Halley: 29 June 2001; 0235:16-:26 UT
Halley: 29 June 2001; 0235:16-:26 UT
Spectrogram (10s / 5 kHz / 50 dB):
Sound:
(450kB .wav file)
Description:
A whistler triggers risers terminating in inverted hooks. A second, similar, whistler follows 7 seconds later.
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