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Migration to Table Driven Code Form (TDCF)


Reference: "WMO No. 386 - Manual on the GTS - Attachment II-5"
Table C6 - Data type designator A1 (when T1 = I)
Table C7 - Data type designator A1 (when T1 = K)

Migration Guidance Document

TAC TDCF DATA TYPE TAC Correspondance
BUFR CREX
T1T2 A1 T1T2 A2
IS A KS A Routinely scheduled observations for distribution from automatic (fixed or mobile) land stations (e.g. 0000, 0100,… or 0220, 0240, 0300, …, or 0715, 0745, ... UTC) ii=01-29 n/a
IS A KS A N-minute observations from automatic (fixed or mobile) land stations - ii=30-59 n/a
IS B KS B Radar reports (parts A and B) RADOB
IS C KS C Climatic observations from land stations ii = 01-45 CLIMAT
IS C KS C Climatic observations from marine stations ii = 46-59 CLIMAT SHIP
IS I KS I Intermediate synoptic observations from fixed land stations ii = 01-45 SYNOP (SIxx)
IS I KS I Intermediate synoptic observations from mobile land stations ii = 46-59 SYNOP MOBIL
IS M KS M Main synoptic observations from fixed land stations ii = 01-45 SYNOP
(SMxx)
IS M KS M Main synoptic observations from mobile land stations ii = 46-59 SYNOP MOBIL
IS N KS N Synoptic observations from fixed land stations at non-standard time (i.e. 01, 02, 04, 05, 07, 08, 10, 11, 13, ..,UTC) ii = 01–45 SYNOP (SNxx)
IS N KS N Synoptic observations from mobile land stations at non-standard time (i.e. 01, 02, 04, 05, 07, 08, 10, 11, 13, ..UTC) ii = 46-59 SYNOP MOBIL
IS R KS R Hydrologic reports HYDRA
IS S KS S Synoptic observations from marine stations ii = 01-19 SHIP
IS V KS V Special aeronautical observations (SPECI) SPECI
IS W KS W Aviation routine weather observations (METAR) METAR
IS X KS X Other surface data IAC, IAC FLEET
IU A KU A Single level aircraft reports (automatic) AMDAR
IU A KU A Single level aircraft reports (manual) AIREP/PIREP
IU D KU D Dropsonde/dropwindsondes TEMP DROP
IU J KU J Upper wind from fixed land stations (parts A, B, C and D ) ii = 01-19 PILOT
IU J KU J Upper wind from mobile land stations (parts A, B, C and D ) ii = 20-39 PILOT MOBIL
IU J KU J Upper wind from marine stations (part s A, B , C and D ) ii = 40-59 PILOT SHIP
IU K KU K Radio soundings from fixed land stations (parts A and B) ii = 01-19 TEMP
IU K KU K Radio soundings from mobile land stations (parts A and B) ii = 20-39 TEMP MOBIL
IU K KU K Radio soundings from marine stations (parts A and B) ii = 40-59 TEMP SHIP
IU O KU O Profiles of aircraft observations in ascending /descending AMDAR
IU Q KU Q RASS temperature profilers TEMP
IU S KU S Radiosondes/pibal reports from fixed land stations (parts A, B, C and D) ii = 01-19 TEMP
IU S KU S Radio soundings from mobile land stations (parts A, B, C and D ) ii = 20-39 TEMP MOBIL
IU S KU S Radio soundings from marine stations (parts A, B, C and D ii = 40-59 TEMP SHIP
IU T KU T (Satellite - derived sondes) SATEM
SARAD
SATOB
IU U KU U Monthly statistics of data from upper-air stations ii = 01-45 CLIMAT TEMP
IU U KU U Monthly statistics of data from marine stations ii = 46-59 CLIMAT TEMP
SHIP
IU W KU W Upper wind from fixed land stations (part s A and B) ii = 01-19 PILOT
IU W KU W Upper wind from mobile land stations (part s A and B) ii = 20-39 PILOT MOBIL
IU W KU W Upper wind from marine stations (part s A and B) ii = 40-59 PILOT SHIP

 

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