Last Friday I logged this strange transmission on 5640. To me it sounds like some type of Russian station but I don't know for sure. It was also transmitting in both sidebands. Could not find anything on the usual sites. Any ideas?
Audio: HDSDR_20110429_124038Z_5640kHz_AF.mp3
Audio: HDSDR_20110429_124038Z_5640kHz_AF.mp3