The Family Jewels: 10 Interesting Facts and Figures about the British Crown Jewels You May Not Already Know. The Crown Jewels. For centuries they have taken on a meaning of immeasurable wealth and high importance.
(It works with every major carmaker.) Of the 29.6 million subscribers to SiriusXM at the end of last year, 24.2 million paid the $11 to $20 monthly fee themselves, with the rest covered through promotions by car companies.
Three companies provide the world's satellite radio: XM Satellite Radio and Sirius Satellite Radio for the U.S.; and WorldSpace for Africa, Asia and Europe. XM uses two geostationary satellites and about 800 low-power ground repeaters scattered around cities where tall structures can block the satellites' line of sight [see upper illustration].