subroutine unpackmsg144(dat,msg,c1,c2)
! special unpackmsg for MSK144 - returns call1 and call2 to enable
! maintenance of a recent-calls-heard list

   use packjt
   parameter (NBASE=37*36*10*27*27*27)
   parameter (NGBASE=180*180)
   integer dat(12)
   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)
      c1(1:12)=' '
      c2(1:12)=' '
      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 unpackmsg144