Sirius XM NASCAR Radio was created on 2007-01-01.
Metropolitan Opera Radio - Sirius XM - was created in 2006.
http://en.wikipedia.org/wiki/Sirius_satellite_radio
Sirius XM Radio's population is 1,526.
You can listen to just about any sport on Sirius XM Radio provided it is the right season for them. Currently you can listen to NHL Hockey, Nascar, NBA Basketball and Major League Baseball.
XM and Sirius radios have there own devices, just like iPod has iHomes, XM and Sirius radios have portable radios that you can plug in your XM or Sirius radio to.
Yes. This is the most relible part of Xm/Sirius radio.
Sirius XM Canada was created in 2011.
Sirius XM Preview was created in 2001.
XM Radio and Sirius - satellite radio, now Sirius XM
Sirius XM
SIRIUS XM Patriot was created in 2004-07.
XM and Sirius are now the same company, so they are both equal.