> > MEDS Character Format > June 1993 > > Master Record > > Field Field Starting Justify Field > Name Size Position Left Description Right > MKey char*08 01 L Sort Key > One_Deg_sq char*08 09 R MEDS geographic 1 degree square > Cruise_ID char*10 17 L Radio callsign + year for real time data, or NODC reference number for delayed mode data. > Obs_Year char*04 27 L Century and year of observation > Obs_Month char*02 31 L Month of Observation > Obs_Day char*02 33 L Day of Observation 01-31 > Obs_Time char*04 35 L Time of Observation > Data_Type char*02 39 L Instrument type or type of IGOSS radio message (Table 1) > Iumsgno char*12 41 R MEDS field - not used > Stream_Source char*01 53 L MEDS field - not used > Uflag char*01 54 L Record update field (Table 11) > MEDS_Sta char*08 55 R MEDS Station Number for realtime data, or cruise consec number for delayed mode data. > Latitude char*08 63 R Decimal degrees (+ = north, - = south) > Longitude char*09 71 R Decimal degrees (+ = west, - = east) > Q_Pos char*01 80 L Station Position Quality (Table 3) > Q_Date_Time char*01 81 L Date-Time Quality (Table 3) > Q_Record char*01 82 L Worst Quality flag in the station (Table 3) The ordering from highest to lowest quality flag is 1,2,3,5,4 > Up_Date char*08 83 L Date of last action on record > Bul_Time char*12 91 L Time bulletin was placed on GTS > Bul_Header char*06 103 L IGOSS message header > Source_ID char*04 109 L GTS node which placed message on the GTS. > Stream_Ident char*04 113 L Source and type of data (Table 4) > QC_Version char*04 117 L MEDS field - not used > Data_Avail char*01 121 L Data Availability (Table 5) > No_Prof char*02 122 R Number of Parameter profiles in station > Nparms char*02 124 R Number of Surface Parameter groups > Nsurfc char*02 126 R Number of Surface Codes groups > Num_Hists char*03 128 R Number of History groups > > > Profile Information; repeats No_prof (1-30) times > > No_Seg char*02 01 R Number of Profile Records in the profile > Prof_Type char*04 03 L Type of data in profile (GF3 Code) > Dup_flag char*01 07 L 'Y'indicates this station duplicates another of higher quality. > Digit_Code char*01 08 L Data Digitization method (Table 6) > Standard char*01 09 L Standards to which the observations were made (Table 7 > Deep_Depth char*05 10 R Depth (m) of the deepest observation in the profile. > > > Surface Parameter Group; repeats Nparms (0-30) times > > Pcode char*04 01 L Parameter - GF3 or User code. > Parm char*10 05 R Measured surface parameter value > Q_Parm char*01 15 L Parameter Quality (Table 3) > > Surface Codes Group; repeats Nsurfc (0-30) times > > SRFC_Code char*04 01 L Parameter - GF3 or User code. > SRFC_Parm char*10 05 L Surface code (Table 12) > SRFC_Q_Parm char*01 15 L Parameter Quality (Table 3) > > History Group; repeats Num_Hists (0-100) times > > Ident_Code char*02 01 L Organization which created the record (Table 8) > PRC_Code char*04 03 L Computer program which modified the station and created a history group (Table 13) > Version char*04 07 L Version of the above program > PRC_Date char*08 11 R Date of action (YYYYMM) > Act_Code char*02 19 L Action performed on parameter > (Table 9) > Act_Parm char*04 21 L Parameter code of changed parameter (GF3 code) > Aux_ID char*08 25 R Locator (e.g. depth) of changed parameter > Previous_Val char*10 33 R Value of parameter before change > Profile Record > > MKey char*08 01 L Sort Key > One_Deg_Sq char*08 09 R MEDS geographjic 1 degree square > Cruise_ID char*10 17 L Radio callsign + year for real time data, or NODC reference number for delayed mode. > Obs_Year char*04 27 L Century and year of observation > Obs_Month char*02 31 L Month of Observation > Obs_Day char*02 33 L Day of Observation 01-31 > Obs_time char*04 35 L Time of Observation > Data_Type char*02 39 L Instrument type or type of IGOSS > radio message (Table 1) > Iumsgno char*12 41 R MEDS field - not used > Profile_Type char*04 53 L Type of data in the profile (GF3 code) > Profile_Seg char*02 57 L Profile segment number of this record > No_Depths char*04 59 R Number of Depth/Pressure values in this record > D_P_Code char*01 63 L Depth/Pressure code (Table 10) > Parameter Group; occurs No_Depth (1-1500) times > > Depth_Press char*06 01 R Depth or Pressure value > Depres_Q char*01 07 L Depth/Pressure quality (Table 3) > Prof_Parm char*09 08 R Measured parameter value > Prof_Q_Parm char*01 17 L Data Quality (Table 3) > GTSPP CODE TABLES as of Feb 1 1994 TABLE 1 - DATA TYPE BA - BATHY (bathythermal reported realtime) TE - TESAC (temperature, salinity, & current reported realtime) CU - CTD up cast (delayed mode) CD - CTD down cast (delayed mode) CT - CTD up or down cast (delayed mode) BO - Bottle (delayed mode) XB - XBT (delayed mode) XS - XBT (selected depths, delayed mode) MB - MBT (5 meter interval, delayed mode) SM - MBT (originators depths) delayed mode TK - TRACKOB (marine surface observation along a ships track reported realtime) DB - DRIFTER (drifting buoy reported realtime) TR - THERMISTOR CHAIN (delayed mode) PF - PROFILING FLOAT (delayed mode) BF - Batfish, oblique CTD tows converted to vertical tows (delayed mode) TABLE 2 - GTSPP STATUS CODE 1 - Real time data 2 - Real time data with science QC 3 - Delayed mode data 4 - Delayed mode data with science QC TABLE 3 - DATA QUALITY CODES (from IGOSS) 0 - no quality control (QC) was performed on this element 1 - QC was performed; element appears to be correct 2 - QC was performed; element appears inconsistent with other elements. 3 - QC was performed; element appears to be doubtful 4 - QC was performed; element appears to be erroneous 5 - the value was changed as a result of QC 6 - reserved for future use 7 - reserved for future use 8 - reserved for future use 9 - the value of this element is missing TABLE 4 - STREAM_IDENT Bytes 1-2 show the data source center: ME - MEDS FN - FNOC NW - NWS SI - SIO CS - CSIRO AO - AOML NO - NODC GE - BSH JA - JMA AD - AODC TC - TSDC Bytes 3-4 show data type, as listed in Table 1. TABLE 5 - DATA AVAILABILITY A - Available P - Protected TABLE 6 - DIGITIZATION METHOD 0 - Unknown method 7 - Digitized at regular depths (e.g. every 5 meters) 8 - Digitized at profile inflexion points D - Digital data logger, unreduced TABLE 7 - OBSERVATION STANDARDS For Salinity 0 - No salinity measured 1 - In situ sensor, accuracy better than 0.02 (PSU) 2 - In situ sensor, accuracy less than 0.02 (PSU) 3 - Sample analysis (PSU) 4 - Unknown accuracy (PSU) 5 - In situ sensor, accurate to 0.001 (PSU) B - Accuracy is between 0.001 and 0.002 (PSU) C - Accuracy is between 0.002 and 0.005 (PSU) E - Accuracy is between 0.01 and 0.02 (PSU) F - Accuracy is between 0.02 and 0.05 (PSU) H - Accuracy is between 0.1 and 0.2 (PSU) I - Accuracy is greater than 0.2 (PSU) P - Practical salinity units (PSU) S - pre-1982 salinity units (PPT) U - unknown salinity units For Temperature 0 - No temperature measured 1 - In situ sensor, precision to 0.01 degrees C 2 - In situ sensor, precision to 0.1 degrees C 4 - unknown accuracy (degrees C) 5 - In situ sensor, accurate to 0.001 degrees C B - Accuracy is between 0.001 and 0.002 degrees C C - Accuracy is between 0.002 and 0.005 degrees C E - Accuracy is between 0.01 and 0.02 degrees C F - Accuracy is between 0.02 and 0.05 degrees C H - Accuracy is between 0.1 and 0.2 degrees C I - Accuracy is greater than 0.2 degrees C U - Unknown temperature units TABLE 8 - ORGANIZATION CODE AO - Atlantic Oceanographic & Meteorological Laboratory (U.S.) CS - Commonwealth Scientific & Industrial Research Organization (Australia) FN - Fleet Numerical Oceanography Center (U.S.) ME - Marine Environmental Data Service (Canada) NO - National Oceanographic Data Center (U.S.) NW - National Weather Service (U.S.) SI - Scripps Institution of Oceanography (U.S.) GE - Bundesamt fur Seeschiffahrt und Hydrographie (Germany) JA - Japan Meteorological Agency (Japan) TC - TOGA Subsurface Data Centre (France) TABLE 9 - PARAMETER ACTION CODE CF - Change a quality flag CR - Create record CV - Changed value DC - Station was checked by duplicate checking software ED - Set a parameter value IP - This history group operates on the complete input record QC - Quality Control SF - Set a flag SV - Set a value UP - Station passed through the update program TABLE 10 - DEPTH/PRESSURE CODE D - Independent parameter is Depth P - Independent parameter is Pressure TABLE 11 - RECORD UPDATE CODE U - Add this station to file during update D - Delete this station from the file R - Replace existing station with this one S - Skip this station during update TABLE 12 - Surface Codes and Surface Parameters SRFC_Code (Surface Codes Group) (GF3 or User code) QCP$ for "Performed" - MEDS QCF$ for "Fail" - MEDS QNP$ for "Performed" - NODC QNF$ for "Fail" - NODC The following codes apply to the Surface Codes Group: SFRC_Code Paramter Description Parm Units BCI$ Indicator for Method of WMO Code 2266 Current Measurement BMS$ BUFR SST Method Code BUFR Code element 0 02 038 CLDA Total Cloud Amount WMO Code 2700 CLDT Cloud Type WMO Code 0500 DBID NODC Database Identification NODC Code Number (Unique Identifier). GCLL Call Sign NODC Code GGCM Indicator for Method of WMO Code 2266 Current Measurement GNCR NODC Cruise Number. NODC Code GNOX Position 1 = OSV Flag. NODC Code Position 2 = Instrument Type. Position 3 = Probe Type. GOCR Originators Cruise Number. NODC Code GOCO Originators Consec Number. NODC Code ICEF Flag for Ice in vicinity of ICES Code Hydrographic Observation LDAT Load Date at NODC PEQ$ XBT Fall Rate Equation WMO Code 1770 Coefficients PFR$ Probe Type and Fall Rate WMO Code 1770 Equation Coefficients PLAT Platform NODC Code PRHB Probe Hit Bottom Indicator GF3 Code PRT$ XBT Probe Type WMO Code 1770 RCT$ XBT System Record Type WMO Code 4770 SEAS Sea State WMO Code 3700 STAT GTSPP STATUS Table 2 SYS$ XBT System Recorder NODC Table VSB# Horizontal Visibility WMO Code 4300 WFBS Wind Force on Beaufort Beaufort Code Scale WWCD Present Weather WMO Code 4677 WWC# Present Weather WMO Code 4501 ----------------- The following codes apply to the Surface Parameter Group: Pcode Parameter Description Parm Units (GF3 or User code) ATMS ATMOSPHERIC PRESSURE hectoPascals at Sea Level BATH Bathymetric Depth meters DEWT Dew Point Temperature degrees C DRYT Dry Bulb Temperature degrees C LNC$ XBT Launcher Height meters SCDT Direction to which Sea degrees Surface Current is flowing (relative to true North) SOU$ Bathymetric Depth meters SCSP Sea Surface Current Speed meters/second SSD$ Sea Surface Depth meters SSPS Sea Surface Practical ------- Salinity SSTP Sea Surface Temperature degrees C SSSL Sea Surface Salinity grams/kilogram (pre-1978 definition) parts/thousand SWHT Swell Height meters SWPR Swell Period seconds VEST Visual Average Wave Height meters VISB Horizontal Visibility meters VPER Visual Estimate of Wave seconds Period WDIR Direction from which wind degrees is blowing (relative to true North) WETT Wet Bulb Temperature degrees C WSPD Horizontal Wind Speed meters/seconds WSP# Horizontal Wind Speed knots INTS Incubation Time Start INTE Incubation Time End LOAN Local Apparent Noon CITW Civil Twilight Table 13 - PRC_Code BU01 MEDS software that reads IGOSS data in BUFR and convert to the ocean processing format. gced NODC Quality Control Software which checks that the space and time location as well as the identification of a station is sensible. gt01 NODC software to convert SEAS III XBT format to GTSPP format gt02 NODC software to convert TSDC1 XBT format to GTSPP format gt03 NODC software to convert SEAS II XBT format to GTSPP format gt04 NODC software to convert CEADO XBT format to GTSPP format gt05 NODC software to convert TSDC2 XBT format to GTSPP format gt06 NODC software to convert CSIRO XBT format to GTSPP format gt07 NODC software to convert NODC UBT format to GTSPP format gt08 NODC software to convert TAMU XBT (1-labelled fields) format to GTSPP format gt09 NODC software to convert TAMU XBT (2-columnar fields) format to GTSPP format gt11 NODC software to convert JODC XBT format to GTSPP format gt12 NODC software to convert AODC XBT format to GTSPP format gt13 NODC software to convert AODC XBT (2-RV Franklin) format to GTSPP format gt14 NODC software to convert NODC CTD/STD (F022) format to GTSPP format gt15 NODC software to convert TAMU CTD (1-labelled fields) format to GTSPP format gt19 NODC software to convert NODC Station (SD1) format to GTSPP format gt23 NODC software to convert CSIRO (Meds/ascii) format to GTSPP format IG02 The MEDS software that converts the real-time IGOSS data to the new ocean processing structure. QCA1 The quality control software which checks that the space and time location as well as the identification of a station is sensible. QCAD Delayed mode version of QCA1. qcPr NODC Quality Control software which checks ocean profiles. IGO3 The duplicates checking software. IGO4 The duplicates review software. IG05 The quality control software which checks ocean profiles. OCUP Update the Archive -- ----------------------------------------------------------------- Melanie Hamilton Data Processing Group Coastal Ocean Data Team (Leader) NOAA/NESDIS/NODC Email: mhamilton@nodc.noaa.gov SSMC-3, Station 4661 E/OC1 Voice: (301)713-3281 ext 123 1315 East West Highway, FAX : (301)713-3301 Silver Spring, Maryland 20910-3282 NODC home page: http://www.nodc.noaa.gov/ For GTSPP information: http://www.nodc.noaa.gov/GTSPP/gtspp-home.html ---------------------------------------------------------------------