Abstract: The present disclosure relates to a controller (10) for a counter measure system against unmanned aerial vehicles (UAVs), the controller (10) comprising a display device (18) and a processor configured to: receive target position data indicative of a position of a target UAV; receive effector position data indicative of a position of at least one counter measure effectors (12, 14); receive effector orientation data indicative of an orientation of the at least one counter measure effector (12, 14) relative to geographic cardinal directions; determine a field of effect (30, 32) of the at least one counter measure effector on the basis of the effector position data and the effector orientation data, said field (30, 32) of effect being indicative of an area covered by electromagnetic radiation emitted, in use, by the at least one counter measure effector; and, generate a display signal for displaying, on the display device, the position of the target UAV with respect to the field of effect (30, 32) of the at leas

Abstract: The present disclosure relates to a counter measure effector (100) for targeting unmanned aerial vehicles (UAVs), said counter measure effector comprising: at least one antenna (108, 109) for selectively emitting electromagnetic radiation; a telescopic sight (126) comprising an optical system that is transferrable between a first state, in which the optical system has a first appearance, and a second state, in which the optical system has a second appearance that is different from the first appearance, wherein the counter measure effector (100) is configured to set the optical system in its first state, when the at least one antenna is activated, and in its second state, when the at least one antenna is de-activated.