmp(1:1).le.'9') n1=1
- n2=0
- if(tmp(2:2).ge.'A' .and. tmp(2:2).le.'Z') n2=1
- if(tmp(2:2).ge.'0' .and. tmp(2:2).le.'9') n2=1
- n3=0
- if(tmp(3:3).ge.'0' .and. tmp(3:3).le.'9') n3=1
- n4=0
- if((tmp(4:4).ge.'A'.and.tmp(4:4).le.'Z').or.tmp(4:4).eq.' ') n4=1
- n5=0
- if((tmp(5:5).ge.'A'.and.tmp(5:5).le.'Z').or.tmp(5:5).eq.' ') n5=1
- n6=0
- if((tmp(6:6).ge.'A'.and.tmp(6:6).le.'Z').or.tmp(6:6).eq.' ') n6=1
-
- if(n1+n2+n3+n4+n5+n6 .ne. 6) then
- text=.true.
- return
- endif
-
- ncall=nchar(tmp(1:1))
- ncall=36*ncall+nchar(tmp(2:2))
- ncall=10*ncall+nchar(tmp(3:3))
- ncall=27*ncall+nchar(tmp(4:4))-10
- ncall=27*ncall+nchar(tmp(5:5))-10
- ncall=27*ncall+nchar(tmp(6:6))-10
-
- return
- end subroutine packcall
-
- subroutine unpackcall(ncall,word,iv2,psfx)
-
- parameter (NBASE=37*36*10*27*27*27)
- character word*12,c*37,psfx*4
-
- data c/'0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ '/
-
- word='......'
- psfx=' '
- n=ncall
- iv2=0
- if(n.ge.262177560) go to 20
- word='......'
- ! if(n.ge.262177560) go to 999 !Plain text message ...
- i=mod(n,27)+11
- word(6:6)=c(i:i)
- n=n/27
- i=mod(n,27)+11
- word(5:5)=c(i:i)
- n=n/27
- i=mod(n,27)+11
- word(4:4)=c(i:i)
- n=n/27
- i=mod(n,10)+1
- word(3:3)=c(i:i)
- n=n/10
- i=mod(n,36)+1
- word(2:2)=c(i:i)
- n=n/36
- i=n+1
- word(1:1)=c(i:i)
- do i=1,4
- if(word(i:i).ne.' ') go to 10
- enddo
- go to 999
- 10 word=word(i:)
- go to 999
-
- 20 if(n.ge.267796946) go to 999
-
- ! We have a JT65v2 message
- if((n.ge.262178563) .and. (n.le.264002071)) then
- ! CQ with prefix
- iv2=1
- n=n-262178563
- i=mod(n,37)+1
- psfx(4:4)=c(i:i)
- n=n/37
- i=mod(n,37)+1
- psfx(3:3)=c(i:i)
- n=n/37
- i=mod(n,37)+1
- psfx(2:2)=c(i:i)
- n=n/37
- i=n+1
- psfx(1:1)=c(i:i)
-
- else if((n.ge.264002072) .and. (n.le.265825580)) then
- ! QRZ with prefix
- iv2=2
- n=n-264002072
- i=mod(n,37)+1
- psfx(4:4)=c(i:i)
- n=n/37
- i=mod(n,37)+1
- psfx(3:3)=c(i:i)
- n=n/37
- i=mod(n,37)+1
- psfx(2:2)=c(i:i)
- n=n/37
- i=n+1
- psfx(1:1)=c(i:i)
-
- else if((n.ge.265825581) .and. (n.le.267649089)) then
- ! DE with prefix
- iv2=3
- n=n-265825581
- i=mod(n,37)+1
- psfx(4:4)=c(i:i)
- n=n/37
- i=mod(n,37)+1
- psfx(3:3)=c(i:i)
- n=n/37
- i=mod(n,37)+1
- psfx(2:2)=c(i:i)
- n=n/37
- i=n+1
- psfx(1:1)=c(i:i)
-
- else if((n.ge.267649090) .and. (n.le.267698374)) then
- ! CQ with suffix
- iv2=4
- n=n-267649090
- i=mod(n,37)+1
- psfx(3:3)=c(i:i)
- n=n/37
- i=mod(n,37)+1
- psfx(2:2)=c(i:i)
- n=n/37
- i=n+1
- psfx(1:1)=c(i:i)
-
- else if((n.ge.267698375) .and. (n.le.267747659)) then
- ! QRZ with suffix
- iv2=5
- n=n-267698375
- i=mod(n,37)+1
- psfx(3:3)=c(i:i)
- n=n/37
- i=mod(n,37)+1
- psfx(2:2)=c(i:i)
- n=n/37
- i=n+1
- psfx(1:1)=c(i:i)
-
- else if((n.ge.267747660) .and. (n.le.267796944)) then
- ! DE with suffix
- iv2=6
- n=n-267747660
- i=mod(n,37)+1
- psfx(3:3)=c(i:i)
- n=n/37
- i=mod(n,37)+1
- psfx(2:2)=c(i:i)
- n=n/37
- i=n+1
- psfx(1:1)=c(i:i)
-
- else if(n.eq.267796945) then
- ! DE with no prefix or suffix
- iv2=7
- psfx = ' '
- endif
-
- 999 if(word(1:3).eq.'3D0') word='3DA0'//word(4:)
-
- return
- end subroutine unpackcall
-
- subroutine packgrid(grid,ng,text)
-
- parameter (NGBASE=180*180)
- character*4 grid
- character*1 c1
- logical text
-
- text=.false.
- if(grid.eq.' ') go to 90 !Blank grid is OK
-
- ! First, handle signal reports in the original range, -01 to -30 dB
- if(grid(1:1).eq.'-') then
- read(grid(2:3),*,err=800,end=800) n
- if(n.ge.1 .and. n.le.30) then
- ng=NGBASE+1+n
- go to 900
- endif
- go to 10
- else if(grid(1:2).eq.'R-') then
- read(grid(3:4),*,err=800,end=800) n
- if(n.ge.1 .and. n.le.30) then
- ng=NGBASE+31+n
- go to 900
- endif
- go to 10
- ! Now check for RO, RRR, or 73 in the message field normally used for grid
- else if(grid(1:4).eq.'RO ') then
- ng=NGBASE+62
- go to 900
- else if(grid(1:4).eq.'RRR ') then
- ng=NGBASE+63
- go to 900
- else if(grid(1:4).eq.'73 ') then
- ng=NGBASE+64
- go to 900
- endif
-
- ! Now check for extended-range signal reports: -50 to -31, and 0 to +49.
- 10 n=99
- c1=grid(1:1)
- read(grid,*,err=20,end=20) n
- go to 30
- 20 read(grid(2:4),*,err=30,end=30) n
- 30 if(n.ge.-50 .and. n.le.49) then
- if(c1.eq.'R') then
- write(grid,1002) n+50
- 1002 format('LA',i2.2)
- else
- write(grid,1003) n+50
- 1003 format('KA',i2.2)
- endif
- go to 40
- endif
-
- ! Maybe it's free text ?
- if(grid(1:1).lt.'A' .or. grid(1:1).gt.'R') text=.true.
- if(grid(2:2).lt.'A' .or. grid(2:2).gt.'R') text=.true.
- if(grid(3:3).lt.'0' .or. grid(3:3).gt.'9') text=.true.
- if(grid(4:4).lt.'0' .or. grid(4:4).gt.'9') text=.true.
- if(text) go to 900
-
- ! OK, we have a properly formatted grid locator
- 40 call grid2deg(grid//'mm',dlong,dlat)
- long=int(dlong)
- lat=int(dlat+ 90.0)
- ng=((long+180)/2)*180 + lat
- go to 900
-
- 90 ng=NGBASE + 1
- go to 900
-
- 800 text=.true.
- 900 continue
-
- return
- end subroutine packgrid
-
- subroutine unpackgrid(ng,grid)
-
- parameter (NGBASE=180*180)
- character grid*4,grid6*6
-
- grid=' '
- if(ng.ge.32400) go to 10
- dlat=mod(ng,180)-90
- dlong=(ng/180)*2 - 180 + 2
- call deg2grid(dlong,dlat,grid6)
- grid=grid6(:4)
- if(grid(1:2).eq.'KA') then
- read(grid(3:4),*) n
- n=n-50
- write(grid,1001) n
- 1001 format(i3.2)
- if(grid(1:1).eq.' ') grid(1:1)='+'
- else if(grid(1:2).eq.'LA') then
- read(grid(3:4),*) n
- n=n-50
- write(grid,1002) n
- 1002 format('R',i3.2)
- if(grid(2:2).eq.' ') grid(2:2)='+'
- endif
- go to 900
-
- 10 n=ng-NGBASE-1
- if(n.ge.1 .and.n.le.30) then
- write(grid,1012) -n
- 1012 format(i3.2)
- else if(n.ge.31 .and.n.le.60) then
- n=n-30
- write(grid,1022) -n
- 1022 format('R',i3.2)
- else if(n.eq.61) then
- grid='RO'
- else if(n.eq.62) then
- grid='RRR'
- else if(n.eq.63) then
- grid='73'
- endif
-
- 900 return
- end subroutine unpackgrid
-
- subroutine packmsg(msg0,dat,itype)
-
- ! Packs a JT4/JT9/JT65 message into twelve 6-bit symbols
-
- ! itype Message Type
- !--------------------
- ! 1 Standardd message
- ! 2 Type 1 prefix
- ! 3 Type 1 suffix
- ! 4 Type 2 prefix
- ! 5 Type 2 suffix
- ! 6 Free text
- ! -1 Does not decode correctly
-
- parameter (NBASE=37*36*10*27*27*27)
- parameter (NBASE2=262178562)
- character*22 msg0,msg
- integer dat(:)
- character*12 c1,c2
- character*4 c3
- character*6 grid6
- logical text1,text2,text3
-
- msg=msg0
- itype=1
- call fmtmsg(msg,iz)
-
- if(msg(1:6).eq.'CQ DX ') msg(3:3)='9'
- if(msg(1:3).eq."CQ " .and. &
- msg(4:4).ge.'A' .and. msg(4:4).le.'Z' .and. &
- msg(5:5).ge.'A' .and. msg(5:5).le.'Z' .and. &
- msg(6:6).eq.' ') msg='E9'//msg(4:)
-
- ! See if it's a CQ message
- if(msg(1:3).eq.'CQ ') then
- i=3
- ! ... and if so, does it have a reply frequency?
- if(msg(4:4).ge.'0' .and. msg(4:4).le.'9' .and. &
- msg(5:5).ge.'0' .and. msg(5:5).le.'9' .and. &
- msg(6:6).ge.'0' .and. msg(6:6).le.'9') i=7
- go to 1
- endif
-
- do i=1,22
- if(msg(i:i).eq.' ') go to 1 !Get 1st blank
- enddo
- go to 10 !Consider msg as plain text
-
- 1 ia=i
- c1=msg(1:ia-1)
- do i=ia+1,22
- if(msg(i:i).eq.' ') go to 2 !Get 2nd blank
- enddo
- go to 10 !Consider msg as plain text
-
- 2 ib=i
- c2=msg(ia+1:ib-1)
-
- do i=ib+1,22
- if(msg(i:i).eq.' ') go to 3 !Get 3rd blank
- enddo
- go to 10 !Consider msg as plain text
-
- 3 ic=i
- c3=' '
- if(ic.ge.ib+1) c3=msg(ib+1:ic)
- if(c3.eq.'OOO ') c3=' ' !Strip out the OOO flag
- call getpfx1(c1,k1,nv2a)
- if(nv2a.ge.4) go to 10
- call packcall(c1,nc1,text1)
- if(text1) go to 10
- call getpfx1(c2,k2,nv2b)
- call packcall(c2,nc2,text2)
- if(text2) go to 10
- if(nv2a.eq.2 .or. nv2a.eq.3 .or. nv2b.eq.2 .or. nv2b.eq.3) then
- if(k1.lt.0 .or. k2.lt.0 .or. k1*k2.ne.0) go to 10
- if(k2.gt.0) k2=k2+450
- k=max(k1,k2)
- if(k.gt.0) then
- call k2grid(k,grid6)
- c3=grid6(:4)
- endif
- endif
- call packgrid(c3,ng,text3)
-
- if(nv2a.lt.4 .and. nv2b.lt.4 .and. (.not.text1) .and. (.not.text2) .and. &
- (.not.text3)) go to 20
-
- nc1=0
- if(nv2b.eq.4) then
- if(c1(1:3).eq.'CQ ') nc1=262178563 + k2
- if(c1(1:4).eq.'QRZ ') nc1=264002072 + k2
- if(c1(1:3).eq.'DE ') nc1=265825581 + k2
- else if(nv2b.eq.5) then
- if(c1(1:3).eq.'CQ ') nc1=267649090 + k2
- if(c1(1:4).eq.'QRZ ') nc1=267698375 + k2
- if(c1(1:3).eq.'DE ') nc1=267747660 + k2
- endif
- if(nc1.ne.0) go to 20
-
- ! The message will be treated as plain text.
- 10 itype=6
- call packtext(msg,nc1,nc2,ng)
- ng=ng+32768
-
- ! Encode data into 6-bit words
- 20 continue
- if(itype.ne.6) itype=max(nv2a,nv2b)
- dat(1)=iand(ishft(nc1,-22),63) !6 bits
- dat(2)=iand(ishft(nc1,-16),63) !6 bits
- dat(3)=iand(ishft(nc1,-10),63) !6 bits
- dat(4)=iand(ishft(nc1, -4),63) !6 bits
- dat(5)=4*iand(nc1,15)+iand(ishft(nc2,-26),3) !4+2 bits
- dat(6)=iand(ishft(nc2,-20),63) !6 bits
- dat(7)=iand(ishft(nc2,-14),63) !6 bits
- dat(8)=iand(ishft(nc2, -8),63) !6 bits
- dat(9)=iand(ishft(nc2, -2),63) !6 bits
- dat(10)=16*iand(nc2,3)+iand(ishft(ng,-12),15) !2+4 bits
- dat(11)=iand(ishft(ng,-6),63)
- dat(12)=iand(ng,63)
-
- return
- end subroutine packmsg
-
- subroutine unpackmsg(dat,msg)
-
- parameter (NBASE=37*36*10*27*27*27)
- parameter (NGBASE=180*180)
- integer dat(:)
- character c1*12,c2*12,grid*4,msg*22,grid6*6,psfx*4,junk2*4
- logical cqnnn
-
- cqnnn=.false.
- nc1=ishft(dat(1),22) + ishft(dat(2),16) + ishft(dat(3),10)+ &
- ishft(dat(4),4) + iand(ishft(dat(5),-2),15)
-
- nc2=ishft(iand(dat(5),3),26) + ishft(dat(6),20) + &
- ishft(dat(7),14) + ishft(dat(8),8) + ishft(dat(9),2) + &
- iand(ishft(dat(10),-4),3)
-
- ng=ishft(iand(dat(10),15),12) + ishft(dat(11),6) + dat(12)
-
- if(ng.ge.32768) then
- call unpacktext(nc1,nc2,ng,msg)
- go to 100
- endif
-
- call unpackcall(nc1,c1,iv2,psfx)
- if(iv2.eq.0) then
- ! This is an "original JT65" message
- if(nc1.eq.NBASE+1) c1='CQ '
- if(nc1.eq.NBASE+2) c1='QRZ '
- nfreq=nc1-NBASE-3
- if(nfreq.ge.0 .and. nfreq.le.999) then
- write(c1,1002) nfreq
- 1002 format('CQ ',i3.3)
- cqnnn=.true.
- endif
- endif
-
- call unpackcall(nc2,c2,junk1,junk2)
- call unpackgrid(ng,grid)
-
- if(iv2.gt.0) then
- ! This is a JT65v2 message
- do i=1,4
- if(ichar(psfx(i:i)).eq.0) psfx(i:i)=' '
- enddo
-
- n1=len_trim(psfx)
- n2=len_trim(c2)
- if(iv2.eq.1) msg='CQ '//psfx(:n1)//'/'//c2(:n2)//' '//grid
- if(iv2.eq.2) msg='QRZ '//psfx(:n1)//'/'//c2(:n2)//' '//grid
- if(iv2.eq.3) msg='DE '//psfx(:n1)//'/'//c2(:n2)//' '//grid
- if(iv2.eq.4) msg='CQ '//c2(:n2)//'/'//psfx(:n1)//' '//grid
- if(iv2.eq.5) msg='QRZ '//c2(:n2)//'/'//psfx(:n1)//' '//grid
- if(iv2.eq.6) msg='DE '//c2(:n2)//'/'//psfx(:n1)//' '//grid
- if(iv2.eq.7) msg='DE '//c2(:n2)//' '//grid
- if(iv2.eq.8) msg=' '
- go to 100
- else
-
- endif
-
- grid6=grid//'ma'
- call grid2k(grid6,k)
- if(k.ge.1 .and. k.le.450) call getpfx2(k,c1)
- if(k.ge.451 .and. k.le.900) call getpfx2(k,c2)
-
- i=index(c1,char(0))
- if(i.ge.3) c1=c1(1:i-1)//' '
- i=index(c2,char(0))
- if(i.ge.3) c2=c2(1:i-1)//' '
-
- msg=' '
- j=0
- if(cqnnn) then
- msg=c1//' '
- j=7 !### ??? ###
- go to 10
- endif
-
- do i=1,12
- j=j+1
- msg(j:j)=c1(i:i)
- if(c1(i:i).eq.' ') go to 10
- enddo
- j=j+1
- msg(j:j)=' '
-
- 10 do i=1,12
- if(j.le.21) j=j+1
- msg(j:j)=c2(i:i)
- if(c2(i:i).eq.' ') go to 20
- enddo
- if(j.le.21) j=j+1
- msg(j:j)=' '
-
- 20 if(k.eq.0) then
- do i=1,4
- if(j.le.21) j=j+1
- msg(j:j)=grid(i:i)
- enddo
- if(j.le.21) j=j+1
- msg(j:j)=' '
- endif
-
- 100 continue
- if(msg(1:6).eq.'CQ9DX ') msg(3:3)=' '
- if(msg(1:2).eq.'E9' .and. &
- msg(3:3).ge.'A' .and. msg(3:3).le.'Z' .and. &
- msg(4:4).ge.'A' .and. msg(4:4).le.'Z' .and. &
- msg(5:5).eq.' ') msg='CQ '//msg(3:)
-
- return
- end subroutine unpackmsg
-
- subroutine packtext(msg,nc1,nc2,nc3)
-
- parameter (MASK28=2**28 - 1)
- character*13 msg
- character*42 c
- data c/'0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ +-./?'/
-
- nc1=0
- nc2=0
- nc3=0
-
- do i=1,5 !First 5 characters in nc1
- do j=1,42 !Get character code
- if(msg(i:i).eq.c(j:j)) go to 10
- enddo
- j=37
- 10 j=j-1 !Codes should start at zero
- nc1=42*nc1 + j
- enddo
-
- do i=6,10 !Characters 6-10 in nc2
- do j=1,42 !Get character code
- if(msg(i:i).eq.c(j:j)) go to 20
- enddo
- j=37
- 20 j=j-1 !Codes should start at zero
- nc2=42*nc2 + j
- enddo
-
- do i=11,13 !Characters 11-13 in nc3
- do j=1,42 !Get character code
- if(msg(i:i).eq.c(j:j)) go to 30
- enddo
- j=37
- 30 j=j-1 !Codes should start at zero
- nc3=42*nc3 + j
- enddo
-
- ! We now have used 17 bits in nc3. Must move one each to nc1 and nc2.
- nc1=nc1+nc1
- if(iand(nc3,32768).ne.0) nc1=nc1+1
- nc2=nc2+nc2
- if(iand(nc3,65536).ne.0) nc2=nc2+1
- nc3=iand(nc3,32767)
-
- return
- end subroutine packtext
-
- subroutine unpacktext(nc1,nc2,nc3,msg)
-
- character*22 msg
- character*44 c
- data c/'0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ +-./?'/
-
- nc3=iand(nc3,32767) !Remove the "plain text" bit
- if(iand(nc1,1).ne.0) nc3=nc3+32768
- nc1=nc1/2
- if(iand(nc2,1).ne.0) nc3=nc3+65536
- nc2=nc2/2
-
- do i=5,1,-1
- j=mod(nc1,42)+1
- msg(i:i)=c(j:j)
- nc1=nc1/42
- enddo
-
- do i=10,6,-1
- j=mod(nc2,42)+1
- msg(i:i)=c(j:j)
- nc2=nc2/42
- enddo
-
- do i=13,11,-1
- j=mod(nc3,42)+1
- msg(i:i)=c(j:j)
- nc3=nc3/42
- enddo
- msg(14:22) = ' '
-
- return
- end subroutine unpacktext
-
- 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=1
- iz=index(callsign,' ') - 1
- if(iz.lt.0) iz=12
- islash=index(callsign(1:iz),'/')
- k=0
- ! if(k.eq.0) go to 10 !Tnx to DL9RDZ for reminder:this was for tests only!
- 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
- nv2=2
- go to 10
- endif
- enddo
- if(addpfx.eq.c) then
- k=449
- nv2=2
- 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
- nv2=3
- 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(1:4)
- 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=4
- i=index(callsign0,'/')
- callsign=callsign0(:i-1)
- callsign=callsign0(i+1:)
- endif
- if(issfx) then
- tsfx=rof(1:3)
- k=nchar(tsfx(1:1))
- k=37*k + nchar(tsfx(2:2))
- k=37*k + nchar(tsfx(3:3))
- nv2=5
- i=index(callsign0,'/')
- callsign=callsign0(:i-1)
- endif
- endif
- endif
-
- return
- end subroutine getpfx1
-
- 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
-
- 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
-
- 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
-
- subroutine grid2n(grid,n)
- character*4 grid
-
- i1=ichar(grid(1:1))-ichar('A')
- i2=ichar(grid(3:3))-ichar('0')
- i=10*i1 + i2
- n=-i - 31
-
- return
- end subroutine grid2n
-
- subroutine n2grid(n,grid)
- character*4 grid
-
- if(n.gt.-31 .or. n.lt.-70) stop 'Error in n2grid'
- i=-(n+31) !NB: 0 <= i <= 39
- i1=i/10
- i2=mod(i,10)
- grid(1:1)=char(ichar('A')+i1)
- grid(2:2)='A'
- grid(3:3)=char(ichar('0')+i2)
- grid(4:4)='0'
-
- return
- end subroutine n2grid
-
- function nchar(c)
-
- ! Convert ascii number, letter, or space to 0-36 for callsign packing.
-
- character c*1
-
- n=0 !Silence compiler warning
- if(c.ge.'0' .and. c.le.'9') then
- n=ichar(c)-ichar('0')
- else if(c.ge.'A' .and. c.le.'Z') then
- n=ichar(c)-ichar('A') + 10
- else if(c.ge.'a' .and. c.le.'z') then
- n=ichar(c)-ichar('a') + 10
- else if(c.ge.' ') then
- n=36
- else
- Print*,'Invalid character in callsign ',c,' ',ichar(c)
- stop
- endif
- nchar=n
-
- return
- end function nchar
-
- subroutine pack50(n1,n2,dat)
-
- integer*1 dat(:),i1
-
- i1=iand(ishft(n1,-20),255) !8 bits
- dat(1)=i1
- i1=iand(ishft(n1,-12),255) !8 bits
- dat(2)=i1
- i1=iand(ishft(n1, -4),255) !8 bits
- dat(3)=i1
- i1=16*iand(n1,15)+iand(ishft(n2,-18),15) !4+4 bits
- dat(4)=i1
- i1=iand(ishft(n2,-10),255) !8 bits
- dat(5)=i1
- i1=iand(ishft(n2, -2),255) !8 bits
- dat(6)=i1
- i1=64*iand(n2,3) !2 bits
- dat(7)=i1
- dat(8)=0
- dat(9)=0
- dat(10)=0
- dat(11)=0
-
- return
- end subroutine pack50
-
-subroutine packpfx(call1,n1,ng,nadd)
-
- character*12 call1,call0
- character*3 pfx
- logical text
-
- i1=index(call1,'/')
- if(call1(i1+2:i1+2).eq.' ') then
-! Single-character add-on suffix (maybe also fourth suffix letter?)
- call0=call1(:i1-1)
- call packcall(call0,n1,text)
- nadd=1
- nc=ichar(call1(i1+1:i1+1))
- if(nc.ge.48 .and. nc.le.57) then
- n=nc-48
- else if(nc.ge.65 .and. nc.le.90) then
- n=nc-65+10
- else
- n=38
- endif
- nadd=1
- ng=60000-32768+n
- else if(call1(i1+3:i1+3).eq.' ') then
-! Two-character numerical suffix, /10 to /99
- call0=call1(:i1-1)
- call packcall(call0,n1,text)
- nadd=1
- n=10*(ichar(call1(i1+1:i1+1))-48) + ichar(call1(i1+2:i1+2)) - 48
- nadd=1
- ng=60000 + 26 + n
- else
-! Prefix of 1 to 3 characters
- pfx=call1(:i1-1)
- if(pfx(3:3).eq.' ') pfx=' '//pfx(1:2)
- if(pfx(3:3).eq.' ') pfx=' '//pfx(1:2)
- call0=call1(i1+1:)
- call packcall(call0,n1,text)
-
- ng=0
- do i=1,3
- nc=ichar(pfx(i:i))
- if(nc.ge.48 .and. nc.le.57) then
- n=nc-48
- else if(nc.ge.65 .and. nc.le.90) then
- n=nc-65+10
- else
- n=36
- endif
- ng=37*ng + n
- enddo
- nadd=0
- if(ng.ge.32768) then
- ng=ng-32768
- nadd=1
- endif
- endif
-
- return
-end subroutine packpfx
-
-end module packjt
diff --git a/q65w/libm65/setup65.f90 b/q65w/libm65/setup65.f90
deleted file mode 100644
index b1a867d18..000000000
--- a/q65w/libm65/setup65.f90
+++ /dev/null
@@ -1,96 +0,0 @@
-subroutine setup65
-
-! Defines arrays related to the JT65 pseudo-random synchronizing pattern.
-! Executed at program start.
-
- integer nprc(126)
- common/prcom/pr(126),mdat(126),mref(126,2),mdat2(126),mref2(126,2)
-
-! JT65
- data nprc/ &
- 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/
- data mr2/0/ !Silence compiler warning
-
-! Put the appropriate pseudo-random sequence into pr
- nsym=126
- do i=1,nsym
- pr(i)=2*nprc(i)-1
- enddo
-
-! Determine locations of data and reference symbols
- k=0
- mr1=0
- do i=1,nsym
- if(pr(i).lt.0.0) then
- k=k+1
- mdat(k)=i
- else
- mr2=i
- if(mr1.eq.0) mr1=i
- endif
- enddo
- nsig=k
-
-! Determine the reference symbols for each data symbol.
- do k=1,nsig
- m=mdat(k)
- mref(k,1)=mr1
- do n=1,10 !Get ref symbol before data
- if((m-n).gt.0) then
- if (pr(m-n).gt.0.0) go to 10
- endif
- enddo
- go to 12
-10 mref(k,1)=m-n
-12 mref(k,2)=mr2
- do n=1,10 !Get ref symbol after data
- if((m+n).le.nsym) then
- if (pr(m+n).gt.0.0) go to 20
- endif
- enddo
- go to 22
-20 mref(k,2)=m+n
-22 enddo
-
-! Now do it all again, using opposite logic on pr(i)
- k=0
- mr1=0
- do i=1,nsym
- if(pr(i).gt.0.0) then
- k=k+1
- mdat2(k)=i
- else
- mr2=i
- if(mr1.eq.0) mr1=i
- endif
- enddo
- nsig=k
-
- do k=1,nsig
- m=mdat2(k)
- mref2(k,1)=mr1
- do n=1,10
- if((m-n).gt.0) then
- if (pr(m-n).lt.0.0) go to 110
- endif
- enddo
- go to 112
-110 mref2(k,1)=m-n
-112 mref2(k,2)=mr2
- do n=1,10
- if((m+n).le.nsym) then
- if (pr(m+n).lt.0.0) go to 120
- endif
- enddo
- go to 122
-120 mref2(k,2)=m+n
-122 enddo
-
- return
-end subroutine setup65