diff --git a/astro0.F90 b/astro0.F90
index fabafea4f..95be2b62e 100644
--- a/astro0.F90
+++ b/astro0.F90
@@ -96,7 +96,7 @@ subroutine astro0(nyear,month,nday,uth8,nfreq,grid,cauxra,cauxdec,       &
   isec=3600*uth8
 
 !#ifdef CVF
-  if(isec.ne.isec0) then
+  if(isec.ne.isec0 .and. ndecoding.eq.0) then
      ih=uth8
      im=mod(imin,60)
      is=mod(isec,60)
diff --git a/get_fname.F90 b/get_fname.F90
deleted file mode 100644
index 8b16044e9..000000000
--- a/get_fname.F90
+++ /dev/null
@@ -1,36 +0,0 @@
-
-subroutine get_fname(hiscall,ntime,trperiod,lauto,fname)
-
-#ifdef CVF
-  use dfport
-#else
-  external gmtime_r
-#endif
-
-  character hiscall*12,fname*24,tag*7
-  integer ntime
-  integer trperiod
-  integer it(9)
-
-  n1=ntime
-  n2=(n1+2)/trperiod
-  n3=n2*trperiod
-#ifdef CVF
-  call gmtime(n3,it)
-#else
-  call gmtime_r(n3,it)
-#endif
-  it(5)=it(5)+1
-  it(6)=mod(it(6),100)
-  write(fname,1000) (it(j),j=6,1,-1)
-1000 format('_',3i2.2,'_',3i2.2,'.WAV')
-  tag=hiscall
-  i=index(hiscall,'/')
-  if(i.ge.5) tag=hiscall(1:i-1)
-  if(i.ge.2.and.i.le.4) tag=hiscall(i+1:)
-  if(hiscall(1:1).eq.' ' .or. lauto.eq.0) tag='Mon'
-  i=index(tag,' ')
-  fname=tag(1:i-1)//fname
-  
-  return
-end subroutine get_fname