Crouse, D.F.D.F.CrouseNickel, U.U.NickelWillett, P.P.Willett2022-03-042022-03-042012https://publica.fraunhofer.de/handle/publica/22862310.1109/TAES.2012.61296782-s2.0-84856147838A 2003 paper by Zheng, Tseng, and Yu presented closed-form solutions for the angles of arrival of returns from two targets when using four-channel monopulse radar. In this comment, we present a mathematically equivalent algorithm developed by Karl Baur in the 1970s that has a marginally lower computational complexity. Baurs work has remained largely unknown, because it was published in German and never translated into English.en004629journal article