The Deelen infrasound array for recording sonic booms and events of CTBT interest

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Evers, L. and Bree de, H-E. and Haak, H.W. and Koers, A.A. (2000) The Deelen infrasound array for recording sonic booms and events of CTBT interest. In: 9th International Meeting on Low Frequency Noise and Vibration, May 17-19th 2000, Aalborg, Denmark.

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Abstract:The Seismology Division of the Royal Netherlands Meteorological Institute (KNMI) has build up expertise in infrasound measurements by investigating low frequency events in order to distinguish between seismic and sonic events. KNMI operates, amongst others, a sixteen element microbarometer array with an aperture of 1.5 km, the Deelen Infrasound Array (DIA). Sonic booms and events of Comprehensive Test Ban Treaty (CTBT) interest are recorded within the frequency range of 100 seconds and 40 Hertz. Recently, KNMI and Microflown Technologies B.V. started a collaboration concerning infrasound measurements. This paper reports the use of a novel sensor. The so-called Microflown [1] is an acoustic sensor, sensitive for frequencies from 0Hz up to 1kHz. The Microflown is developed at the University of Twente and commercialised by Microflown Technologies B.V [3].
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