air control and warning AC W radar used by the United States Air Force air control and warning AC W radar used by the United States Air Force This radar was deployed by the Argentine Air Force during the 1982 Falklands War to Stanley and survived two British attacks with AGM 45 Shrike anti radar missiles on May 31 and June 3 One of the radars was captured by British forces after the Argentine surrender and deployed at RAF Buchan 1 edit SpecificationsWeight including shelter 3400 kg Frequency range 2 9 to 3 1 GHz S Band Pulse repetition frequency Fixed 250 Hz Staggered Six PRF s around 250 Hz Pulse width 6 5 microseconds Peak power 4 0 MW Average power 6 7 KW Beam width horizontal 1 1 degrees Beam width vertical 1 5 to 8 1 degrees total 20 degree coverage six stacked beams Antenna rotation rate 6 rpm