Lots More Information

Related HowStuffWorks Articles

• How Radio Works
• How the Radio Spectrum Works
• How Ham Radio Works
• How Satellite Radio Works
• How Radio Scanners Work
• Why do all FM radio stations end in an odd number?
• Why do you hear some radio stations better at night than in the day?

More Great Links

• HD Radio
• HD Radio Alliance
• Crutchfield Advisor: What is HD Radio?
• Federal Communications Commission

Sources

• Dotinga, Randy. "Sagging Radio Plays Digital Card." Wired, June 14, 2005.
  http://www.wired.com/news/digiwood/0,1412,67821,00.html
• Ferency-Viars, Robert. "What You Need to Know about HD Radio." Crutchfield Advisor.
  http://www.crutchfieldadvisor.com/S-ouVVtw0FYGy/learningcenter/car/hdradio.html?page=1
• Junko, Yoshida. "Last-Minute Changes Blur U.S. Digital Radio Spec." TechWeb, August 15, 2003.
  http://www.techweb.com/wire/26802074
• Nave, Rod. "Broadcast Signals."
  http://hyperphysics.phy-astr.gsu.edu/Hbase/audio/bcast.html
• Shapiro, Leslie. "Review of the Panasonic CQ-CB9900U HD Radio Receiver." Crutchfield Advisor, November 30, 2004.
  http://www.crutchfieldadvisor.com/S-UTEYbNvtt9o/reviews/20041130/panasonic_cb9900u.html?page=1