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  **World Radiocommunication Conference (WRC-07)\  ![](media/image1.png){width="1.9270833333333333in"
  Geneva, 22 October - 16 November 2007**          height="0.8125in"}

                                                   

                                                   

  **PLENARY MEETING**                              **Addendum 5 to Document 5-E**

                                                   **7 September 2007**

                                                   **Original: English**

  United States of America                         

  proposals for the work of the conference         

  Agenda item 2                                    
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2 to examine the revised ITU-R Recommendations incorporated by reference
in the Radio Regulations communicated by the Radiocommunication
Assembly, in accordance with Resolution **28 (Rev.WRC‑03)**, and to
decide whether or not to update the corresponding references in the
Radio Regulations, in accordance with principles contained in the Annex
to Resolution **27** **(Rev.WRC‑03)**

Background information

Although Recommendation ITU-R M.1642 fulfilled the criteria for
incorporation into the RR agreed at WRC-03 no proposal recommended its
incorporation by reference and it was not entered in Volume 4 of the
RRs. A proposal to accomplish this is now contained in USA/5A5/1.
However, as a consequence of adopting such a proposal there are
consequential changes which need to be made in the RR, and a proposal is
required to indicate what these are. The proposal below is intended to
accomplish this objective.

ARTICLE 5

Frequency allocations

Section IV -- Table of Frequency Allocations\
(See No. 2.1)

**MOD** USA/5A5/1

**5.328A** Stations in the radionavigation-satellite service in the band
1 164-1 215 MHz shall operate in accordance with the provisions of
Resolution **609 (Rev.WRC‑07)** and shall not claim protection from
stations in the aeronautical radionavigation service in the band
960-1 215 MHz. No. **5.43A** does not apply. The provisions of
No. **21.18** shall apply.     (Rev.WRC-07)

**Reasons:** Consequential change due to the incorporation by reference
of Recommendation ITU‑R M.1642-1.

**MOD** USA/5A5/2

RESOLUTION 609 (Rev.WRC-07)

Protection of aeronautical radionavigation service systems from the\
equivalent power flux-density produced by radionavigation-\
satellite service networks and systems in the\
1 164-1 215 MHz frequency band

The World Radiocommunication Conference (Geneva, 2007),

considering

...

*d)* that WRC-03 determined that protection of the ARNS from harmful
interference can be achieved if the value of the equivalent pfd (epfd)
produced by all the space stations of all RNSS (space-to-Earth) systems
in the 1 164-1 215 MHz band does not exceed the level of
--121.5 dB(W/m^2^) in any 1 MHz band;

...

*i)* that WRC-03 decided to apply the coordination provisions of
Nos. **9.12**, **9.12A** and **9.13** to RNSS systems and networks for
which complete coordination or notification information, as appropriate,
is received by the Bureau after 1 January 2005,

\...

resolves

...

5 that in order to allow multiple RNSS systems to operate in the
frequency band 1 164-1 215 MHz, no single RNSS system shall be permitted
to use up the entire interference allowance specified in *resolves *1
above in any 1 MHz of the 1 164-1 215 MHz band (see Recommendation **608
(Rev.WRC-07)**);

...

8 the administrations participating in the consultation meeting shall
designate one administration that shall communicate to the Bureau the
results of any aggregate sharing determinations made in application of
*resolves *2 above, without regard to whether such determinations result
in any modifications to the published characteristics of their
respective systems or networks (see Recommendation **608
(Rev.WRC-07)**);

9 that administrations operating or planning to operate ARNS systems in
the 1 164-1 215 MHz band should participate, as appropriate, in
discussions and determinations relating to the *resolves* above;

10 that the methodology and the reference worst-case ARNS system antenna
contained in Recommendation ITU‑R M.1642-1 shall be used by
administrations for calculating the aggregate epfd produced by all the
space stations within all RNSS systems in the band 1 164-1 215 MHz,

instructs the Radiocommunication Bureau

1 to participate in consultation meetings mentioned under *resolves* 6
and to observe carefully results of the epfd calculation mentioned in
*resolves* 1;

2 to determine whether the pfd level in *recommends *1 of Recommendation
**608 (Rev.WRC‑07)** is exceeded by any subject space station, and to
report the findings of this determination to the participants in the
consultation meeting;

3 to publish in the International Frequency Information Circular (BR
IFIC), the information referred to in *resolves* 8 and *instructs the
Radiocommunication Bureau* 2,

...

ANNEX TO RESOLUTION 609 (Rev.WRC-07)

Criteria for application of Resolution 609 (Rev.WRC-07)

...

**Reasons:** Consequential change due to the incorporation by reference
of Recommendation ITU‑R M.1642-1.

**MOD** USA/5A5/3

RECOMMENDATION 608 (Rev.WRC-07)

Guidelines for consultation meetings established in\
Resolution 609 (Rev.WRC-07)

The World Radiocommunication Conference (Geneva, 2007),

considering

*a)* that in accordance with the Radio Regulations (RR), the band
960-1 215 MHz is allocated on a primary basis to the aeronautical
radionavigation service (ARNS) in all the ITU Regions;

*b)* that WRC‑2000 introduced a co-primary allocation for the
radionavigation-satellite service (RNSS) in the frequency band
1 164-1 215 MHz (subject to the conditions specified under
No. **5.328A**), with a provisional limit on the aggregate power
flux-density (pfd) produced by all the space stations within all
radionavigation-satellite systems at the Earth's surface of
115 dB(W/m^2^) in any 1 MHz band for all angles of arrival;

*c)* that WRC-03 revised this provisional limit and decided that the
level of ‑121.5 dB(W/m^2^) in any 1 MHz for the aggregate equivalent pfd
(epfd) applying for all the space stations within all RNSS systems,
taking into account the reference worst-case ARNS system antenna
characteristics described in Annex 2 of Recommendation ITU‑R M.1642, is
adequate to ensure the protection of the ARNS in the band
1 164-1 215 MHz;

*d)* that WRC-03 decided that to achieve the objectives in *resolves* 1
and 2 of Resolution **609** **(WRC‑03)**, administrations operating or
planning to operate RNSS systems will need to agree cooperatively
through consultation meetings to achieve the level of protection for
ARNS systems, and shall establish mechanisms to ensure that all
potential RNSS system operators are given full visibility of the process
but that only real systems are taken into account in the calculation of
the aggregate epfd,

recommends

1 that in the implementation of *resolves* 5 of Resolution **609**
**(Rev.WRC‑07)**, in the frequency band 1 164-1 215 MHz, the maximum pfd
produced at the surface of the Earth by emissions from a space station
in the RNSS, for all angles of arrival, should not exceed
‑129 dB(W/m^2^) in any 1 MHz band under free space propagation
conditions;

2 that the RNSS characteristics listed in the Annex 1, used when
applying the methodology contained in Recommendation ITU‑R M.1642-1, as
well as the calculated aggregate epfd in dB(W/m^2^) in each 1 MHz in the
range 1 164-1 215 MHz, should be made available in electronic format by
the consultation meetings.

ANNEX 1 TO RECOMMENDATION 608 (Rev.WRC-07)

List of RNSS system characteristics and format of the result of the
aggregate\
epfd calculation to be provided to the Radiocommunication\
Bureau for publication for information

...

**Reasons:** Consequential change due to the incorporation by reference
of Recommendation ITU‑R M.1642-1.

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