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Chart of Radio Spectrum Allocations

Welcome to SpectrumWiki

SpectrumWiki.com is an aggregate of information about the radio spectrum and its many uses. On a band-by-band basis, SpectrumWiki.com contains:
  • Allocations
  • Pertinent regulatory footnotes
  • FCC rule parts
  • U.S. spectrum auction revenue
  • Engineering data
Additional information about the radio spectrum is contributed on a crowd-sourced basis through a wiki environment, including:
  • Spectrum usage (systems and applications)
  • Regulatory and legislative actions
  • Band plans
  • Spectrum measurements
  • Historical data
and more. Please see below for more information about contributing to SpectrumWiki.

Latest Wiki Entries

Here are a few of the latest new and modified entries in SpectrumWiki:
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Very Large Array

Please Contribute to SpectrumWiki!

SpectrumWiki data come from users like you, who contribute new information and expand or refine existing information. A small amount of data contributed by each of many users helps build a comprehensive knowledgebase of radio spectrum use.

The site is optimized for use by:

  • Spectrum managers
  • Regulators
  • Frequency coordinators
  • Engineers
  • Attorneys
  • Economists
and others with an interest in the radio spectrum.

SpectrumWiki does not contain specific license data. Such information is already available through a variety of sources, including

nor does it provide extensive information about the systems that occupy the radio spectrum if such information is available elsewhere. What it does do is organize specific frequency-related information, and makes it easy, through a simple query, to figure out what each radio spectrum band is used for.

The SpectrumWiki philosphy is to collect data about specific systems, applications, measurements, regulatory actions, etc., and the band or bands that are impacted. When a user queries a particular frequency, any relevant information that impacts that frequency will be returned.

SpectrumWiki is free and open to the public. No registration is required. If you wish to add new material or edit existing material, we ask that you sign up as a registered user, for security reasons.

To get started as a contributor, please register then take a quick look at the help page.