set terminal postscript portrait enhanced color solid
set output 

set xlabel "Frequency [MHz]"
set key top right
set ylabel "Impedance [Ohm]"
set title "BFR90, BFR91, and BFR91A Interstage Impedance"
set grid mxtics mytics xtics ytics
set logscale x
set mxtics 10

set multiplot
set size 1,0.5
set origin 0,0.5
set yrange [:8000]
set key top center
set mytics 2
plot "sim/stab90.data" using ($1/1e6):2 title "Real BFR90 worst" with lines, \
"sim/stab90.data" using ($1/1e6):3 title "Real BFR90 best" with lines, \
"sim/stab90.data" using ($1/1e6):4 title "Real BFR91 worst" with lines, \
"sim/stab90.data" using ($1/1e6):5 title "Real BFR91 best" with lines, \
"sim/stab90.data" using ($1/1e6):6 title "Real BFR91A worst" with lines, \
"sim/stab90.data" using ($1/1e6):7 title "Real BFR91A best" with lines, \
"sim/stab90.data" using ($1/1e6):8 title "Imaginary BFR90 worst" with lines lt 1 lw 3, \
"sim/stab90.data" using ($1/1e6):9 title "Imaginary BFR90 best" with lines lt 2 lw 3, \
"sim/stab90.data" using ($1/1e6):10 title "Imaginary BFR91 worst" with lines lt 3 lw 3, \
"sim/stab90.data" using ($1/1e6):11 title "Imaginary BFR91 best" with lines lt 4 lw 3, \
"sim/stab90.data" using ($1/1e6):12 title "Imaginary BFR91A worst" with lines lt 5 lw 3, \
"sim/stab90.data" using ($1/1e6):13 title "Imaginary BFR91A best" with lines lt 6 lw 3

set origin 0, 0
set yrange [-10:150]
set xrange [1:]
set key top left
set mytics 4
replot