Three Year Contract Signed With Geoscience Australia

PRESS RELEASE – July 3, 2008

Geoscience Australia and REF TEK signed a contract in June 2008 for REF TEK to supply a total of 38 130-01/6 recorders over the course of three years. Geoscience Australia is in charge of the Australian Tsunami Warning System (ATWS) which is still in the process of being installed as well as the Australian National Seismic Network (ANSN). In addition to these major seismic networks, they also have a smaller seismic network known as JUMP (Joint Urban Monitoring Program). In a joint venture between the State and Federal Government, seismic activities are monitored throughout Australia where populations of 50,000 ore more people are located.

Currently, this network consists of aging 16-bit data loggers with older accelerometers, HSA3’s, and, at times, seismometers such as the L4C single channel, L4C3D and S6000 connected to the data loggers. These data loggers are set in trigger mode and are dialed up once a day (nominally) and the data available is downloaded. This data is then used to monitor the effect of earthquakes in urban areas, and the accelerations measured by the network are used to set standards used in the building code as part of hazard mitigation.

The equipment began to deteriorate over the past few years leading Geoscience Australia to upgrade the entire system. After a thorough inspection of recorders from multiple vendors, the 130-01/6 from REF TEK was selected as the recorder of choice for each of the sites. Every station will consist of a 130-01/6 recorder along with a REF TEK 131A-02/3 accelerometer and short period seismometer. The streaming data (20sps) will be sent in real-time to the Geoscience Australia’s Data Collection Centre with the high sample data (100/200 sps) being captured on disk to be downloaded at a later date after an event has occurred. The real-time data feed will be included with the data from the ATWS and ANSN networks for use in tsunami and earthquake monitoring and locating.

The upgrade will be executed in three phases. The first phase will involve upgrading twelve stations in the Queensland state network including: Gold Coast, Brisbane, Townsville, Cairns, Gladstone, Rockhampton and Toowoomba. Additional stations will be upgraded in 2009 and 2010.

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