Sounds from spaceSound files and spectral or amplitude images of various satellite signals are provided here: Radio signals recorded by Sven Grahn Radios signals from other sources Tips on how to convert the file format Radio signals from various satellites recorded near Stockholm, Sweden: Soviet/Russian satellitesReconnaisance satellites Cosmos 114, FSK-PDM, 19.995 MHz, April 8, 1966 (53 kB, mp3) TK recovery beac
