extremely low frequency

the 3–30 Hz range of the electromagnetic spectrum
Place itu_radio_band Q741979
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extremely low frequency

Summary

extremely low frequency is an ITU radio band[1]. It draws 402 Wikipedia views per month (itu_radio_band category, ranking #2 of 12).[2]

Key Facts

  • extremely low frequency's instance of is recorded as ITU radio band[3].
  • extremely low frequency's followed by is recorded as super-low frequency[4].
  • extremely low frequency's Library of Congress authority ID is recorded as sh89000811[5].
  • extremely low frequency's part of is recorded as radio spectrum[6].
  • extremely low frequency's Freebase ID is recorded as /m/01__ql[7].
  • extremely low frequency's topic's main category is recorded as Category:Extremely low frequency[8].
  • extremely low frequency's Encyclopædia Britannica Online ID is recorded as science/extremely-low-frequency-radiation[9].
  • extremely low frequency's short name is recorded as {'lang': 'en', 'text': 'ELF'}[10].
  • extremely low frequency's JSTOR topic ID is recorded as extremely-low-frequencies[11].
  • extremely low frequency's lower limit is recorded as {'unit': 'Q39369', 'amount': '+3'}[12].
  • extremely low frequency's upper limit is recorded as {'unit': 'Q39369', 'amount': '+30'}[13].
  • extremely low frequency's Microsoft Academic ID is recorded as 43823981[14].
  • extremely low frequency's National Library of Israel J9U ID is recorded as 987007539222605171[15].
  • extremely low frequency's OpenAlex ID is recorded as C43823981[16].
  • extremely low frequency's Wellcome Collection concept ID is recorded as xjemk68w[17].
  • extremely low frequency's Yale LUX ID is recorded as concept/bea9cf23-9dd6-4940-8d99-4f58b1698cff[18].

Body

Geography

extremely low frequency's part of is recorded as radio spectrum[6].

Designation and Status

extremely low frequency's instance of is recorded as ITU radio band[3].

Why It Matters

extremely low frequency draws 402 Wikipedia views per month (itu_radio_band category, ranking #2 of 12).[2] It has Wikipedia articles in 25 language editions, a strong signal of global cultural recognition.[19] It is known by 7 alternative names across languages and contexts.[20]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . Nomenclature of the frequency and wavelength bands used in telecommunications (08/2015). wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . github.com. Retrieved . github.com. Provenance: wikidata.org.
  4. [6] . Nomenclature of the frequency and wavelength bands used in telecommunications. wikidata.org.
  5. [7] . Freebase Data Dumps. wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . Nomenclature of the frequency and wavelength bands used in telecommunications (08/2015). wikidata.org.
  11. [13] . Nomenclature of the frequency and wavelength bands used in telecommunications (08/2015). wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . National Library of Israel Names and Subjects Authority File. wikidata.org.
  14. [16] . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [19] . Wikidata sitelinks. wikidata.org.
  3. [20] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). extremely low frequency. Retrieved May 3, 2026, from https://4ort.xyz/entity/extremely-low-frequency
MLA “extremely low frequency.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/extremely-low-frequency.
BibTeX @misc{4ortxyz_extremely-low-frequency_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{extremely low frequency}}, year = {2026}, url = {https://4ort.xyz/entity/extremely-low-frequency}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): extremely low frequency — https://4ort.xyz/entity/extremely-low-frequency (retrieved 2026-05-03)

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