Radio Sylvia, founded in 1977, is a free, alternative, and non-commercial radio station broadcasting from Hamburg. Initially a pirate radio station, it now transmits legally via the internet and shortwave. The station focuses on punk, metal, and alternative music, and is operated by a team of international radio and music enthusiasts. Radio Sylvia offers various streams and broadcasts on shortwave on the first Saturday of each month, featuring programs like "Blackout," "Pluggin' Baby Radio Show," and "The Best of Irish Indie."