diff --git a/lib/decoder.f90 b/lib/decoder.f90
index 4129cd481..fb4e80c01 100644
--- a/lib/decoder.f90
+++ b/lib/decoder.f90
@@ -205,11 +205,11 @@ subroutine multimode_decoder(ss,id2,params,nfsample)
      open(17,file=trim(temp_dir)//'/red.dat',status='unknown')
      open(14,file=trim(temp_dir)//'/avemsg.txt',status='unknown')
      call timer('dec_q65 ',0)
-     call my_q65%decode(q65_decoded,id2,params%nutc,params%ntr,        &
-          params%nsubmode,params%nfqso,params%ntol,params%ndepth,      &
-          params%nfa,params%nfb,logical(params%nclearave),             &
-          params%emedelay,mycall,hiscall,hisgrid,params%nQSOProgress,  &
-          ncontest,logical(params%lapcqonly),navg0)
+     call my_q65%decode(q65_decoded,id2,params%nutc,params%ntr,          &
+          params%nsubmode,params%nfqso,params%ntol,params%ndepth,        &
+          params%nfa,params%nfb,logical(params%nclearave),               &
+          logical(params%newdat),params%emedelay,mycall,hiscall,hisgrid, &
+          params%nQSOProgress,ncontest,logical(params%lapcqonly),navg0)
      call timer('dec_q65 ',1)
      close(17)
      go to 800
diff --git a/lib/q65_decode.f90 b/lib/q65_decode.f90
index 86ecdb9d5..d1466f63e 100644
--- a/lib/q65_decode.f90
+++ b/lib/q65_decode.f90
@@ -26,9 +26,9 @@ module q65_decode
 
 contains
 
-  subroutine decode(this,callback,iwave,nutc,ntrperiod,nsubmode,nfqso,      &
-       ntol,ndepth,nfa0,nfb0,lclearave,emedelay,mycall,hiscall,hisgrid,       &
-       nQSOprogress,ncontest,lapcqonly,navg0)
+  subroutine decode(this,callback,iwave,nutc,ntrperiod,nsubmode,nfqso,   &
+       ntol,ndepth,nfa0,nfb0,lclearave,lnewdat0,emedelay,mycall,         &
+       hiscall,hisgrid,nQSOprogress,ncontest,lapcqonly,navg0)
 
 ! Top-level routine that organizes the decoding of Q65 signals
 ! Input:  iwave            Raw data, i*2
@@ -63,13 +63,14 @@ contains
     real, allocatable :: dd(:)            !Raw data
     integer dat4(13)                      !Decoded message as 12 6-bit integers
     integer dgen(13)
-    logical lclearave,lapcqonly,unpk77_success
+    logical lclearave,lnewdat0,lapcqonly,unpk77_success
     complex, allocatable :: c00(:)        !Analytic signal, 6000 Sa/s
     complex, allocatable :: c0(:)         !Analytic signal, 6000 Sa/s
 
 ! Start by setting some parameters and allocating storage for large arrays
     nfa=nfa0
     nfb=nfb0
+    lnewdat=lnewdat0
     idec=-1
     mode_q65=2**nsubmode
     npts=ntrperiod*12000
diff --git a/lib/qra/q65/q65.f90 b/lib/qra/q65/q65.f90
index bca660c43..9e5bf9415 100644
--- a/lib/qra/q65/q65.f90
+++ b/lib/qra/q65/q65.f90
@@ -14,6 +14,7 @@ module q65
   integer istep,nsmo,lag1,lag2,npasses,nused,iseq
   integer i0,j0
   integer navg(0:1)
+  logical lnewdat
   real,allocatable,save :: s1a(:,:,:)      !Cumulative symbol spectra
   real sync(85)                            !sync vector
   real df,dtstep,dtdec,f0dec
@@ -261,8 +262,10 @@ subroutine q65_symspec(iwave,nmax,iz,jz,s1)
         call smo121(s1(1:iz,j),iz)
      enddo
   enddo
-  s1a(:,:,iseq)=s1a(:,:,iseq) + s1
-  navg(iseq)=navg(iseq) + 1
+  if(lnewdat) then
+     s1a(:,:,iseq)=s1a(:,:,iseq) + s1
+     navg(iseq)=navg(iseq) + 1
+  endif
 
   return
 end subroutine q65_symspec