This article lists types of American military electronic instruments along with brief descriptions of them. Electronic items of this sort are assigned designations according to the Joint Electronics Type Designation System, beginning with the AN/ prefix. They are grouped below by the first designation letter following this prefix.
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Image shows " SC4400E AN/PRC-169(V)1 5820-01-691-2906 SC4200EP AN/PRC-169(V)2 5820-01-691-2880"
Look at placard in one of early photos showing AN/PSQ-39/40
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