WinPost

This program will provide the designer with the required pole embedment depth and stress information for his posts.

Great for design of signs or light poles.
WinPost has a friendly user-interface, where you can introduce several parameters, such as : wind velocity, number of evenly spaced poles, pole width, pole depth etc.

After you set these parameters, this application will provide you output results like required pole ground embedment, actual pole bending stress, total wind force on attachment etc.