# Arecibo 1420 MHz drift scans, February–May 2020

> Drift scans of the hydrogen line made with the 305-metre telescope months before its collapse, in which the Arecibo Wow! team found weaker narrowband…

Source: https://mysteriesdept.com/mysteries/wow-signal/artifacts/ART0CXZ52T8551D/arecibo-1420-mhz-drift-scans-februarymay-2020  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

---

[Mysteries](https://mysteriesdept.com/mysteries)[Wow! signal](https://mysteriesdept.com/mysteries/wow-signal)[Artifacts](https://mysteriesdept.com/mysteries/wow-signal#artifacts)Arecibo 1420 MHz drift scans, February–May 2020

**ART** 0CXZ52T8551D·Artifact · recording

# Arecibo 1420 MHz drift scans, February–May 2020

RecordingarXiv-nonexclusiveObserved February–May 2020

[Cite]

**Not kept here.** This copy isn't ours to show. [See it where it's published](https://arxiv.org/abs/2408.08513).

Drift scans of the hydrogen line made with the 305-metre telescope months before its collapse, in which the Arecibo Wow! team found weaker narrowband emission from cold hydrogen clouds resembling the Wow! signal. The raw scans are not public.

Méndez, Ortiz Ceballos and Zuluaga, 2020. arXiv-nonexclusive

## Copies 1

**Document** Méndez, Ortiz Ceballos and Zuluaga · arxiv.org · 2024-08 · arXiv-nonexclusivePrimary source: [Arecibo Wow! I: An Astrophysical Explanation for the Wow! Signal](https://mysteriesdept.com/sources/SRC0CXZ4D2Y44ST/arecibo-wow-i-an-astrophysical-explanation-for-the-wow)2 steps from the original

[Where it's published](https://arxiv.org/abs/2408.08513)

## Where it is kept

[Arecibo Observatory, Puerto Rico](https://mysteriesdept.com/records/PLC0CXZ4GR40474/arecibo-observatory-puerto-rico) · Radio telescope (305 m dish collapsed 2020)

## Sources 1

- [Arecibo Wow! I: An Astrophysical Explanation for the Wow! Signal](https://mysteriesdept.com/sources/SRC0CXZ4D2Y44ST/arecibo-wow-i-an-astrophysical-explanation-for-the-wow)_SRC_

## Cite it

```
Mysteries Department. (2026). Arecibo 1420 MHz drift scans, February–May 2020 [Artifact ART0CXZ52T8551D]. https://mysteriesdept.com/r/ART0CXZ52T8551D
```

Key

**ART** 0CXZ52T8551D

Kind

Recording

Held by

Arecibo Observatory archive

Dated

observed February–May 2020

Licence

arXiv-nonexclusive

Place

[Arecibo Observatory, Puerto Rico](https://mysteriesdept.com/records/PLC0CXZ4GR40474/arecibo-observatory-puerto-rico)

Part of

[Wow! signal](https://mysteriesdept.com/mysteries/wow-signal)

The record

Every record is open data. Take this one as JSON, with its links and its history.

[JSON](https://mysteriesdept.com/api/v1/records/ART0CXZ52T8551D)