diff --git a/CMakeLists.txt b/CMakeLists.txt
index 87b8509ff..99e160a4e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1371,6 +1371,9 @@ target_link_libraries (fst240sim wsjt_fort wsjt_cxx)
 add_executable (ldpcsim240_101 lib/fst240/ldpcsim240_101.f90 wsjtx.rc)
 target_link_libraries (ldpcsim240_101 wsjt_fort wsjt_cxx)
 
+add_executable (ldpcsim240_74 lib/fst240/ldpcsim240_74.f90 wsjtx.rc)
+target_link_libraries (ldpcsim240_74 wsjt_fort wsjt_cxx)
+
 endif(WSJT_BUILD_UTILS)
 
 # build the main application
diff --git a/lib/fst240/fst240sim.f90 b/lib/fst240/fst240sim.f90
index ceefa00e8..b0790a768 100644
--- a/lib/fst240/fst240sim.f90
+++ b/lib/fst240/fst240sim.f90
@@ -75,9 +75,8 @@ program fst240sim
    n3=-1
    call pack77(msg37,i3,n3,c77)
    call genfst240(msg37,0,msgsent37,msgbits,itone,iwspr)
-
    write(*,*)
-   write(*,'(a9,a37)') 'Message: ',msgsent37
+   write(*,'(a9,a37,a7,i2)') 'Message: ',msgsent37,' iwspr:',iwspr
    write(*,1000) f00,xdt,hmod,txt,snrdb
 1000 format('f0:',f9.3,'   DT:',f6.2,'   hmod:',i6,'   TxT:',f6.1,'   SNR:',f6.1)
    write(*,*)
@@ -86,7 +85,7 @@ program fst240sim
       write(*,'(28i1,1x,i1,1x,28i1,1x,i1,1x,i1,1x,15i1,1x,3i1)') msgbits(1:77)
    else
       write(*,'(a14)') 'Message bits: '
-      write(*,'(50i1,1x,24i1)') msgbits
+      write(*,'(77i1,1x,24i1)') msgbits
    endif
    write(*,*)
    write(*,'(a17)') 'Channel symbols: '
diff --git a/lib/fst240/ldpcsim240_74.f90 b/lib/fst240/ldpcsim240_74.f90
index 743dff34b..78e8e6b5f 100644
--- a/lib/fst240/ldpcsim240_74.f90
+++ b/lib/fst240/ldpcsim240_74.f90
@@ -52,9 +52,9 @@ program ldpcsim240_74
    write(*,*) "K        : ",Keff
 
    msgbits=0
-   read(c77,'(77i1)') msgbits(1:77)
+   read(c77,'(50i1)') msgbits(1:50)
    write(*,*) 'message'
-   write(*,'(77i1)') msgbits(1:77)
+   write(*,'(50i1)') msgbits(1:50)
 
    call get_crc24(msgbits,74,ncrc24)
    write(c24,'(b24.24)') ncrc24
@@ -118,7 +118,7 @@ write(*,'(24i1)') msgbits(51:74)
 !      snr2500=db+10*log10(200.0/116.0/2500.0)
       esn0=db+10*log10(rate)
       pberr=real(nberr)/(real(ntrials*N))
-      write(*,"(f4.1,4x,f5.1,1x,i8,1x,i8,8x,f5.2,8x,e10.3)") db,esn0,ngood,nue,ss,pberr
+      write(*,"(f4.1,4x,f5.1,1x,i8,1x,i8,8x,e10.3)") db,esn0,ngood,nue,pberr
 
    enddo
 
diff --git a/lib/fst240_decode.f90 b/lib/fst240_decode.f90
index 09b16c2ef..2cb182b38 100644
--- a/lib/fst240_decode.f90
+++ b/lib/fst240_decode.f90
@@ -553,7 +553,7 @@ contains
                      nsnr=nint(xsnr)
                      qual=0.
                      fsig=fc_synced - 1.5*hmod*baud
-!write(21,'(i6,7i6,f7.1,f9.2,3f7.1,1x,a37)') &
+!write(21,'(i6,7i6,f7.1,f9.2,f7.1,1x,f7.2,1x,f7.1,1x,a37)') &
 !  nutc,icand,itry,iaptype,ijitter,ntype,nsync_qual,nharderrors,dmin,sync,xsnr,xdt,fsig,msg
                      call this%callback(nutc,smax1,nsnr,xdt,fsig,msg,    &
                         iaptype,qual,ntrperiod,lwspr)