Notation	Name	Description	Status
001	WMO block number		stable
002	WMO station number		stable
003	WMO Region number/geographical area		stable
004	WMO Region sub-area		stable
005	Buoy/platform identifier		stable
006	Aircraft flight number		stable
007	Satellite identifier		stable
008	Aircraft registration number or other identification		stable
009	Type of commercial aircraft		stable
010	Stationary buoy platform identifier; e.g. C-MAN buoys		stable
011	Ship or mobile land station identifier		stable
012	Direction of motion of moving observing platform		stable
013	Speed of motion of moving observing platform		stable
014	Platform drift speed (high precision)		stable
015	Station or site name		stable
018	Short station or site name		stable
019	Long station or site name		stable
020	WMO Region sub-area		stable
021	Synoptic feature identifier		stable
022	Name of feature		stable
023	Observation sequence number		stable
024	Wind speed source		stable
025	Storm identifier		stable
026	WMO storm name		stable
027	WMO long storm name		stable
028	Aerosol optical depth (AOD) source		stable
029	SSI source		stable
030	Numerical model identifier		stable
031	Identification of originating/generating centre		stable
032	Generating application		stable
033	Identification of originating/generating centre		stable
034	Identification of originating/generating sub-centre		stable
035	Originating centre		stable
036	Agency in charge of operating the observing platform		stable
037	SIGMET sequence identifier		stable
038	Source of sea ice fraction		stable
039	Graphical Area Forecast (GFA) sequence identifier		stable
040	Processing centre ID code		stable
041	Absolute platform velocity - first component		stable
042	Absolute platform velocity - second component		stable
043	Absolute platform velocity - third component		stable
050	Platform transmitter ID number		stable
051	Platform transmitter ID number		stable
052	Platform transmitter ID		stable
053	Tsunameter report sequence number triggered by a tsunami event		stable
060	Aircraft reporting point (Beacon identifier)		stable
062	Short ICAO location indicator		stable
063	ICAO location indicator		stable
064	Runway designator		stable
065	ICAO region identifier		stable
075	Tide station identification		stable
079	Unique identifier for the profile		stable
080	Ship line number according to SOOP		stable
081	Radiosonde serial number		stable
082	Radiosonde ascension number		stable
083	Radiosonde release number		stable
085	Observing platform manufacturer's model		stable
086	Observing platform manufacturer's serial number		stable
087	WMO marine observing platform extended identifier		stable
090	Technique for making up initial perturbations		stable
091	Ensemble member number		stable
092	Type of ensemble forecast		stable
093	Balloon lot number		stable
094	WBAN number		stable
095	Observer identification		stable
096	Station acquisition		stable
099	Unique product definition		stable
101	State identifier		stable
102	National station number		stable
103	IMO Number. Unique Lloyd's register		stable
110	Aircraft tail number		stable
111	Origination airport		stable
112	Destination airport		stable
113	Template version number defined by originating centre		stable
115	Identifier of the cruise or mission under which the data were collected		stable
124	Grid point identifier		stable
144	Snapshot identifier		stable