Document ID: chunk:federal_register_of_legislation:F2021L00617:reg:162a:p42
Version: federal_register_of_legislation:F2021L00617
Segment Type: reg
Provision Reference: reg 162A (pt 42/144)
Character Range: 389759–392634

amateur service shall not be used in the above-mentioned countries in this frequency band, and this should be taken into account by the countries authorising such use.

    82 In the maritime mobile service, the frequency 490 kHz is to be used exclusively for the transmission by coast stations of navigational and meteorological warnings and urgent information to ships, by means of narrow-band direct-printing telegraphy. The conditions for use of the frequency 490 kHz are prescribed in Articles 31 and 52. In using the band 415–495 kHz for the aeronautical radionavigation service, administrations are requested to ensure that no harmful interference is caused to the frequency 490 kHz. In using the frequency band 472–479 kHz for the amateur service, administrations shall ensure that no harmful interference is caused to the frequency 490 kHz.     (WRC-12)

    82C The frequency band 495–505 kHz is used for the international NAVDAT system as described in the most recent version of Recommendation ITU-R M.2010. NAVDAT transmitting stations are limited to coast stations.     (WRC-19)

    84 The conditions for the use of the frequency 518 kHz by the maritime mobile service are prescribed in Articles 31 and 52     (WRC-07)

    86 In Region 2, in the band 525–535 kHz the carrier power of broadcasting stations shall not exceed 1 kW during the day and 250 W at night.

    87 Additional allocation:  in Angola, Botswana, Eswatini, Lesotho, Malawi, Mozambique, Namibia and Niger, the frequency band 526.5–535 kHz is also allocated to the mobile service on a secondary basis.     (WRC-19)

    87A Additional allocation:  in Uzbekistan, the band 526.5–1 606.5 kHz is also allocated to the radionavigation service on a primary basis. Such use is subject to agreement obtained under No. 9.21 with administrations concerned and limited to ground-based radiobeacons in operation on 27 October 1997 until the end of their lifetime.     (WRC-97)

    88 Additional allocation:  in China, the band 526.5–535 kHz is also allocated to the aeronautical radionavigation service on a secondary basis.

    89 In Region 2, the use of the band 1 605–1 705 kHz by stations of the broadcasting service is subject to the Plan established by the Regional Administrative Radio Conference (Rio de Janeiro, 1988).

    The examination of frequency assignments to stations of the fixed and mobile services in the band 1 625–1 705 kHz shall take account of the allotments appearing in the Plan established by the Regional Administrative Radio Conference (Rio de Janeiro, 1988).

    90 In the band 1 605–1 705 kHz, in cases where a broadcasting station of Region 2 is concerned, the service area of the maritime mobile stations in Region 1 shall be limited to that provided by ground-wave propagation.

    91 Additional allocation:  in the Philippines and Sri Lanka, the band 1 606.5–1 705