Periscope Height Control
 

I'm playing as the American side, and I hate how the periscope height only has fully raised and fully down. Is there a mod that I can control its height like in SH3.

just press isn./del. and page up/page down to manually raise and lower observation and attack periscopes. also search for SH3 UI, but I'm not sure about the manual switch. hope it helps!

On SH4(1.5) with TMO and RSRDC, the keys PAGE UP and PAGE DOWN control the height of the main periscope. The keys INSERT and DELETE control the night periscope. You can position the scopes at any height.
When I'm waiting to launch my torps, I use those keys to peek above the waves before ducking back down.

Edit : Royale, ya beat me to it.