Evidence · UVB-76, "the Buzzer"

A Russian observatory uses a stable 4.625 MHz broadcast carrier as the reference for ionospheric Doppler…

A Russian observatory uses a stable 4.625 MHz broadcast carrier as the reference for ionospheric Doppler sounding.

Suggestive0

What it bears on 1 answer

The station sounds the ionosphere, for example to support over-the-horizon radar.

Disputed

FOR

Cite it

Mysteries Department. (2026). A Russian observatory uses a stable 4.625 MHz broadcast carrier as the reference for ionospheric Doppler… [Evidence EVD0CR2JXSP431H]. https://mysteriesdept.com/r/EVD0CR2JXSP431H

@misc{mysteriesdept_evd0cr2jxsp431h,
  title     = {A Russian observatory uses a stable 4.625 MHz broadcast carrier as the reference for ionospheric Doppler…},
  author    = {{Mysteries Department}},
  year      = {2026},
  note      = {Evidence, catalog key EVD0CR2JXSP431H},
  url       = {https://mysteriesdept.com/r/EVD0CR2JXSP431H}
}