Before revision: AN/FLR-9 in Elmendorf, Alaska c. 1964 The AN/FLR-9 is a type of very large circularly disposed antenna array, built at eight locations during the cold war for HF/DF direction finding of high priority targets.
After revision: AN/FLR-9 in Elmendorf, Alaska c. 1964 The AN/FLR-9 is a type of very large circularly disposed antenna array, built at eight locations during the Cold War for HF/DF direction finding of high priority targets.