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Dan Werthimer (University of California, Berkeley)

Dan Werthimer Colloquium: SETI and CASPER

The Australia Telescope National Facility Colloquium
14:00-15:00 Thu 02 Jul 2015

Marsfield Lecture Theatre


SETI with help from Eight Million Volunteers,
and the CASPER Collaboration for Astronomy Signal Processing Instrumentation

Werthimer will discuss the search for radio, infrared, and optical signals from other civilizations.  Berkeley's SETI@home project analyzes Arecibo data using desktop computers from millions of volunteers. SETI@home participants have contributed millions of years of computer time and have formed one of Earth's most powerful supercomputers.  Users have the small but captivating possibility their computer will detect the first signal from a civilization beyond Earth.
Dan will also present some of the new open source radio astronomy instruments, hardware, gateware, GPUware, and software developed by the CASPER collaboration, including new ADC and FPGA boards, heterogeneous correlators, spectrometers, and pulsar instrumentation, as well plans for next generation CASPER tools and libraries.
CASPER collaborators at hundreds of universities, government labs and observatories have used these techniques to  rapidly develop and deploy a variety of correlators,  beamformers, spectrometers, pulsar/transient machines, SETI and VLBI instrumentation.    CASPER instrumentation is also utilized in physics, medicine, genomics and engineering.
Open source source hardware, software, libraries, tools,  tutorials, training videos, reference designs, and information on how to join the collaboration are available at


Matthew Kerr

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