1) Go to the installed directory
2) Go to the "system" subdirectory
3) Edit the file "ut2003.ini"
4) Locate the section [WinDrv.WindowsClient]
5) Modify the "FullscreenViewportX=" line to read 2400
6) Modify the "FullscreenViewportY=" line to read 600
7) Add the line "ScaleHUDX=0.333333" to the end of this section
8) Save/exit the file
9) Run the game
10) Once in the game (actually playing) hit to bring up the command line 11) Type "FOV 138" and hit - this should adjust the world FOV to 138 degrees.
Note: At this time, Surround Gaming resolutions and HUD Scaling are not available through the configuration menu.