set terminal postscript portrait enhanced color solid
set output 

set xlabel "Frequency [Hz]"
set key left
set ylabel "Transmission [dB]"
set title "Transmission of RX base bus filters"
set logscale x 10
set grid mxtics mytics xtics ytics
set mytics 5

plot "sim/base_bus.data" using 1:2 title "Point 1" with linespoints, \
"sim/base_bus.data" using 1:3 title "Point 2" with lines, \
"sim/base_bus.data" using 1:4 title "Point 3" with lines