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Most text in Amateur Radio Wiki, excluding quotations, has been released under the Creative Commons Attribution-Sharealike 3.0 Unported License (CC-BY-SA) and can therefore be reused only if you release any derived work under the Creative Commons Attribution/Share-Alike License. This requires that, among other things, you attribute the authors and allow others to freely copy your work.

All text published before January 1st, 2012 on Amateur Radio Wiki was released under public domain status. The CC-BY-SA licensing does not affect any existing public domain status, and you may also use the page history to retrieve content published before that date to ensure license compatibility.

If you are unwilling or unable to use the Creative Commons Attribution/Share-Alike License for your work, use of Amateur Radio Wiki content is unauthorized. Small quotations of Amateur Radio Wiki content, with its source attributed, may be permissible under the "fair use" clause of US copyright law. No permission is needed to create a hyperlink to Amateur Radio Wiki or its articles.

Images used in Amateur Radio Wiki may have their own, completely independent licensing scheme. Looking at an image's description page by clicking on the image itself should ideally tell you the copyright status of the image. Many images are either in the public domain or licensed under copyleft licenses (such as the Creative Commons Attribution/Share-Alike License), but many are copyrighted and used on Amateur Radio Wiki under the "fair use" clause of US copyright law.

Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)


This is a human-readable summary of the full license below.

You are free:

  • to Share—to copy, distribute and transmit the work, and
  • to Remix—to adapt the work

Under the following conditions:

  • Attribution—You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work.)
  • Share Alike—If you alter, transform, or build upon this work, you may distribute the resulting work only under the same, similar or a compatible license.

With the understanding that:

  • Waiver—Any of the above conditions can be waived if you get permission from the copyright holder.
  • Other Rights—In no way are any of the following rights affected by the license:
    • your fair dealing or fair use rights;
    • the author's moral rights; and
    • rights other persons may have either in the work itself or in how the work is used, such as publicity or privacy rights.
  • Notice—For any reuse or distribution, you must make clear to others the license terms of this work. The best way to do that is with a link to