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HF radio static, and distorted Morse code transmission from beacon station CS3B on Madeira. You can hear all stages of the transmission, right down to the last part which was transmitted with only 0.1 Watts. See http://freesound.iua.upf.edu/samplesViewSingle.php?id=13734
Type
Wave (.wav)
Duration
0:11.852
File size
1021.0 KB
Sample rate
44100.0 Hz
Bit depth
16 bit
Channels
Mono