RECOMMENDATION ITU-R BS.706-2 … DATA SYSTEM IN MONOPHONIC AM SOUND BROADCASTING (AMDS)
ANNEX 1 … Requirements for an AM radio-data transmission system
1 Compatibility aspects
    1.1 Compatibility with the main programme
    1.2 Compatibility with other programmes in co- or adjacent channels
2 Reliability of data reception
3 Applications
ANNEX 2 … Specification of a data system for use in monophonic AM sound-broadcasting
ANNEX 3 … Information on operational and projected AM data systems (AMDS)
1 Baseband coding
    1.1 Structure of baseband coding
    1.2 Features of data transmission
    1.3 Error protection
    1.4 Block and Group synchronization
2 Data format
    2.1 Definitions relating to the data transmission
    2.2 Programme identification
3 Group types
    3.1 Usage of Groups
    3.2 Group sequences
4 Description of Groups
    4.1 Group type 0/Basic tuning and switching information BTI
    4.2 Group type 1/Radiotext RT
    4.3 Group type 2/Alternative frequencies AF
    4.4 Group type 3/Traffic message channel TMC
    4.5 Group type 4/In-house applications IH
    4.6 Group type 5/Transparent Data Channel TDC
    4.7 Group type 6/Scheduling Information SI
    4.8 Group type 7/Scheduling information supplementary SIS
    4.9 Group type 8/Additional tuning information ATI
    4.10 Group type 9/differential GPS-data dGPS
    4.11 Group type 10/TIME information UTC
5 Glossary of terms
6 Index of Tables
7 Index of Figures
8 Index of Formulas
APPENDIX A