See also:

Listening to satellite radio
The Sirius satellite system consists of a number of high elevation satellites in geosynchronous orbit. NOTE • The digital signals from the Sirius satellites are line-of-sight, which means that p ...

Sub-channels
Example of an HD Radio station with sub-channels In many cases, a main HD Radio station (FM wavebands only) will also have sub-channels offering additional types of programming or music. In such ...

Laminated glass
This glass is reinforced to help provide protection against break-ins and improved sound insulation in the passenger compartment. The windshield, laminated panoramic roof and other windows ...