Policy on Intellectual Property Right (IPR)
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 Orthogonal frequency division multiplexing 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
A4-7 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