Persistent Signal Catalog · Class II
The recovered 1966 tape
A persistent carrier too faint to hear in 1966, recovered decades later by distributed reanalysis.
A persistent carrier too faint to hear in 1966, recovered decades later by distributed reanalysis.
Public packet
- media accession summary
- digitization chain statement
- distributed reanalysis manifest
- below-floor carrier recovery note
Review controls
- Coordinate source
- Archival tape box metadata; exact field position withheld
- Uncertainty
- Recovered medium only; no public source location
- Release state
- Public recovery abstract released
Processing notes
- archival tape digitization with wow and flutter correction
- distributed low-SNR carrier search
- operator-note reconciliation
- modern reference run against current station noise
Ordinary-source checks
- maintenance and station schedule review
- ordinary-source exclusion summary
- release review before public posting
Release limits
- physical media access requires archive approval
- field location remains withheld
- distributed packets contain excerpts, not the full tape
Public release note
The public packet documents the recovery method and quality controls. The physical tape and full digitization chain remain accession-controlled.