Actually, the Sirius satellites are in highly ellipitical orbits that appear to follow a sort-of figure-eight shape. See:Pawned said:
http://www.heavens-above.com/orbitdisplay.asp?satid=26390
My Sirius antenna is mounted just above the trunk lid, which works fine on my convertible. I'm not sure if it would work as well on a coupe.
-- Roger
http://mustang.jadebox.com