 Radio DOM was an automatic radio-station located on the Dom tower in Utrecht, which from 3 June 1999 until 3 October 1999 broadcast an audio 'soundscape' based on the sounds of the city of Utrecht.Radio DOM got its inputs from six computer-controlled surveillance microphones installed at a height of 80 metres on the Dom tower, which constantly scanned the central area of the city.The sound signals picked up by these microphones were algorithmically combined into a continuously varying soundscape which was broadcast 24 hours a day by an FM radio transmitter installed on the Dom tower.