For you #music types especially those who create #experimentalmusic and #sample a lot, a collection of (mostly) numbers stations:
@sciss You may like these:
https://archive.org/details/ird059
https://archive.org/details/PS015_VariousArtists_NumberStations
https://archive.org/details/ShortwaveRadioBroadcasts
While this often cited as the definitive numbers collection:
https://archive.org/details/ird059/
This guy has the conet project buried on quality and volume:
https://archive.org/details/ShortwaveOddsSodsTransmissions
Shortwave Odds & Sods Transmissions : Unique & Unusual Shortwave Broadcasts : Free Download, Borrow, and Streaming : Internet Archive
Internet Archive
Shortwave Radio Broadcasts : International HF Stations : Free Download, Borrow, and Streaming : Internet Archive
Internet Archive
PS015_VariousArtists_NumberStations : PublicSpaces Lab : Free Download, Borrow, and Streaming : Internet Archive
Internet Archive
Auroral Chorus II: The Music of the Magnetosphere : Stephen P. McGreevy : Free Download, Borrow, and Streaming : Internet Archive
Internet Archive
![The Conet Project - Recordings of Shortwave Numbers Stations [ird059] : Free Download, Borrow, and Streaming : Internet Archive](https://archive.org/services/img/ird059/full/pct:500/0/default.jpg)
The Conet Project - Recordings of Shortwave Numbers Stations [ird059] : Free Download, Borrow, and Streaming : Internet Archive
Internet Archive
