24 Hour radio recordings of the Leonids on 17 November 2000
Each panel represents 2 hours and covers 25 Hz in frequency. High frequencies are at the bottom and lower frequencies at the top of each panel.
For reference: a 1Hz Doppler shift at 17640 kHz (carrier frequency for the BBC transmission) is caused by a Doppler velocity of ~ 17 ms-1.
Last Update: 1 September 2019