Recommendation ITU-R M.2058-2
INTELLECTUAL PROPERTY RIGHTS
Annex 1 Operational characteristics
A1-1 Type of messages and
files
A1-2 Broadcast modes
A1-2.1 General broadcast
A1-2.2 Selective
broadcast
A1-2.3 Dedicated message
A1-3 Broadcast priority
Annex 2 System architecture
A2-1 The broadcast
transmission chain
A2-1.1 System of
information and management
A2-1.2 Shore network
A2-1.3 Shore transmitter
description
A2-1.4 Transmission
channel: radio coverage estimation
A2-1.5 Propagation
channel
Annex 3 NAVDAT HF technical characteristics
A3-1 Modulation principle
A3-1.1 Introduction
A3-1.2 Principle
A3-1.3 OFDM parameters
A3-1.4 Channel bandwidth
A3-1.5 Modulation
A3-1.6 Synchronization
A3-1.7 Energy dispersal
A3-1.8 Transmission mask
of RF signal
A3-1.9 Sequence for
receiving scanning possibility
A3-2 Estimated usable data
rate
A3-3 NAVDAT HF transmitter
performance specification
A3-4 NAVDAT ship receiver
A3-4.1 NAVDAT ship
receiver description
A3-5 Minimum NAVDAT ship
receiver performance specifications
Annex 4 Transmission structure
A4-1 Frame structure
A4-2 Synchronization head
A4-3 Modulation information
stream
A4-3.1 Structure
A4-3.2 Encoding
A4-4 Transmitter information
stream
A4-4.1 Structure
A4-4.2 Encoding
A4-4.3 Position
A4-5 Data stream
A4-5.1 Structure
A4-5.2 Encoding
A4-6 Low-density parity-check
codes
A4-6.1 Code shortening
and puncturing
A4-6.2 LDPC of mode A
A4-6.3 LDPC of Mode B
A4-6.4 LDPC of Mode C
A4-7 Cyclic redundancy check
Annex 5 Message file structure
Annex 6 Single frequency network mode of Digital Radio Mondiale
A6-1 Explanation of Digital
Radio Mondiale
A6-1.1 Single frequency
network operating mode
Annex 7 Frequencies for NAVDAT HF system
Annex 8 NAVDAT subject message codes