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Ozone layer AO
Radar AR
Surface IAC/IAC FLEET AS

Upper air IAC AU
Weather Summary AW
Miscellaneous AX

FORECASTS

Aviation area ARFOR FA
Upper winds and temperatures WINTEMP FB
Aerodrome (VT< 12 hour) TAF FC

Radiological trajectory dose RADOF FD
Extended FE
Shipping IAC FLEET FF
Hydrological HYFOR FG

Upper air thickness FH
Iceberg FI
Radio warning service (including IUWDS data) FJ
Tropical cyclone advisories FK

Local/Area FL
Temperature extreme FM
Guidance FO
Public FP

Other shipping FQ
Aviation route ROFOR FR
Surface IAC/IAC FLEET FS

Aerodrome (VT > 12 hours) FT
Upper air IAC FU
Volcanic ash advisories FV
Winter sports FW
Miscellaneous FX

Shipping area MAFOR FZ