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 falklands war to stanley and survived two british attacks with agm shrike anti radar missiles on may and june one of the radars was captured by british forces after the argentine surrender and deployed at raf buchan edit specificationsweight including shelter kg frequency range to ghz s band pulse repetition frequency fixed hz staggered six prf's around hz pulse width microseconds peak power mw average power kw beam width horizontal degrees beam width vertical to degrees total degree coverage six stacked beams antenna rotation rate rpm