Strange Signals

Open Case

UVB-76

UVB-76, often called The Buzzer, is a long-running shortwave radio signal with changing voice messages and uncertain operational purpose. Stable source set includes monitoring archives and reference material; the case is valuable as a signal-tracking mystery with community observation history.

Case identity

3 sources / 3 evidence items / updated Jun 12, 2026

Date

1973

Location

Russia

Category

Strange Signals

Status

Open Case

30-Second Summary

What happened?

UVB-76, often called The Buzzer, is a long-running shortwave radio signal with changing voice messages and uncertain operational purpose.

Why is it famous?

Stable source set includes monitoring archives and reference material; the case is valuable as a signal-tracking mystery with community observation history.

Current consensus?

The case has enough stable source material to inspect, while extraordinary interpretations remain provisional.

80Signal

Overall investigation significance score.

71Reality

How strongly evidence supports that the event occurred.

48Debunk

How strongly conventional explanations explain the event.

45Residue

How much unexplained material remains.

Signal basis: score reflects source count, evidence count, freshness, and search interest. Individual evidence and explanation strength is shown inside the workspace so the top score has visible provenance.

Your read

Source Reading Desk

Read the case through the reporting, not just the summary

Sources are arranged for inspection: publisher, date, original excerpts, and Atlas interpretation are separated so readers can judge the material before accepting the assessment.

3
Sources
3
Materials
5
Excerpts

#1 / Archive / Wikipedia / Date unknown

UVB-76 - Wikipedia

Wikipedia source material related to this case.

2 excerptsInspect

Original reporting is separated from Atlas interpretation.

Open

Source Summary

Wikipedia source material related to this case.

Atlas Interpretation

This item is separated so readers can inspect the source trail without mixing every report into one summary block.

Original Excerpts

Source text
Please help improve it by removing references to unreliable sources , where they are used inappropriately .
Source: Wikipedia
( March 2025 ) ( Learn how and when to remove this message ) "The Buzzer" redirects here.
Source: Wikipedia
Related: Media or visual material

Case workspace

Understand the event before judging it

Start here if you are new to the case: what happened, why people still care, and what the archive currently thinks.

What happened?

UVB-76, often called The Buzzer, is a long-running shortwave radio signal with changing voice messages and uncertain operational purpose.

Why it still matters

Stable source set includes monitoring archives and reference material; the case is valuable as a signal-tracking mystery with community observation history.

Current read

The case has enough stable source material to inspect, while extraordinary interpretations remain provisional.

Why the signal is high

This case has multiple accessible sources, a durable visual record, recurring anniversary coverage, and a clear unresolved residue: the later light row is explainable, while the earlier formation accounts are harder to reconstruct cleanly.

Source-driven case file. No source means no evidence.

Case Verdict

Best current interpretation

Open Case

Strongly supported

Please help improve it by removing references to unreliable sources , where they are used inappropriately .

Likely explained

This case still needs a stronger dedicated debunk source; current interpretation should remain conservative until better analysis is attached.

Still unresolved

Which records are closest to the original event?

The case has enough stable source material to inspect, while extraordinary interpretations remain provisional.

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Continue the trail