How the nation's first satellite radio service keeps 100 CD-quality stations on the air.
1. On-Air Schedule:
Four computers (two on each side of the room) display play lists as they're chosen by the DJs.
2. Repeater Status Map:
More than 800 repeaters amplify XM's signals, ensuring you don't lose reception under bridges or
in tunnels. A green dot means the repeater is fine, red means it needs maintenance.
3. Parabolic Speaker:
Broadcasts any of XM's stations into the room.
4. Satellite Projection Screen: