set xdata time
set timefmt "%H:%M:%S"

set format x "%H:%M"

set term png
set output "ffmj1_clk11_glo.png"
set title "FFMJ1 (CLK11, GPS & Glonass)"
set ylabel "meters"
set xlabel "19-Dec-2009"
set yrange [-1.5:1.5]

plot "ppp" u 1:4 t "dH" w lp 3, \
     ""    u 1:2 t "dN" w lp 1, \
     ""    u 1:3 t "dE" w lp 2

###pause -1