1. RTH Beijing routeing catalogue
                                                                          
The RTH Beijing routeing catalogue is available on the NMIC web site. The URL is: 

http://wisportal.cma.gov.cn/routeing-catalogue

The routeing catalogue will be updated monthly. 

2. Format for routeing catalogue

The RTH Beijing routeing catalogue is created in the WMO specified format. Each record contains the following fields.

Field No.  Width        Content            
1          11           Abbreviated heading TTAAii CCCC
2          4            GTS circuit from which the bulletin is received
3-         4 per field  GTS circuit to which the bulletin is sent
 
Sample structure:                                                               
                                                                                
"SMCI01 BABJ","BABJ","EDZW","RJTD","RUMS","RKSL","MNUB","DKPY","VNNN","VTBB" 
"SMCI02 BABJ","BABJ","EDZW","RJTD","RUMS","RKSL","MNUB","DKPY","VNNN","VTBB" 
"SMCI03 BABJ","BABJ","EDZW","RJTD","RUMS","RKSL","MNUB","DKPY","VNNN","VTBB" 

3. CCCC definitions

BABJ - Beijing, China
DKPY - Pyongyang, Democratic People's Republic of Korea
EDZW - Offenbach, Germany
MNUB - Ulan Bator, Mongolia
RJTD - Tokyo, Japan
RKSL - Seoul, Republic of Korea
RUMS - Moscow, Russian Federation
VNNN - Hanoi, Vietnam
VTBB - Bangkok, Thailand