XM Letter (July 14, 2008)

0305-EX-PL-2008 Text Documents

NORTEL NETWORKS, INC.

2008-07-15ELS_91869

XM SATELLITE RADIO James S. Blitz Vice President, Regulatory Counsel XM SATBLLITE RADIO 1500 Eckington Place, NE Washington, DC 20002 jim.blitz@xmradio.com P: 202—380—1383 July 14, 2008 F: 202—380—4981 Via Hand Delivery Ms. Marlene H. Dortch Secretary | Federal Communicitions Commission 445 12th Street, S.W. Washington, D.C. 20554 Re: Nortel Networks, Inc. Request for Experimental License File No. 0305—EX—PL—2008 Dear Ms. Dortch: XM Radio Inc. ("XM") hereby comments on the above—referenced application of Nortel Networks, Inc. ("Nortel") requesting an Experimental License to conduct testing in the 2.3 GHz . band in Dallas, Texas for thirty—six months. Due to the need to prevent potential harmful interference to XM‘s operations, XM requests that the Office of Engineering and Technology ("OET") require Notrtel to adhere to existing Part 27 limits for these experimental operations. XM is the licensee of a Satellite Digital Audio Radio System ("SDARS") system in the 2332.5—2345 MHz band that provides over 170 channels of high—quality, continuous, multi— channel audio service throughout the United States. More than nine million customers currently subscribe to XM‘s service. XM urges OET to require that any equipment operated in the 2.3 GHz band pursuant to this application must satisfy the out—of—band emission limits and other technical requirements for operations in the 2.3 GHz Wireless Communications Service band, as specified in Part 27 of the Commission‘s rules. Compliance with these technical restrictions is critical to avoiding harmful interference to XM‘s subscribers. In addition, XM requests that OET require Nortel to provide a 24—hour contact number so that any interference that does occur can be immediately resolved. 1500 ECKINGTON PLACE, NE WASHINGTON DC 20002—2164 P 202—380—4000 F 202—380—4500 XMRADIO.COM

Ms. Marlene H. Dortch July14, 2008 Page 2 If there are any questions regarding this matter, please contact the undersigned. ery truly yours, . es S. BK ice President, Regulatory Counsel cc: James Burtle, FCC John Kennedy, FCC Doug Young, FCC Tariq Habibbullah, Nortel Networks, Inc. (htariq@nortel.com)


Document Created: 2008-07-15 10:59:20
Document Modified: 2008-07-15 10:59:20
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