show style data
set style data lines
set ytics 5
#set xlabel "Distance(feet)"
set ylabel "dB"
set grid
#set logscale x
set xtics 200
#set term png
set title "SNR"
#set output "snr.png"
plot 'snrs_showtime.txt' using ($1*0.0029/64) with lines lt 2 title "Green:showtime",\
     'snrs_train.txt' using ($1*0.0029/64) with lines lt 3 title    "Blue :train   "

