Exhibit

0094-EX-RR-2005 Text Documents

XM Radio Inc.

2005-06-29ELS_71625

                                            Exhibit A

       Pursuant to Section 5.59(c) of the Commission‘s rules, XM Radio Inc. ("XM") hereby
requests a five—year renewal of its experimental license to test and demonstrate Satellite Digital
Audio Radio Service ("SDARS") terrestrial repeaters using it licensed frequencies (2332.5 MHz
— 2345 MHz). See Call Sign WB2XCA (File No. 0160—EX—ML—2000). This license was granted
in August 2000 for a five—year term which expires on September 1, 2005.

       XM‘s current experimental license permits operation of repeaters with an Effective
Radiated Power ("ERP") of up to 30.5 kW. XM‘s operations pursuant to its experimental license
to date have revealed that it can conductits tests and demonstrations with considerably less
power. XM accordingly proposes the following limits on Effective Isotropically Radiated Power
("EIRP") for repeaters authorized pursuant to this experimental license: (i) 10 kW EIRP for
repeater sites with omni—directional antennas and (ii) 20 kW EIRP for sites using a single sector
antenna with a 3 dB beamwidth of 160 degrees or less.

       As with its current license, grant of this renewal will serve the public interest by enabling
XM to continue to design, develop, test, and demonstrate its SDARS terrestrial repeater network,
including field—test measurements of design techniques through measurements of installed
system performance. Among other things, in—field experimental tests allow validation and
optimization of satellite and terrestrial signal—processing techniques and newly developed
satellite/terrestrial antenna designs.

       XM conducts experimental operations in various areas throughout the country, thus
requiring nationwide experimental authority. A nationwide experimental license affords XM the
flexibility to conduct tests and demonstrations without having to seek authority from the
Commission for every individual test or demonstration. Regardless of the precise location of the
tests or demonstrations, XM will not cause interference to other licensed services. XM‘s
repeaters use XM‘s exclusively licensed frequencies. Moreover, XM notes that it has received
no complaints of interference during operation pursuant to its current experimental license.

        Due to technical difficulties with the FCC‘s electronic filing system, XM hereby clarifies
its responses to the following questions on the Form 405.

       Response to Question 5. There have been no changes (such as discontinuance of use of a
       frequency or change in type of emission or of a transmitter) since the last application
       covering these stations was filed.

       Response to Question 7. The most recent ownership information for the licensee is
       contained in File No. 0013—EX—TU—2000.



Document Created: 2005-06-29 14:30:02
Document Modified: 2005-06-29 14:30:02

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