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Appendices | RS90S User Manual

2020 161.600 161.600 S TELEPHONE

2078 161.525 161.525 S TELEPHONE

2079 161.575 161.575 S TELEPHONE

Editorial note: The note numbering below is provisional and will be

aligned during ﬁnal preparations of the new edition of the Radio

Regulations.

Notes referring to the Table

General notes:

a) Administrations may designate frequencies in the inter-ship, port

operations and ship movement services for use by light aircraft

and helicopters to communicate with ships or participating coast

stations in predominantly maritime support operations under the

conditions speciﬁed in Nos. 51.69, 51.73, 51.74, 51.75, 51.76, 51.77

and 51.78. However, the use of the channels which are shared with

public correspondence shall be subject to prior agreement between

interested and aﬀected administrations.

b) The channels of the present Appendix, with the exception of

channels 06, 13, 15, 16, 17, 70, 75 and 76, may also be used for

high-speed data and facsimile transmissions,subject to special

arrangement between interested and aﬀected administrations.

c) The channels of the present Appendix, with the exception of

channels 06, 13, 15, 16, 17, 70, 75 and 76, may be used for direct-

printing telegraphy and data transmission, subject to special

arrangement between interested and aﬀected administrations.

( W R C-12)

d) The frequencies in this table may also be used for radio

communications on inland waterways in accordance with the

conditions speciﬁed in No.5.226.

e) Administrations may apply 12.5 kHz channel interleaving on a non-

interference basis to 25 kHz channels, in accordance with the most

recent version of Recommendation ITU-R M.1084,provided:

• it shall not aﬀect the 25 kHz channels of the present Appendix

maritime mobile distress and safety, automatic identiﬁcation

system (AIS), and data exchange frequencies, especially the

channels 06, 13, 15, 16, 17, 70, AIS 1 and AIS 2, nor the technical

characteristics set forth in Recommendation ITU-R M.489-2 for

those channels;

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