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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 9 to Document 43-E**

                                                   **3 September 2007**

                                                   **Original: English**

  African Telecommunications Union Administrations 

  AFRICAN COMMON Proposals for\                    
  the work of the Conference                       

  Agenda item 1.15                                 
  ------------------------------------------------ ----------------------------------------------------

1.15 to consider a secondary allocation to the amateur service in the
frequency band 135.7-137.8 kHz

**Introduction**

The African administrations support a secondary allocation to the
amateur service in the frequency band 135.7‑137.8 kHz.

ARTICLE 5

Frequency allocations

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

**MOD** AFCP/43A9/1

110-255 kHz

+----------------------+----------------------+---+----------------------+
| Allocation to        |                      |   |                      |
| services             |                      |   |                      |
+----------------------+----------------------+---+----------------------+
| Region 1             | Region 2             | R |                      |
|                      |                      | e |                      |
|                      |                      | g |                      |
|                      |                      | i |                      |
|                      |                      | o |                      |
|                      |                      | n |                      |
|                      |                      | 3 |                      |
+----------------------+----------------------+---+----------------------+
| > **130-135.7**      | > **130-135.7**      |   | > **130-135.7**      |
| >                    | >                    |   | >                    |
| > FIXED              | > FIXED              |   | > FIXED              |
| >                    | >                    |   | >                    |
| > MARITIME MOBILE    | > MARITIME MOBILE    |   | > MARITIME MOBILE    |
| >                    | >                    |   | >                    |
| > 5.64 5.67          | > 5.64               |   | > RADIONAVIGATION    |
|                      |                      |   | >                    |
|                      |                      |   | > 5.64               |
+----------------------+----------------------+---+----------------------+
| > **135.7-137.8**    | > **135.7-137.8**    |   | > **135.7-137.8**    |
| >                    | >                    |   | >                    |
| > FIXED              | > FIXED              |   | > FIXED              |
| >                    | >                    |   | >                    |
| > MARITIME MOBILE    | > MARITIME MOBILE    |   | > MARITIME MOBILE    |
| >                    | >                    |   | >                    |
| > Amateur ADD 5.A15  | > Amateur ADD 5.A15  |   | > RADIONAVIGATION    |
| >                    | >                    |   | >                    |
| > 5.64 5.67          | > 5.64               |   | > Amateur ADD 5.A15  |
|                      |                      |   | >                    |
|                      |                      |   | > 5.64               |
+----------------------+----------------------+---+----------------------+
| > **137.8-148.5**    | > **137.8-160**      |   | > **137.8-160**      |
| >                    | >                    |   | >                    |
| > FIXED              | > FIXED              |   | > FIXED              |
| >                    | >                    |   | >                    |
| > MARITIME MOBILE    | > MARITIME MOBILE    |   | > MARITIME MOBILE    |
| >                    |                      |   | >                    |
| > 5.64 5.67          |                      |   | > RADIONAVIGATION    |
+----------------------+----------------------+---+----------------------+
| > \...               | > 5.64               |   | > 5.64               |
+----------------------+----------------------+---+----------------------+

**ADD** AFCP/43A9/2

**5.A15** Stations in the amateur service using frequencies in the band
135.7-137.8 kHz shall not exceed a maximum radiated power of 1 W
(e.i.r.p.) and shall not cause harmful interference to stations of the
radionavigation service operating in countries listed in No. **5.67**.

**Reasons:** ITU‑R studies have shown that the radiation efficiency is
typically less than 1% from practical antennas at typical amateur
stations, resulting, in practice, in an e.i.r.p. of about 1 W. Reception
over long paths has been demonstrated using receiving systems employing
long integration times. A secondary allocation would provide
opportunities for radio amateurs to contribute to the development of
radiocommunication techniques and practices. Furthermore, no cases of
interference to other services from amateur service operations in the
frequency band 135.7-137.8 kHz have been reported.

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