Howard 100 and Howard 101  xL Howard 100 and xL Howard 101 are two uncensored channels on Sirius Satellite Radio and XM Satellite Radio, two satellite radio services that broadcast programming affiliated with Howard Stern and "The Howard Stern Show". Though the channels were first broadcast on September 29, 2005, Stern could not officially broadcast until January 1, 2006, as Stern was still at WXRK, the terrestrial radio station where he had to finish his FM radio contract.  , radio programs on Howard 100 include:  , radio programs on Howard 101 include: