Right now I have not yet toughed the minsurface or sensitivity. The latter is set to 0, which means it uses the value in the .cfg file instead.
Ducimus should reply at some point, he groks that better than I do. Crippling the range is not the way to go, it's probably easier to change the surface value from the 1.5m^2 it is set to now, to some larger area. Look at a sub from the front. What is the cross-sectional area? If you set it such that the front cross section is invisible to the radar—just—then from 90 degrees the sub might be detected. Then like fighting active sonar, your aspect starts to really matter.
You can also make the minheight set to a couple meters so that the radar ignores the bits below that. This makes the visible area to the sensor smaller.
The type 21 also rotates (least in RSRDC, since I made them rotate
) So if the radar node itself is a daughter (I need to check if I did this) of the radar, then the detection time will be very short as it rotates... Hmmm, need to mess with that—gives another variable to play with.
Heck, I could do this with the 22 as well, but it needs a test.
When duci gets here this conversation might get more interesting...