For a more graphical approach, a group at the Norman Lockyer Observatory have set up a network across the UK with waterfall plots of the audio: http://www.merri

For a more graphical approach, a group at the Norman Lockyer Observatory have set up a network across the UK with waterfall plots of the audio: http://www.merriott-astro.co.uk/spam3D.htm http://www.merriott-astro.co.uk/spam3D.htm