GMS NetQuakes Recorder
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GMS NetQuakes Recorder - 1

GeoSIG Ltd Wiesenstrasse 39 8952 Schlieren Switzerland GMS-18 Measuring System, NetQuakes Recorder Features ! NetQuakes Recorder Internet Enabled, Optionally Wireless, Multifunctional Measuring System Linux Operating System with On Board Processing and Evaluation Timing via NTP (Network Time Protocol), Optional GPS or 433 MHz Wi-Synch Enhanced Connectivity Options for GSM, GPRS, Satellite, Radio Telemetry or Landline Modem, Wired/Wireless Network Ring Buffer Continuous Recording Data Stream Output, Network Triggering Rugged, Water Resistant Cast Aluminium Housing with Levelling Base Plate for easy installation and Replacement Outline The GMS-18 is the ground breaking second generation of the GeoSIG Measuring Systems with extended connectivity capability and flexibility. The unit is developed in close coordination with USGS and deployed in high quantities in North America establishing the NetQuakes system. GMS is self-contained and is equipped with an uninterruptible power-supply, which provides, excluding options, more than 24 hours emergency operation without external power. Since the battery and power management are critical components in applications, excessive care has been taken in the charger design and the GMS is released as the first unit that can warn of It includes an Ethernet connection and optionally a 2.4 GHz Wi- a faulty battery before it is detected by a lack of communication Fi module to insure fast and reliable data transfer. during an AC power loss. Its design and efficiency makes it the first choice for any The GMS uses an intelligent “Real Time Clock” (RTC) with selfapplication requiring seismic instruments. With its optimized learning temperature compensation at a fraction of power and installation, operation and maintenance philosophy, the GMS thus cost of a TCXO. The RTC is able to synchronize with GPS offers the real possibility to implement such as high density or NTP (Network Time Protocol based on Internet UTC timing) to arrays with total operating costs at a small fraction of provide high timing accuracy. conventional strong-motion seismograph networks. The instrument can be locally connected to a laptop through its The instrument’s software processes data in real time. If ports for configuration, testing or data retrieval. The internal triggered by a seismic event, GMS calculates Peak Ground memory card can also be simply exchanged to retrieve the data. Acceleration (PGA), Peak Ground Velocity (PGV), Peak Ground Several advanced communication options exist such as for Displacement (PGD) and Response Spectrum (RSA) at various connection over the Internet; it can utilize a list of servers where frequencies of the event. GMS can report these parameters, the communication is based on a simple but highly secure file which are related to the strength of shaking, to a data centre exchange. where a synopsis (such as a shakemap) for disaster management facilities can be generated in almost real time over Wired or Wireless Interconnected Network option enables the the Internet. An event file is also recorded in the memory, which use of several units together in a time and trigger synchronised is sent out from the instrument and also securely accessible over manner; wireless using the Wi-Fi and Wi-Synch options. the Intern

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GMS NetQuakes Recorder - 2

Specifications GMS-18 Measuring System, NetQuakes Recorder Applications - NetQuakes - Seismic, Earthquake and Structural measuring and monitoring - Urban Seismology - High density monitoring networks - Shake / Hazard mapping - Disaster Management Set-up and Configuration Instrument setup is based on a configuration file in XML format. The configuration can be edited on site through the instrument console, exchanged by replacing the memory card or remotely from a server. Even if the configuration file can be manually edited at any time, a tool is provided to edit it securely. Data Analysis...

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