1. Install kitty and gnuplot
2. Place the .gplot and .dat files in the same directory
3. $ gnuplot globekitty.gplot
4. Enjoy! (Optional)

Higer resolution map files like in the image here: https://gnuplotting.org/plotting-the-world-revisited/index.html

Kitty window split and resize commands:

Ctrl+Shift+Enter

Ctrl+Shift+l

Ctrl+Shift+r