radar dozorowania

They've got a circle around it that looks like surveillance radar only.

Primary surveillance radar does not require any cooperation from the aircraft.

The surveillance radar of these systems was designated 30N6.

A new secondary surveillance radar was built between 1999 and 2001 at Sotra.

Secondary surveillance radar depends on active replies from the aircraft.

Target detection is carried out using the parent ship's surveillance radars.

Pulse-Doppler is also used for ground based surveillance radar required to defend personnel and vehicles.

E-2Cs with airborne surveillance radar down-linked their pictures to the command post.

Spoon Rest was a surveillance radar, and the most dangerous because it could pick up low-altitude targets.

The station was part of the Air Defense Command, and provided general surveillance radar.