diff --git a/map65/libm65/map65a.f90 b/map65/libm65/map65a.f90
index efa1da34b..c59d4daa7 100644
--- a/map65/libm65/map65a.f90
+++ b/map65/libm65/map65a.f90
@@ -47,7 +47,7 @@ subroutine map65a(dd,ss,savg,newdat,nutc,fcenter,ntol,idphi,nfa,nfb,        &
   xpol=(nxpol.ne.0)
 
   nts_jt65=2**(mode65-1)              !JT65 tone separation factor
-  nts_q65=2**(mode_q65)               !Q65 tone separation factor
+  nts_q65=2**(mode_q65-1)             !Q65 tone separation factor
   if(nagain.eq.0) then
      call timer('get_cand',0)
      call get_candidates(ss,savg,xpol,mfa,mfb,nts_jt65,nts_q65,cand,ncand)
@@ -57,9 +57,9 @@ subroutine map65a(dd,ss,savg,newdat,nutc,fcenter,ntol,idphi,nfa,nfb,        &
 !###
 !  do k=1,ncand
 !     freq=cand(k)%f+nkhz_center-48.0-1.27046
-!     write(70,3010) nutc,k,cand(k)%snr,cand(k)%f,freq,cand(k)%xdt,    &
+!     write(*,3010) nutc,k,db(cand(k)%snr),cand(k)%f,freq,cand(k)%xdt,    &
 !          cand(k)%ipol,cand(k)%iflip
-!3010 format(i4.4,i5,f10.1,3f10.3,2i3)
+!3010 format('=a',i5.4,i5,f8.2,3f10.3,2i3)
 !  enddo
 !###
 
diff --git a/map65/libm65/wideband_sync.f90 b/map65/libm65/wideband_sync.f90
index ee582549d..d60444bbe 100644
--- a/map65/libm65/wideband_sync.f90
+++ b/map65/libm65/wideband_sync.f90
@@ -32,7 +32,7 @@ subroutine get_candidates(ss,savg,xpol,nfa,nfb,nts_jt65,nts_q65,cand,ncand)
 ! spacings: 1 2 4 8 16 for A B C D E.  Birdies are detected and
 ! excised.  Candidates are returned in the structure array cand().
 
-  parameter (MAX_PEAKS=300)
+  parameter (MAX_PEAKS=100)
   real ss(4,322,NFFT),savg(4,NFFT)
   real pavg(-20:20)
   integer indx(NFFT)
@@ -87,11 +87,11 @@ subroutine get_candidates(ss,savg,xpol,nfa,nfb,nts_jt65,nts_q65,cand,ncand)
         diffhz=1000.0*(f0-cand(m)%f)
         bw=nts_q65*110.0
         if(cand(m)%iflip.ne.0) bw=nts_jt65*178.0
-        if(diffhz.gt.-20.0 .and. diffhz.lt.bw+20.0) skip=.true.
-!        write(*,3301) i,k,m,f0,cand(m)%f,diffhz,snr1,skip
-!3301    format('=',3i5,f10.1,3f10.3,L3)
+        if(diffhz.gt.-0.03*bw .and. diffhz.lt.1.03*bw) skip=.true.
      enddo
      if(skip) cycle
+!     write(*,3301) i,k,m,f0,diffhz,bw,db(snr1)
+!3301 format('=A',3i5,f8.3,2f8.0,f8.2)
      k=k+1
      cand(k)%snr=snr1
      cand(k)%f=f0