I spent long sleepless nights listening to shortwave radio transmissions, recording them onto cassette tapes. I had a Cheetah MS-6 and a Mutable Instruments Shruthi which I used a lot. Both of those synths broke later.
Arcseconds
This album describes a number of electromagnetic signals that propagated via the Earth's ionosphere from late 2012 to early 2013.
1.
Go To Bed
2:22
6:51
3:36
5:37
4:35
6.
Sea Signal
3:19
4:31
8.
Life
3:28
9.
Heart Signal
3:31
10.
Life Sciences
3:00