We also heard it while tramping on the thousand acre plateau just north of Murchison. It was very quiet, so we were lucky to be where we were with no noise poll

We also heard it while tramping on the thousand acre plateau just north of Murchison. It was very quiet, so we were lucky to be where we were with no noise pollution to drown it out. Though at the time we had no clue what it was, we joked about being in the Tomorrow series timeline.