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Maximum usable frequency

highest radio frequency that can be used for skywave radio transmission
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Maximum usable frequency

Summary

Maximum usable frequency ranks in the top 2% of general entities by monthly Wikipedia readership (53 views/month).[1]

Key Facts

  • Maximum usable frequency's Library of Congress authority ID is recorded as sh85082383[2].
  • Maximum usable frequency's Freebase ID is recorded as /m/0bby5[3].
  • Maximum usable frequency's Microsoft Academic ID is recorded as 60036623[4].
  • Maximum usable frequency's National Library of Israel J9U ID is recorded as 987007558284405171[5].
  • Maximum usable frequency's Yale LUX ID is recorded as concept/b6cc4457-e627-49f3-b94f-4123e3c14e3a[6].

Why It Matters

Maximum usable frequency ranks in the top 2% of general entities by monthly Wikipedia readership (53 views/month).[1] It has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[7] It is known by 6 alternative names across languages and contexts.[8]

References

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

Direct Wikidata claims

  1. [2] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  2. [3] ↑ . Freebase Data Dumps. wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . National Library of Israel Names and Subjects Authority File. wikidata.org.
  5. [6] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [7] ↑ . Wikidata sitelinks. wikidata.org.
  3. [8] ↑ . 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). Maximum usable frequency. Retrieved April 10, 2026, from https://4ort.xyz/entity/maximum-usable-frequency
MLA “Maximum usable frequency.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/maximum-usable-frequency.
BibTeX @misc{4ortxyz_maximum-usable-frequency_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Maximum usable frequency}}, year = {2026}, url = {https://4ort.xyz/entity/maximum-usable-frequency}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Maximum usable frequency — https://4ort.xyz/entity/maximum-usable-frequency (retrieved 2026-04-10)

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