mapproject ../IN_OUTPUT/TEMP/surface_xyz_45km.txt  -Js-39/90/71/1:50000000 -Fk -R/-150/50/50/85 -C -I  > interm
awk '{print $1, $2}' interm > ../IN_OUTPUT/TEMP/grid_45km_lonlat.txt

mapproject ../IN_OUTPUT/TEMP/surface_xyz_15km.txt  -Js-39/90/71/1:50000000 -Fk -R/-150/50/50/85 -C -I  > interm
awk '{print $1, $2}' interm > ../IN_OUTPUT/TEMP/grid_15km_lonlat.txt

mapproject ../IN_OUTPUT/TEMP/surface_xyz_5km.txt  -Js-39/90/71/1:50000000 -Fk -R/-150/50/50/85 -C -I  > interm
awk '{print $1, $2}' interm > ../IN_OUTPUT/TEMP/grid_5km_lonlat.txt

rm interm