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Authors: Govoni, A.* 
Margheriti, L.* 
Moretti, M.* 
Lauciani, V.* 
Sensale, G.* 
Bucci, A.* 
Criscuoli, F.* 
Title: UMTS rapid response real-time seismic networks: implementation and strategies at INGV
Issue Date: 12-Apr-2015
Keywords: Seismic networks
Rapid response real-time
Subject Classification04. Solid Earth::04.06. Seismology::04.06.10. Instruments and techniques 
Abstract: The benefits of portable real-time seismic networks are several and well known. During the management of a temporary experiment from the realtime data it is possible to detect and fix rapidly problems with power supply, time synchronization, disk failures and, most important, seismic signal quality degradation due to unexpected noise sources or sensor alignment/tampering. This usually minimizes field maintenance trips and maximizes both the quantity and the quality of the acquired data. When the area of the temporary experiment is not well monitored by the local permanent network, the real-time data from the temporary experiment can be fed to the permanent network monitoring system improving greatly both the real-time hypocentral locations and the final revised bulletin. All these benefits apply also in case of seismic crises when rapid deployment stations can significantly contribute to the aftershock analysis. Nowadays data transmission using meshed radio networks or satellite systems is not a big technological problem for a permanent seismic network where each site is optimized for the device power consumption and is usually installed by properly specialized technicians that can configure transmission devices and align antennas. This is not usually practical for temporary networks and especially for rapid response networks where the installation time is the main concern. These difficulties are substantially lowered using the now widespread UMTS technology for data transmission. A small (but sometimes power hungry) properly configured device with an omnidirectional antenna must be added to the station assembly. All setups are usually configured before deployment and this allows for an easy installation also by untrained personnel.
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