Message posted by Ed Winchester on October 11, 2019 at 18:01:16 PST:
Last night at 2225 ‘Bluebird’ checked in with one of the range frequencies (Blackjack 377.8? can’t be sure as channel hopped at the moment I looked). She said ‘Flight Level 500 block 530’ and that was it. The callsign rings a bell but I can’t find a reference to it, anyone have a clue what aircraft/UAV this may be?
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