Using multiple beams to identify radio frequency interference in the search for extraterrestrial intelligence

  title={Using multiple beams to identify radio frequency interference in the search for extraterrestrial intelligence},
  author={Gerry R. Harp},
  journal={Radio Science},
  • G. Harp
  • Published 1 October 2005
  • Physics
  • Radio Science
The Allen Telescope Array (ATA) is a multiuser instrument and will perform simultaneous radio astronomy and radio search for extraterrestrial intelligence (SETI) observations. It is a multibeam instrument, with 16 independently steerable dual‐polarization beams at four different tunings. Here we describe a new method for identifying radio frequency interference (RFI) that leverages the unique attributes of the ATA. Given four beams at one tuning, it is possible to distinguish RFI from true ETI… 
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