ESA has introduced its own wiki-based information source, Navipedia, which is also the first ever ESA technical wiki opened to the public. Anyone can comment, propose modification to an existing article, suggest a new topic or submit a draft article. There are more than 400 articles on the site to date covering the fundamental principles of satellite navigation, how receivers operate, the various systems in current or future operation around the globe and GNSS-related services and applications. Read More