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