Lametta 
A German unconventional and non-commercial radio show which is broadcast on Radio Antenne Muenster/Buergerfunk. The show is produced and presented by Jutta Hebbeler and Sergi Gvarjaladze.
http://www.muenster.org/lametta/Star's End Ambient Radio
One of the longest running ambient/space music radio shows, started in 1976. Hosted by Chuck van Zyl and broadcast live weekly beginning at 1:00am on Saturday night until 6:00am Sunday morning (USA Eastern Time Zone) from WXPN, at the University of Pennsylvania,
http://www.starsend.org/
Visionary Sound Arts Interface
Darv's linkfest to the major synthesists creating sounds that induce alternate states of awareness. Including annotated playlists for the radio show "Adventures in Consciousness."
http://www.geocities.com/darvkrizton/
Natural VLF Radio
Recordings of the "music of the magnetosphere and space weather".
http://www.auroralchorus.com/
Ultima Thule
A broadcast playing ambient and atmospheric music each Sunday from 10.30pm on 2MBS-FM 102.5 in Sydney, Australia.
http://www.ultimathule.info
