World Meteorological Centres (WMCs) and the Regional Telecommunication Hubs (RTHs)
Regional Specialized Meteorological Centres (RSMCs) not combined with RTHs
National Meteorological Centres (NMCs)
Responsibilities of MTCs for the transmission of Observational Data and Processed Information
Zone of responsibility: WMCs and (RTHs on the Main Telecommunication Network (MTN) shall maintain the Catalogue of Meteorological Bulletins as regards bulletins issued from the zone for which they are responsible for the collection, exchange and distribution of data, and also including data from the Antarctica, as appropriate.
RTH Focal points:
[ RTHs ] [RTHs zone of responsibility ] [ RTHs by country ]
Centres may contact the WMO Secretariat for additional information