Halley: 17 July 2001; 1905:37-:47 UT
Halley: 17 July 2001; 1905:37-:47 UT
Spectrogram (10s / 5 kHz / 50 dB):
Sound:
(435kB .wav file)
Description:
A knee whistler (followed by its echo) which triggers a band of chorus from its upper cut-off frequency.
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