RFI in the 0.5 to 10.8 GHz Band at the Allen Telescope Array

Details RFI in the 0.5 to 10.8 GHz Band at the Allen Telescope Array RFI in the 0.5 to 10.8 GHz Band at the Allen Telescope Array

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...20925505b&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #255.05; Bulletin of the American Astronomical Society,

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Thanks to funding from the Paul G. Allen Foundation (and other philanthropic supporters) for the technology development and first phase of construction, the first 42 elements of the Allen Telescope Array (ATA-42) are being commissioned for rapid surveys of the astrophysical and technological sky. Because of the innovative design of this array that will eventually include 350 elements, traditional radio astronomy and SETI are enabled simultaneously 24x7. The array has been designed to provide an optimal snapshot image of a very large field of view and simultaneously, 16 (dual polarization) phased beams within the field of view to be analyzed by a suite of backend processors. Four independent 100 MHz bands may be tuned anywhere within the instantaneous receiver bandwidth from 0.5 to 11.2 GHz. One key to the success of rapid surveys for astrophysical or technological signals is a quiet background. This poster presents the results of initial surveys with 6.1 meter dishes at high-spectral-resolution of the background spectrum from 0.5 to 10.8 GHz at the Hat Creek Radio Observatory, where the ATA is being constructed, and compares it with the background spectrum from 1.2-3 GHz at other observatories where SETI observations have been conducted within the past 11 years.

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