Mar 14,  · The stereo recordings are especially interesting, though this is not meant to mean that Auroral Chorus II is better than Electric Enigma. We are thankful for these beautiful recordings Mr. McGreevy! Also, that you share them with us for free. You have introduced VLF phenomena for the generations in the 21st Century. Wishing you the best from.

The Radio Astronomy Web contains an interesting article on The Brief History Of The Indian River Observatory Radio Interferometer. Russell Schwager has a page with an excellent source of info on the Nazi's cryptographic system named the Enigma Machine c/w a Java demo of how it worked.

Dec 26,  · Electric Enigma is a double album on which California-based artist Stephen P. McGreevy has documented recordings he made of Natural Radio - electromagnetic emissions in the very-low-frequency band caused by massive discharges and their after-effects in lightning storms and by the solar wind buffeting the earth's magnetic field, visible as Aurora Borealis and Australis.