 The functions of the operators rotated every 30 minutes and covered the antenna rotation, Plan Position Indicator (PPI) tube, range/height tube and plotting table as well as an officer to keep a running order of all plots and heights taken.Meanwhile, the mechanic focussed on the transmitter and, along with the Commanding Officer, was responsible for supervising the maintenance and operation of the equipment.Although the staff at 131 Radar Station were trained and prepared for conflict, as the war progressed and the threat of enemy invasion lessened, the station assumed a secondary role as a training and demonstration centre for radar officers, controllers, recorders, operators and mechanics.