multiiplot gnuplot

name=system("echo $estacion_now")
N=system("echo $N")

set terminal qt size 2000,1300

set multiplot layout 3,1 title "Estacion GPS: E-N-Up"

set xlabel 'Tiempo'
set timefmt "%s"
set xdata time
set format x "%H:%M:%S \n %m/%d/%Y"

set ylabel '[m]'

set grid ytics lt 0 lw 1 lc rgb "#bbbbbb"
set grid xtics lt 0 lw 1 lc rgb "#bbbbbb"

set rmargin 4

set title 'Este'
set key outside


plot '< tail -n '.N.' '.name u 1:2:3 title 'Este' w yerrorbars lt rgb "red"

set xlabel 'Tiempo'
set timefmt "%s"
set xdata time
set format x "%m/%d/%Y \n %H:%M:%S"

set ylabel '[m]'

set grid ytics lt 0 lw 1 lc rgb "#bbbbbb"
set grid xtics lt 0 lw 1 lc rgb "#bbbbbb"

set rmargin 4

set title 'Norte'
set key outside


plot '< tail -n '.N.' '.name u 1:4:5 title 'Norte' w yerrorbars lt rgb "#1A692C"  

set xlabel 'Tiempo'
set timefmt "%s"
set xdata time
set format x "%m/%d/%Y \n %H:%M:%S"

set ylabel '[m]'

set grid ytics lt 0 lw 1 lc rgb "#bbbbbb"
set grid xtics lt 0 lw 1 lc rgb "#bbbbbb"

set rmargin 4

set title 'Up'
set key outside


plot '< tail -n '.N.' '.name u 1:6:7 title 'Up' w yerrorbars lt rgb "blue"  

unset multiplot


pause 1
reread