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Fundamental AcousticsLaboratories / Est. 1958

Persistent Signal Catalog · Class I

BLC-1

A narrow-band candidate recorded in the direction of Proxima Centauri, later attributed to terrestrial interference. Included as a model of careful candidate handling.

A narrow-band candidate recorded in the direction of Proxima Centauri, later attributed to terrestrial interference. Included as a model of careful candidate handling.

Public packet
  • catalog abstract
  • classification rationale
  • public source links
  • J2000 plotting coordinates
Review controls
Coordinate source
Breakthrough Listen, Parkes Observatory public coordinates
Uncertainty
Published or catalogued coordinate, rounded for public display
Release state
Resolved reference case
Marker use
targeted Proxima Centauri search direction

Processing notes

  • source publication review
  • coordinate normalization for Night Watch where available
  • classification against FAL behavioral taxonomy
  • retention as a public comparison case

Ordinary-source checks

  • source interpretation retained from the cited literature
  • public summary avoids unsupported origin claims
  • comparison use is behavioral rather than evidentiary

Release limits

  • interpretation remains with the cited source record
  • FAL classification is behavioral and does not replace the original literature
  • coordinates are shown only when stable public values are available