Howard Stern to Move to Sirius Radio  NEW YORK (Reuters) - "Shock jock" Howard Stern will jump to  Sirius Satellite Radio &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=SIRI.O target=/stocks/quickinfo/fullquote"&gt;SIRI.O&lt;/A&gt; in January 2006, moving his  controversial show from the public airwaves and giving the  nascent satellite radio sector a big boost.