set term png large size SIZE set title "Greg's 3G link stats, RANGE, UNsmoothed" set xlabel "Date" set ylabel "number of systems" set xdata time set timefmt "%s" set format x "%H:%M\n%d%h" set yrange [0:7] set y2range [0:7] set y2label "TCP speed" set y2tics axis set rmargin 10 plot "/var/tmp/3glinkstats" using ($1 + TZOFFSET):($2) \ title "link status" with linesSMOOTH, \ "/var/tmp/3glinkstats" using ($1 + TZOFFSET):($3) \ title "net connectivity (0 to 5)" with linesSMOOTH, \ "/var/tmp/3gtcpstats" using ($1 + TZOFFSET):(1 / $2) \ title "TCP speed" with linesSMOOTH