diff --git a/lib/ft4/ft4_decode.f90 b/lib/ft4/ft4_decode.f90
index bd6d9a5d0..cfbfc6b39 100644
--- a/lib/ft4/ft4_decode.f90
+++ b/lib/ft4/ft4_decode.f90
@@ -184,7 +184,7 @@ subroutine ft4_decode(cdatetime0,tbuf,nfa,nfb,nQSOProgress,ncontest,nfqso, &
       f0=candidate(1,icand)
       if(f0.le.max(fa,10.0) .or. f0.ge.min(fb,4990.0)) cycle
       snr=candidate(3,icand)-1.0
-      if( f0.le.10.0 .or. f0.ge.4990.0 ) cycle
+
       call clockit('ft4_down',0)
       call ft4_downsample(iwave,f0,cd2)  !Downsample from 512 to 32 Sa/Symbol
       call clockit('ft4_down',1)
diff --git a/lib/ft4/getcandidates4.f90 b/lib/ft4/getcandidates4.f90
index 23da3d394..bf62abfa7 100644
--- a/lib/ft4/getcandidates4.f90
+++ b/lib/ft4/getcandidates4.f90
@@ -54,7 +54,7 @@ subroutine getcandidates4(id,fa,fb,syncmin,nfqso,maxcand,savg,candidate,   &
   np=n2500-n300+1
   indx=0
   call indexx(savsm(n300:n2500),np,indx)
-  xn=savsm(nfa+indx(nint(0.3*np)))
+  xn=savsm(n300+indx(nint(0.3*np)))
   ncand=0
   if(xn.le.1.e-8) return 
   savsm=savsm/xn