Sensornet / Geluidsnet provides measurement services based on networks of noise measurement points. This continually measure the sound level at the measurement sites and send the results in real time via Internet to a central computer. By analyzing the sound patterns are afterwards to aircraft registered in the audio detected. If desired, the results are made public via the website Geluidsnet. It is also possible to make this information through other channels to display, including the site of the client.