GLobal Administration Data System (GLAD)

GLAD is an online data retrieval-system and a central repository of ITU-R common information concerning administrations and geographical areas as well as means of identification, such as call signs, maritime identification digits and other identificators. Information retrievable on this WEB service is given below:

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• List of all geographical area designations
• List of ITU Member States​
• List of symbols designating certain International Organisations
• List of special regional designations
• List of symbols indicating a special administrative status

• Table of International Call Sign Series (Appendix 42 to the RR)
• Table of Maritime Identification Digits (MIDs)
• Table of coast station identification numbers
• Table of ship station selective call numbers
• Table of selective call numbers for predetermined groups of ship stations
• Summary of allocations
• Recent Changes

• ​Tables No. 12A/12B of the Preface to the BR IFIC, IFL and SRS

• ​For queries and/or comments please contact: brfmd@itu.int
• Concerning Tables 12A/12B please contact: brmail@itu.int