What is a "Xm Signal"? The Most Authoritative Explanation.
What does XM stand for in XM Radio?
XM Satellite Radio. XM Satellite Radio (XM) was one of the three satellite radio (SDARS) and online radio services in the United States and Canada, operated by Sirius XM Holdings.How many radio carriers does XM use?
The XM radio signal was broadcast on 6 separate radio carriers within the 12.5 MHz allocation. The entire content of the radio service, including both data and audio content, was represented by only two carriers. The other 4 carriers carried duplicates of the same content to achieve redundancy through signal diversity.What happened to XM Satellite Radio?
On January 13, 2011, XM Satellite Radio, Inc. was dissolved as a separate entity and merged into Sirius XM Radio, Inc. Prior to its merger with Sirius, XM was the largest satellite radio company in the United States.Does XM have commercials on their channels?
In response, Sirius has advertised that they are the only satellite radio provider that has 100% commercial-free music channels. Both XM and Sirius air commercials on their news, talk, and sports channels. The Clear Channel forward sales agreement with Bear, Stearns & Co. Inc was terminated on August 2, 2006.
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