set grid xtics ytics mytics lw 1, lw 0.5
set key left
set xlabel "Experiment time [s]"
-set ylabel "Latency [ms]"
+set ylabel "GW latency [ms]"
plot [:] [0.01:4] \\
"len2-msgs.txt" using (\$2-$min):(1000*\$14-0.001*\$16) with points title "2 byte messages", \\
"len4-msgs.txt" using (\$2-$min):(1000*\$14-0.001*\$16) with points title "4 byte messages", \\