Hi Muyin, Try running the demo mp_demo.jnl. This shows putting labels on the plot, and you could use pplus symbols instead of text. Ansley Manke Muyin Wang wrote: > Hello, > I have polar projection map for NH. Now I would like to label a few stations > over the map. How can I do it? Say: plot a symbol * at 72N, 157W? > Thanks! > Muyin