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Good points, according to the Wiki page, KMS-4 was initially tumbling and then shown to have stabilized, which seems to indicate that communication was establis

• zamadatix 3y ago
  Not necessarily, at least in terms of communications back https://space.skyrocket.de/doc_sdat/kwangmyongsong-4.htm https://space.skyrocket.de/doc_sdat/kwangmyongsong-4.htm. Of course, it's also possible nobody has publicly tried looking at the right time. At the same time, it's also possible it wasn't really a functioning imaging satellite in the first place and was more just another test. Hard to tell when the official source just says whatever sounds most interesting that day.