Sequence Number
Type of Msg
Admin
METAR
SPECI
SYNOP 00 06 12 18 UTC
SYNOP 03 09 15 21 UTC
SYNOP SPL OBSN
TAF FT 30 HRS TAF
TAF FC 9 HRS TAF
PPAA
PPBB
PPCC
PPDD
TTAA
TTBB
TTCC
TTDD
LATE SYNOP
R/F DATA PUNE/DELHI
LATE METAR
U/A MISDA
ADMIN MULTIPLE DESTINATION
MC INF
REGN INF
SYNOP WITH TEXT
RAREP
SEISMIC MESSAGE
WMO Header
COR
Message
Disclaimer
Stations which do not have four letter ICAO code may use the ICAO station name of the respective MC. Kindly maintain a log of time of transmission and sequence number for each message. Details of transmitted messages is available for six months.