Policy on Intellectual Property Right (IPR)
Annex 1
Technical characteristics for equipment designed to operate in channels spaced by 12.5 kHz
Annex 2
Migration to narrow-band channels in the maritime mobile service
 1     Introduction
 2     Implications of migration to narrow-band channels
        2.1     Migration
        2.2     Interleaving
                  2.2.1     Interleaving with 25 kHz channels
                  2.2.2     Interleaving with 12.5 kHz channels
                  2.2.3     Interleaving with 25 kHz and 12.5 kHz channels
 3     Interference
 4     Conclusions
Annex  3
An example method for implementing interleaved narrow-band channels at 12.5 kHz offset spacing
 1     Receiver performance
 2     Transmitter performance
        2.9     For transmitters with DSC and C4FM capability
Annex 4
Assignment of channel numbers to interleaved channels and simplex operation of duplex channels in the VHF maritime band