You select Launch - Plot Far Field Pattern if you wish to graph your Far Field data. You may open a browse window to chose the project whose results you wish to plot or select a project from the recently used list.
Once you select a project, a Far Field Pattern Tab is opened with a new plot of the chosen project's response data. For more information on graphing your data, please see Far Field Pattern Tab.
You may also open a Far Field Viewer by clicking on the Plot Far Field button in the Sonnet task bar, then selecting "Browse for Project" or selecting a project from the recently used list in the pop-up menu which appears.