24Credits for the audio files belong to the following sources: r a d i o q u a l i a, New Zealand; Windward Community College Radio Observatory (WCCRO), Hawaii, USA; NASA’s Radio Jove network, USA; Ventspils International Radio Astronomy Centre (VIRAC), Latvia; RIXC, Latvia; University of Iowa’s Plasma Wave Group, USA; Jodrell Bank’s Pulsar Group, UK