Sirius Satellite Radio is a satellite radio (SDARS) service operating in North America. Music streams on Sirius carry a wide variety of genres, broadcasting 24 hours daily, commercial-free, and uncensored. A subset of Sirius music channels is included as part of the Dish Network satellite television service. Sirius channels are identified by Arbitron with the label "SR" (e.g. "SR120", "SR9", "SR17"). Its business model is to provide pay-for-service radio, analogous to the business model for premium cable television.