#
#
# Power vs Pass for Optical Klystron
#
#

gain_vs_pass  $1 |\
awk '
BEGIN{rep=0;rep1=-1;rep2=-2;nl=0}
$1 ~ /^[A-Za-z#!"~]/  
$1 ~ /^[-0-9\.]/{
   nl = nl + 1 
   rep3 = $1
   gain3 = $2
   if( rep3 != rep2 && nl != 1 ){ print rep2, (1+gain1)*(1+gain2)-1 }
   rep1 = rep2
   gain1 = gain2 
   rep2 = rep3
   gain2 = gain3
}'