AN/SPS-6 is a two-dimensional radar manufactured by Bendix and Westinghouse Electric. It was used by the US Navy as a first-generation air-search radar
AIMS IFF, and LFDM. AN/SPS-40C - SPS-40 upgraded to SPS-40B standard AN/SPS-40D - SPS-40A upgraded to SPS-40B standard AN/SPS-40E - SSTX upgrade, replaces