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The SERENDIP piggyback SETI project.

M Lampton1, S Bowyer, D Werthimer

  • 1Astronomy Department, University of California, Berkeley 94270, USA.

Acta Astronautica
|March 1, 1992
PubMed
Summary
This summary is machine-generated.

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The SERENDIP project efficiently monitors radio signals using existing observatories. Its automated system identifies promising signal correlations while filtering out interference, advancing radio astronomy research.

Area of Science:

  • Radio Astronomy
  • Signal Processing
  • Astrophysical Signal Detection

Background:

  • The Search for Extraterrestrial Intelligence (SETI) requires continuous monitoring of vast radio spectrum.
  • Traditional radio astronomy surveys may not always dedicate sufficient resources for SETI-specific signal analysis.
  • Existing radio astronomy infrastructure can be leveraged for cost-effective, large-scale signal acquisition.

Purpose of the Study:

  • To describe the Search for Extraterrestrial Radio Emissions from Nearby Intelligent Originating Projects (SERENDIP) system and its operational status.
  • To summarize findings from thousands of hours of broadband radio signal monitoring.
  • To detail the methods for automated data acquisition and interference rejection in radio astronomy.

Main Methods:

Keywords:
NASA Discipline ExobiologyNASA Discipline Number 52-60NASA Program ExobiologyNon-NASA Center

Related Experiment Videos

  • SERENDIP operates autonomously in a piggyback mode, utilizing the observing schedules of host radio astronomy observatories.
  • An automated data acquisition system employs adaptive thresholds to log statistically significant real-time power spectra peaks.
  • Off-line analysis programs are used to identify and reject various terrestrial and extraterrestrial interference signals.

    • Main Results:

    • The SERENDIP II system has successfully operated for thousands of hours at the National Radio Astronomy Observatory (NRAO) 300-foot telescope.
    • The system demonstrates an economical approach to acquiring substantial amounts of high-quality observing time.
    • Several specific signal correlations have been identified, showing potential for further investigation.

    Conclusions:

    • The SERENDIP project provides a viable and economical method for continuous radio signal monitoring.
    • Development and testing of advanced interference rejection algorithms are crucial for refining signal analysis.
    • The project's methodology offers a promising avenue for enhancing radio astronomy surveys and SETI research.