[AMSAT-BB] Grid Square Computer Map

Dear Folks:

I see some people have grid square maps on their QRZ pages, with their grids that they have worked filled in. I'm not so interested in getting such a map for my page, but would like one to help keep track of the grids I have worked. Can anyone tell me how to get one of those maps?

Thanks and 73 de Bernie, KF0QS