I've got the ActiveRadar script working, but its range is limited to 3k. Looking at the code I don't see it limited there, and I'm wondering if this is caused by some Eleon change? The code works by patern matching "Ast*", so maybe you don't get to see the entity name until you are 3000 away?
There is an attribute per detector/radar called DiscoveryFactor or something like that. It is % value and maybe this needs to be increased also.
