Two small contributions....both are v1.3 compatible.
a Cameras_dat.txt tweek to get a closer view of the radar screens....(call it: Closer Radar View)
and a Scene_dat.txt tweek for more realistic looking rain effects...(call it: RAIN MOD 1.0)
Links....
http://www.subsim.com/radioroom/showthread.php?t=115800
http://www.subsim.com/radioroom/showthread.php?t=115508&highlight=Rain
Thanks!