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Appendices | RS90S User Manual
The frequency bands 157.025-157.175 MHz and 161.625-161.775
MHz (corresponding to channels: 80, 21, 81, 22, 82, 23 and 83) can
also be used for analogue modulation described in the most recent
version of Recommendation ITU-R M.1084 by an administration
that wishes to do so, subject to not claiming protection from other
stations in the maritime mobile service using digitally modulated
emissions and subject to coordination with affected administrations.
(WRC-15)
zx) In the United States, these channels are used for communication
between ship stations and coast stations for the purpose of public
correspondence. (WRC-15)
zz) From 1 January 2019, channels 1027, 1028, 87 and 88 are used as
single-frequency analogue channels for port operation and ship
movement. (WRC-15)
Source: ITU Radio Regulations (2016); reproduced with permission from ITU