IO.SOUND produces this program. Sketchpad is an ongoing monthly radio program produced for free103point9. free103point9 is a nonprofit arts organization based in New York State that defines and cultivates the genre of Transmission Art by promoting artists who make work with, for, and about the electromagnetic spectrum. The Sketchpad program features a re-broadcast of previous Radius episodes. Each episode is followed by a playlist of works selected by that episode’s artist. The series seeks to highlight the peripheral work that influences the research and production of the episode.