Wikiham - The ham radio free encyclopedia is an English-language encyclopedia for the amateur radio community, operated by XZGroup.
Its aim is to make radio knowledge understandable, practical and reusable. Articles should explain terms, show how conclusions were reached and link to dependable sources.
Unless a page or media file identifies a different permitted licence, original contributions are shared under Creative Commons Attribution-ShareAlike 4.0. Credit the authors and retain the licence when reusing material.
Contributors should submit their own work or material they are entitled to share. Equipment manuals, photographs and other third-party works may have their own licences.
Use clear English, distinguish facts from observations and keep product claims neutral. For regulations, band plans and software instructions, link to the current primary source and record the relevant jurisdiction or version.
Read the contributor guide to get started.