Twenty years of SERENDIP, the Berkeley SETI effort - Past results and future plans

Details Twenty years of SERENDIP, the Berkeley SETI effort - Past results and future plans Twenty years of SERENDIP, the Berkeley SETI effort - Past results and future plans

Jan 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997abos.conf..667b&link_type=abstract

Conference Paper, Astronomical and Biochemical Origins and the Search for Life in the Universe, IAU Colloquium 161, Publisher: B

Astronomy and Astrophysics

Astronomy

Project Seti, Spectral Bands, Radio Telescopes, Signal Detection, Radio Frequency Interference, Hardware, Algorithms, Spectrometers, Transmitters

Scientific paper

The Berkeley SETI effort has been ongoing for more than 20 years. During this period we have carried out extensive SETI searches, but of at least equal importance, we have been on the forefront of instrumentation development, the development of interference rejection and detection algorithms, and educational efforts. Our instrumentation has evolved from a 100 channel spectrometer (SERENDIP I) to our latest machine (SERENDIP IV) with 168 million channels. In addition to supporting our SETI work, our hardware has been used by NASA for RFI surveys and to check the Mars Survey relay transmitter. Our designs have influenced several of the major SETI hardware systems, and a SERENDIP III system is currently being used in the Ohio State SETI group. We have just completed a four-year search at the world's largest radio telescope at Arecibo. We covered 93 percent of the observable sky at least once, and 44 percent of the sky at least five times, with a sensitivity of about 3 x 10 exp -25 W/sq m. We have developed extensive analysis programs to identify and remove interference and to search for signal characteristics which are expected from an extraterrestrial signal. Our algorithms were successful in removing all but 0.01 percent of spurious RFI in the Arecibo data set.

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