Radio: shifting down notes, obtained with manual changes of frequency widenessfrequency: 12892. 59 khzrecorded from twente university online radio tuner: http://websdr. Ewi. Utwente. Nl:8901/.
Radio noise: costant single note, then distorted by voice. Frequency: 21227. 50 khz. Recorded from twente university online radio tuner: http://websdr. Ewi. Utwente. Nl:8901/.