From Anarchy Online Wiki [AOWiki]

GridStream Productions (also called "GSP") is a non-profit organization based entirely in the world of Anarchy Online on the planet of Rubi-Ka. We are dedicated to bringing live audio entertainment to the world of Rubi-Ka in as many accessible forms as possible, with a primary focus on a form of radio-style internet broadcasting known to the real world as "Shoutcasting". On Rubi-Ka, this is known as "Gridcasting".