diff --git a/scripts/beta-alpha_beam.sh b/scripts/beta-alpha_beam.sh
index 3ccd8c7..cf32f71 100755
--- a/scripts/beta-alpha_beam.sh
+++ b/scripts/beta-alpha_beam.sh
@@ -60,6 +60,7 @@ for i in 0 1; do
   # set output file names
   id="${mirror[i]}_t$t"
   f7file=$out/f7_${id}.txt
+  f48file=$out/f48_${id}.txt
   rm -f $out/log_${id}.txt
   # add header in output file
   echo "# =============================" > $f7file
@@ -67,6 +68,7 @@ for i in 0 1; do
   echo "# ${mirror[i]}: R0=${r0[i]} z0=${z0[i]}" >> $f7file
   echo "# time=$t" >> $f7file
   echo "# =============================" >> $f7file
+  cp $f7file $f48file
   appendheader=0
   #loop on beta
   for (( beta=$bmin; beta<=$bmax ; beta=beta+db )); do
@@ -86,14 +88,19 @@ for i in 0 1; do
       if (( $appendheader==0 )); then
         # append parameters to header if first run of the loop
         cat headers.txt >> $f7file
+        cat headers.txt >> $f48file
         echo "#beta alpha`head -n 1 fort.7 | sed 's/#//'`" >> $f7file
+        echo "#beta alpha`head -n 1 fort.48 | sed 's/#//'`" >> $f48file
         appendheader=1
       fi
       # add time and alpha values in first two columns
       awk 'NR>1 {print '$beta','$alpha',$0}' fort.7 >> $f7file
+      awk 'NR>1 {print '$beta','$alpha',$0}' fort.48 >> $f48file
+      echo "" >> $f48file
     done
     #end of alpha loop
     echo " " >> $f7file
+    echo "" >> $f48file
   done
   #end of beta loop
 done