Regional Telecommunication Hubs (RTHs)

Regional Telecommunication Hubs (RTHs)

Regional Telecommunication Hubs (RTHs) ensure the efficient routeing and distribution of the TWS messages towards NMCs. For more details, please see here.

RA I

Alger (Algeria)*
Brazzaville (Congo)
Cairo (Egypt)*
Dakar (Senegal)*
Lusaka (Zambia)
Nairobi (Kenya)*
Niamey (Niger)
Pretoria (South Africa)

RA II

Bangkok (Thailand)
Beijing (China)*
Jeddah (Saudi Arabia)*
Khabarovsk (Russian Federation)
New Delhi (India)*
Novosibirsk (Russian Federation)
Tashkent (Uzbekistan)
Tehran (Iran)
Tokyo (Japan)*

* RTHs on MTN

RA III

Brasilia (Brazil)*
Buenos Aires (Argentina)*
Maracay (Venezuela)

RA IV

Washington (USA)*

RA V

Melbourne (Australia)*
Wellington (New Zealand)

RA VI

Exeter (UK)*
Moscow (Russian Federation)*
Norrköping (Sweden)
Offenbach (Germany)*
Prague (Czech Republic)*
Rome (Italy)
Sofia (Bulgaria)*
Toulouse (France)*
Vienna (Austria)

Global Information System Centres (GISCs)

The regional and global connectivity of the WIS structure is guaranteed by the existence of a small number of node centres called Global Information System Centres (GISC). For more details, please see here.