Comment Difference between passive and active. (Score 1) 139
The problem is that the wind farms act as passive counter for radar, leaving blind spots that you have to constantly be watching out for.
Drone deployed screens would be an active counter - while it can interfere with getting a good signal, you can tell that something is happening outside of normal operations. And honestly we already have anti-radar deployed material - it is commonly referred to as chaff (and for larger target you are generally better off using jamming methods for active countermeasures)