IIRC we sold a bunch of 1666Bs to the US Navy in YUK/something nomenclature).1666s are known as AN/UYK-64.
Yes and the 1602 was the AN/UYK-19.
land and ship installations, thus the "U". If they were primarily for aircraft installations, they would have been "AN/A**" and not "AN/U**" (and also not so freaking heavy!).
Just out of curiosity: Is there an explanation, what the other
letters Y and K mean?
Erik.
