`/home/GMT4/bin/gmtset PLOT_DEGREE_FORMAT ddd:mm`;
`/home/GMT4/bin/gmtset PAGE_ORIENTATION  portrait`;
`/home/GMT4/bin/gmtset PAPER_MEDIA a4+`;
`/home/GMT4/bin/gmtset HEADER_FONT_SIZE    = 18p`;
`/home/GMT4/bin/gmtset HEADER_FONT = 0`;
`/home/GMT4/bin/gmtset ANNOT_FONT_SIZE_PRIMARY 10`;
`/home/GMT4/bin/gmtset ANNOT_OFFSET_PRIMARY 0.05c`;
`/home/GMT4/bin/gmtset ANNOT_OFFSET_SECONDARY 0.05c`;
`/home/GMT4/bin/gmtset LABEL_FONT_SIZE 8`;
`/home/GMT4/bin/gmtset CHAR_ENCODING  Standard+`;
`/home/GMT4/bin/gmtset FRAME_WIDTH 0.1c`;
$GMT_working_dir = '/home/GPSDATA/DCAL/ATM/';
`/home/GMT4/bin/xyz2grd /home/GPSDATA/DCAL/ATM/ION.ASC -G/home/GPSDATA/DCAL/ATM/IONO.GRD -D/degree/degree/m -I1 -R-30/30/25/65`;
`/home/GMT4/bin/pscoast -R-30/30/25/65 -JM19c -B15.0g15.0f5.0 -Df -K -A50/1 -N1 -S220/250/255 -G255/255/255 -W2/0/0/120 -N1/1/255/0/255 -Y4.6c -X1.4c > /home/GPSDATA/DCAL/ATM/ION_2008_062_0.ps`;
`/home/GMT4/bin/grdcontour /home/GPSDATA/DCAL/ATM/IONO.GRD -R -JM -C1 -A1 -Wa5 -O -K  >> /home/GPSDATA/DCAL/ATM/ION_2008_062_0.ps`;
`/home/GMT4/bin/pstext /home/GPSDATA/DCAL/ATM/tmp_ion2.txt -R -JM -Y0 -N -S6/255/255/255 -G0/0/0 -O -K  >> /home/GPSDATA/DCAL/ATM/ION_2008_062_0.ps`;
`/home/GMT4/bin/pstext /home/GPSDATA/DCAL/ATM/tmp_ion3.txt -R -JM -U/0/0/ -O >> /home/GPSDATA/DCAL/ATM/ION_2008_062_0.ps`;
