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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