Paging Oona Räisänen... It's been posted here before, but that helicopter signal decoding was quite a feat. [1] 1: http://www.windytan.com/2014/02/mystery-sig

Paging Oona Räisänen... It's been posted here before, but that helicopter signal decoding was quite a feat. [1] 1: http://www.windytan.com/2014/02/mystery-signal-from-helicopter.html http://www.windytan.com/2014/02/mystery-signal-from-helicopt...