// AU · COLLECTION

AUDIO ARCHIVE

1 RECORDS RECOVERED

Recordings recovered from the regions. The hum is in all of them. Some were captured by equipment that was switched off. Playback is held under archive safety review.

⚠ CROSS-REFERENCE BEFORE TRUSTING ANY MEASUREMENT

AU-0030-C

Carrier Tone, 03:00–03:04

58%

A four-minute tone recorded automatically every night between 03:00 and 03:04. The tone is identical each night except for one detail that is never the same.

DEGRADED INTEG UNSTABLE SIG LOW Unmapped

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