diff --git a/lib/msk144d.f90 b/lib/msk144d.f90
new file mode 100644
index 000000000..60c8b0c1d
--- /dev/null
+++ b/lib/msk144d.f90
@@ -0,0 +1,136 @@
+program msk144d
+
+  ! Test the msk144 decoder for WSJT-X
+
+  use options
+  use timer_module, only: timer
+  use timer_impl, only: init_timer
+  use readwav
+
+  character c
+  character*80 line
+  character*512 datadir
+  character*500 infile
+  character*12 mycall,hiscall
+  character*6 mygrid
+  character(len=500) optarg
+
+  logical :: display_help=.false.
+  logical*1 bShMsgs
+  logical*1 btrain
+  logical*1 bswl
+
+  type(wav_header) :: wav
+
+  integer*2 id2(30*12000)
+  integer*2 ichunk(7*1024)
+
+  real*8 pcoeffs(5)
+
+  type (option) :: long_options(9) = [ &
+       option ('ndepth',.true.,'c','ndepth',''), &  
+       option ('dxcall',.true.,'d','hiscall',''), &  
+       option ('evemode',.true.,'e','Must be used with -s.',''), &
+       option ('frequency',.true.,'f','rxfreq',''), &
+       option ('help',.false.,'h','Display this help message',''), &
+       option ('mycall',.true.,'m','mycall',''), &
+       option ('nftol',.true.,'n','nftol',''), &
+       option ('rxequalize',.false.,'r','Rx Equalize',''), &
+       option ('short',.false.,'s','enable Sh','') &
+       ]
+  t0=0.0
+  ndepth=3
+  ntol=100
+  nrxfreq=1500
+  mycall=''
+  mygrid='EN50WC'
+  hiscall=''
+  bShMsgs=.false.
+  btrain=.false.
+  bswl=.false.
+  datadir='.'
+  pcoeffs=0.d0
+ 
+  do
+     call getopt('c:d:ef:hm:n:rs',long_options,c,optarg,narglen,nstat,noffset,nremain,.true.)
+     if( nstat .ne. 0 ) then
+        exit
+     end if
+     select case (c)
+     case ('c')
+        read (optarg(:narglen), *) ndepth 
+     case ('d')
+        read (optarg(:narglen), *) hiscall
+     case ('e')
+        bswl=.true. 
+     case ('f')
+        read (optarg(:narglen), *) nrxfreq
+     case ('h')
+        display_help = .true.
+     case ('m')
+        read (optarg(:narglen), *) mycall
+     case ('n')
+        read (optarg(:narglen), *) ntol
+     case ('r')
+        btrain=.true. 
+     case ('s')
+        bShMsgs=.true. 
+     end select
+  end do
+
+  if(display_help .or. nstat.lt.0 .or. nremain.lt.1) then
+     print *, ''
+     print *, 'Usage: msk144d [OPTIONS] file1 [file2 ...]'
+     print *, ''
+     print *, '       msk144 decode pre-recorded .WAV file(s)'
+     print *, ''
+     print *, 'OPTIONS:'
+     do i = 1, size (long_options)
+        call long_options(i) % print (6)
+     end do
+     go to 999
+  endif
+
+  call init_timer ('timer.out')
+  call timer('msk144  ',0)
+  ndecoded=0
+  do ifile=noffset+1,noffset+nremain
+     call get_command_argument(ifile,optarg,narglen)
+     infile=optarg(:narglen)
+     call timer('read    ',0)
+     call wav%read (infile)
+     i1=index(infile,'.wav')
+     if( i1 .eq. 0 ) i1=index(infile,'.WAV')
+     read(infile(i1-6:i1-1),*,err=998) nutc
+     inquire(FILE=infile,SIZE=isize)
+     npts=min((isize-216)/2,360000)
+     read(unit=wav%lun) id2(1:npts)
+     close(unit=wav%lun)
+     call timer('read    ',1)
+
+     do i=1,npts-7*1024+1,7*512
+       ichunk=id2(i:i+7*1024-1)
+       tsec=(i-1)/12000.0
+       tt=sum(float(abs(id2(i:i+7*512-1))))
+       if( tt .ne. 0.0 ) then
+         call mskrtd(ichunk,nutc,tsec,ntol,nrxfreq,ndepth,mycall,mygrid,hiscall,bShMsgs, &
+                     btrain,pcoeffs,bswl,datadir,line)
+         if( index(line,"&") .ne. 0 .or.   &
+              index(line,"^") .ne. 0 .or.   &
+              index(line,"!") .ne. 0 .or.   &
+              index(line,"@") .ne. 0 ) then 
+           write(*,*) line
+         endif
+       endif
+     enddo 
+  enddo
+
+  call timer('msk144  ',1)
+  call timer('msk144  ',101)
+  go to 999
+
+998 print*,'Cannot read from file:'
+  print*,infile
+
+999 continue
+end program msk144d