Oceanographic Station Data (SD2)
PARAMETER | DESCRIPTION | STARTING COLUMN | FIELD LENGTH
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MASTER RECORD 1
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CONTINUATION INDICATOR | ONE-DIGIT CODE - INDICATES IF STATION RECORDED ON MULTIPLE PHYSICAL RECORDS (0 = ONLY ONE RECORD FOR STATION; 1 = FIRST RECORD OF STATION; 9 = LAST RECORD OF STATION; 2-8 = INTERMEDIATE RECORDS) | 1 | 1
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BLANK | ONE BLANK | 2 | 1
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NODC REFERENCE NUMBER-
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COUNTRY | TWO-CHARACTER NODC COUNTRY CODE | 3 | 2
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FILE CODE | ALWAYS '5' | 5 | 1
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CRUISE | XXXX - NODC CRUISE NUMBER | 6 | 4
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CONSEC | XXXX - NODC CONSECUTIVE STATION NUMBER | 10 | 4
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DATA TYPE | TWO-DIGIT CODE - (19 = NANSEN CAST, 22 = NODC SELECTED DEPTHS FROM CTD/STD, 62 = ORIGINATOR SELECTED DEPTHS FROM CTD/STD) | 14 | 2
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BLANK | TWO BLANKS | 16 | 2
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TEN-DEGREE SQUARE | FOUR-DIGIT CODE - WMO TEN-DEGREE SQUARE NUMBER | 18 | 4
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ONE-DEGREE SQUARE | TWO-DIGIT CODE - WMO ONE-DEGREE SQUARE NUMBER | 22 | 2
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TWO-DEGREE SQUARE | TWO-DIGIT CODE - WMO TWO-DEGREE SQUARE NUMBER | 24 | 2
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FIVE-DEGREE SQUARE | ONE-DIGIT CODE - WMO FIVE-DEGREE SQUARE NUMBER | 26 | 1
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LATITUDE HEMISPHERE | ONE-CHARACTER CODE - 'N' OR 'S' | 27 | 1
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LATITUDE | DDMMX (DEGREES, MINUTES TO TENTHS) | 28 | 5
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LONGITUDE HEMISPHERE | ONE-CHARACTER CODE - 'E' OR 'W' | 33 | 1
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LONGITUDE | DDDMMX (DEGREES, MINUTES TO TENTHS) | 34 | 6
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QUARTER OF ONE-DEGREE SQUARE | ONE-DIGIT CODE - WMO 'QUARTER DEGREE' SQUARE NUMBER (= 1, 2, 3, OR 4; 9 = NOT RECORDED) | 40 | 1
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DATE (GMT) | YYMMDD - YEAR, MONTH, DAY | 41 | 6
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TIME (GMT) | XXX (HOURS TO TENTHS) | 47 | 3
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PLATFORM | TWO-CHARACTER NODC PLATFORM CODE | 50 | 2
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BLANK | FOUR BLANKS | 52 | 4
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BOTTOM DEPTH | XXXXX (WHOLE METERS) | 56 | 5
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EFFECTIVE DEPTH | XXXX - DEPTH OF DEEPEST COMPUTED SOUND SPEED, I.E., DEEPEST OBSERVED DEPTH AT WHICH BOTH TEMPERATURE AND SALINITY ARE REPORTED WITH NO QUALITY FLAGS (WHOLE METERS) | 61 | 4
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CAST DURATION | XXX - TOTAL ELAPSED TIME FOR CTD/STD CAST (HOURS TO TENTHS) | 65 | 3
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CAST DIRECTION | ONE-CHARACTER CODE - (U = UP, D = DOWN, A = AVERAGE OF UP AND DOWN CASTS, OR BLANK) | 68 | 1
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SALINITY METHOD | ONE-CHARACTER CODE - ('P' = PRACTICAL SALINITY, 'S' = SALINITY, BLANK = NOT SPECIFIED) | 69 | 1
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DATA USE CODE | ONE-DIGIT CODE - NODC INTERNAL USE ONLY | 70 | 1
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MINIMUM DEPTH | ONE-DIGIT CODE - FIRST OBSERVED DEPTH WITH VALID DEPTH, TEMPERATURE, AND SALINITY (WHOLE METERS) | 71 | 4
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MAXIMUM DEPTH | XXXX - DEEPEST OBSERVED DEPTH WITH ANY VALID PARAMETER (WHOLE METERS) | 75 | 4
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NEXT RECORD TYPE | ALWAYS '2' | 79 | 1
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PRESENT RECORD TYPE | ALWAYS '1' | 80 | 1
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PARAMETER | DESCRIPTION | STARTING COLUMN | FIELD LENGTH
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MASTER RECORD 2
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DEPTH DIFFERENCE | XXXX - BOTTOM DEPTH MINUS MAXIMUM DEPTH (WHOLE METERS) | 1 | 4
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SAMPLE INTERVAL | XX - VERTICAL SAMPLE SPACING (EFFECTIVE DEPTH DIVIDED BY NUMBER OF VALID OBSERVED DEPTH LEVELS, TO NEAREST TENS OF METERS, E.G., 01 = 10 METERS) | 5 | 2
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PERCENT SALINITY OBSERVED | ONE-CHARACTER CODE - INDICATES PERCENT OF OBSERVED DEPTH LEVELS AT WHICH SALINITY REPORTED (0 = 1 TO 9 PERCENT, ... , 9 = 90 TO 99 PERCENT, - = PARAMETER NOT RECORDED) | 7 | 1
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PERCENT OXYGEN OBSERVED | ONE-CHARACTER CODE - INDICATES PERCENT OF OBSERVED DEPTH LEVELS AT WHICH DISSOLVED OXYGEN REPORTED | 8 | 1
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PERCENT PHOSPHATE OBSERVED | ONE-CHARACTER CODE - INDICATES PERCENT OF OBSERVED DEPTH LEVELS AT WHICH PHOSPHATE REPORTED | 9 | 1
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PERCENT TOTAL PHOSPHORUS OBSERVED | ONE-CHARACTER CODE - INDICATES PERCENT OF OBSERVED DEPTH LEVELS AT WHICH TOTAL PHOSPHORUS REPORTED | 10 | 1
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PERCENT SILICATE OBSERVED | ONE-CHARACTER CODE - INDICATES PERCENT OF OBSERVED DEPTH LEVELS AT WHICH SILICATE REPORTED | 11 | 1
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PERCENT NITRITE OBSERVED | ONE-CHARACTER CODE - INDICATES PERCENT OF OBSERVED DEPTH LEVELS AT WHICH NITRITE REPORTED | 12 | 1
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PERCENT NITRATE OBSERVED | ONE-CHARACTER CODE - INDICATES PERCENT OF OBSERVED DEPTH LEVELS AT WHICH NITRATE REPORTED | 13 | 1
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PERCENT PH OBSERVED | ONE-CHARACTER CODE - INDICATES PERCENT OF OBSERVED DEPTH LEVELS AT WHICH PH REPORTED | 14 | 1
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ORIGINATOR'S CRUISE ID | THREE CHARACTERS - ORIGINATOR'S CRUISE IDENTIFIER | 15 | 3
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ORIGINATOR'S STATION ID | NINE CHARACTERS - ORIGINATOR'S STATION IDENTIFIER | 18 | 9
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WATER COLOR | TWO-DIGIT CODE - FOREL-ULE SCALE (00-21) | 27 | 2
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WATER TRANSPARENCY | XX - SECCHI DISK DEPTH (WHOLE METERS) | 29 | 2
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WAVE DIRECTION | TWO-DIGIT CODE - USE NODC CODE 0110 (WMO 0885) | 31 | 2
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WAVE HEIGHT | ONE-DIGIT CODE - USE NODC CODE 0104 (WMO 1555) (BLANK IF SEA STATE PRESENT) | 33 | 1
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SEA STATE | ONE-DIGIT CODE - USE NODC CODE 0109 (WMO 3700) (BLANK IF WAVE HEIGHT PRESENT) | 34 | 1
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WIND FORCE | TWO-DIGIT CODE - BEAUFORT SCALE - USE NODC CODE 0052 (BLANK IF WIND SPEED PRESENT) | 35 | 2
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FILE UPDATE CODE | ONE-DIGIT CODE - NODC INTERNAL USE ONLY | 37 | 1
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WAVE PERIOD | ONE-DIGIT CODE - USE NODC CODE 0378 (WMO 3155) (BLANK IF SEA STATE PRESENT) | 38 | 1
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WIND DIRECTION | TWO-DIGIT CODE - USE NODC CODE 0110 (WMO 0877) | 39 | 2
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WIND SPEED | XX - (KNOTS; BLANK IF WIND FORCE PRESENT) | 41 | 2
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BAROMETRIC PRESSURE | XXXXX (MILLIBARS TO TENTHS) | 43 | 5
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DRY BULB TEMPERATURE | XXXX (DEG C IN WHOLE DEGREES OR TO TENTHS; NEGATIVE VALUE PRECEDED BY MINUS SIGN) | 48 | 4
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DRY BULB TEMPERATURE PRECISION | ONE-DIGIT CODE - (0 = WHOLE DEGREES, 1=TENTHS OF DEGREE, 9 = BLANK) | 52 | 1
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WET BULB TEMPERATURE | XXXX (DEG C IN WHOLE DEGREES OR TO TENTHS; NEGATIVE VALUE PRECEDED BY MINUS SIGN) | 53 | 4
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WET BULB TEMPERATURE PRECISION | ONE-DIGIT CODE - (0 = WHOLE DEGREES, 1=TENTHS OF DEGREE, 9 = BLANK) | 57 | 1
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WEATHER | ONE- OR TWO-DIGIT CODE - USE NODC CODE 0108 (WMO 4501) OR NODC CODE 0159 (WMO 4677) | 58 | 2
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CLOUD TYPE | ONE-DIGIT CODE - USE NODC CODE 0053 (WMO 0500) | 60 | 1
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CLOUD AMOUNT | ONE-DIGIT CODE - USE NODC CODE 0105 (WMO 2700) | 61 | 1
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COUNT OF OBSERVED DEPTHS | XXX - NUMBER OF OBSERVED DEPTH LEVELS | 62 | 3
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COUNT OF STANDARD DEPTHS | XX - NUMBER OF STANDARD DEPTH LEVELS (MAXIMUM = 34) | 65 | 2
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COUNT OF DETAIL DEPTHS | XXX - NUMBER OF DETAIL DEPTHS (TOTAL OF OBSERVED DEPTHS PLUS STANDARD DEPTHS) | 67 | 3
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BLANK | NINE BLANKS | 70 | 9
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NEXT RECORD INDICATOR | EITHER '3', '4', '6', OR '7' | 79 | 1
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PRESENT RECORD INDICATOR | ALWAYS '2' | 80 | 1
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PARAMETER | DESCRIPTION | STARTING COLUMN | FIELD LENGTH
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OBSERVED DEPTH DETAIL RECORD
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OBSERVED DEPTH | XXXXX (WHOLE METERS) | 1 | 5
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DEPTH QUALITY INDICATOR | ONE-DIGIT CODE - USE NODC CODE 0608 | 6 | 1
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THERMOMETRIC DEPTH FLAG | ONE-CHARACTER CODE - 'T' INDICATES DEPTH IS THERMOMETRICALLY DETERMINED | 7 | 1
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TEMPERATURE | XXXXX (DEG C; NEGATIVE VALUE PRECEDED BY MINUS SIGN) | 8 | 5
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TEMPERATURE PRECISION | ONE-DIGIT CODE - (1, 2, 3 = NUMBER OF DIGITS RIGHT OF DECIMAL POINT; 9 = BLANK) | 13 | 1
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TEMPERATURE QUALITY INDICATOR | ONE-DIGIT CODE - USE NODC CODE 0608 | 14 | 1
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SALINITY | XXXXX (PARTS PER THOUSAND OR PRACTICAL SALINITY UNITS) | 15 | 5
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SALINITY PRECISION | ONE-DIGIT CODE - (1, 2, 3 = NUMBER OF DIGITS RIGHT OF DECIMAL POINT; 9 = BLANK) | 20 | 1
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SALINITY QUALITY INDICATOR | ONE-DIGIT CODE - USE NODC CODE 0608 | 21 | 1
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SIGMA-T | XXXX (DIMENSIONLESS TO HUNDREDTHS) | 22 | 4
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SIGMA-T QUALITY INDICATOR | ONE-DIGIT CODE - ( 8 = SIGMA-T QUESTIONABLE; 9 = BLANK) | 26 | 1
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SOUND SPEED | XXXXX (METERS/SECOND TO TENTHS) | 27 | 5
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SOUND SPEED PRECISION | ONE-DIGIT CODE - (1 = NUMBER OF DIGITS RIGHT OF DECIMAL POINT; 9 = BLANK) | 32 | 1
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OXYGEN | XXXX (MILLILITERS/LITER) | 33 | 4
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OXYGEN PRECISION | ONE-DIGIT CODE - (1, 2 = NUMBER OF DIGITS RIGHT OF DECIMAL POINT; 9 = BLANK) | 37 | 1
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OXYGEN QUALITY INDICATOR | ONE-DIGIT CODE - USE NODC CODE 0608 | 38 | 1
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DATA RANGE CHECK FLAGS | ONE-DIGIT CODE - FOR FOLLOWING SIX CONDITIONS 0 = DATA IN RANGE 1 = DATA OUT OF RANGE
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| PHOSPHATE > 4.00 | 39 | 1
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| TOTAL PHOSPHORUS < PHOSPHATE | 40 | 1
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| SILICATE > 300.00 | 41 | 1
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| NITRITE > 4.0 | 42 | 1
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| NITRATE > 45.0 | 43 | 1
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| PH < 7.40 OR > 8.50 | 44 | 1
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CAST START TIME OR MESSENGER RELEASE TIME | XXX (HOURS TO TENTHS) | 45 | 3
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CAST NUMBER | X (BLANK, OR 1-9) | 48 | 1
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INORGANIC PHOSPHATE | XXXX (MICROGRAM-ATOMS/LITER) | 49 | 4
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INORGANIC PHOSPHATE PRECISION | ONE-DIGIT CODE - (0, 1, 2 = NUMBER OF DIGITS RIGHT OF DECIMAL POINT; 4 = TRACE, VALUE < 0.01; 5 = EXCEEDS, VALUE > 99.99; 9 = BLANK) | 53 | 1
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TOTAL PHOSPHORUS | XXXX (MICROGRAM-ATOMS/LITER) | 54 | 4
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TOTAL PHOSPHORUS PRECISION | ONE-DIGIT CODE - (0,1,2 = NUMBER OF DIGITS RIGHT OF DECIMAL POINT; 4 = TRACE, VALUE < 0.01; 5 = EXCEEDS, VALUE > 99.99; 9 = BLANK) | 58 | 1
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SILICATE | XXXX (MICROGRAM-ATOMS/LITER) | 59 | 4
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SILICATE PRECISION | ONE-DIGIT CODE - (0,1 = NUMBER OF DIGITS RIGHT OF DECIMAL POINT; 4 = TRACE, VALUE < 0.1; 5 = EXCEEDS, VALUE > 999.9; 9 = BLANK) | 63 | 1
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NITRITE | XXX (MICROGRAM-ATOMS/LITER) | 64 | 3
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NITRITE PRECISION | ONE-DIGIT CODE - (0, 1, 2 = NUMBER OF DIGITS RIGHT OF DECIMAL POINT; 4 = TRACE, VALUE < 0.01; 5 = EXCEEDS, VALUE > 9.99; 9 = BLANK) | 67 | 1
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NITRATE | XXX (MICROGRAM-ATOMS/LITER) | 68 | 3
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NITRATE PRECISION | ONE-DIGIT CODE - (0, 1 = NUMBER OF DIGITS RIGHT OF DECIMAL POINT; 4 = TRACE, VALUE < 0.1; 5 = EXCEEDS, VALUE > 99.9; 9 = BLANK) | 71 | 1
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PH | XXX (DIMENSIONLESS TO HUNDREDTHS) | 72 | 3
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PH PRECISION | ONE-DIGIT CODE - (0, 1, 2 = NUMBER OF DIGITS RIGHT OF DECIMAL POINT; 4 = TRACE, VALUE < 0.01; 5 = EXCEEDS; VALUE > 9.99; 9 = BLANK | 75 | 1
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BLANK | TWO BLANKS | 76 | 2
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DENSITY INVERSION FLAG | ONE-DIGIT CODE - (1=SIGMA-T DECREASE GREATER THAN 0.02; OTHERWISE = 0) | 78 | 1
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NEXT RECORD TYPE | EITHER '1', '3', '4', '6', OR '7' | 79 | 1
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PRESENT RECORD TYPE | '3' OR '4' (3=OBSERVED DEPTH DATA FROM FIELD MEASUREMENTS; 4 = INTERPOLATED VALUES USED AS MEASUREMENTS; 4 = INTERPOLATED VALUES USED AS OBSERVED VALUES FOR COMPUTATIONAL PURPOSES WHEN ORIGINAL OBSERVED VALUES MISSING) | 80 | 1
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PARAMETER | DESCRIPTION | STARTING COLUMN | FIELD LENGTH
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STANDARD DEPTH DETAIL RECORD
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DEPTH | XXXXX (WHOLE METERS) | 1 | 5
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BLANK | TWO BLANKS | 6 | 2
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TEMPERATURE | XXXX (DEG C) | 8 | 4
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BLANK | ONE BLANK | 12 | 1
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TEMPERATURE PRECISION | ONE-DIGIT CODE - (2=NUMBER OF DIGITS RIGHT OF DECIMAL POINT; 9 = BLANK) | 13 | 1
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BLANK | ONE BLANK | 14 | 1
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SALINITY | XXXX (PARTS PER THOUSAND OR PRACTICAL SALINITY UNITS) | 15 | 4
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BLANK | ONE BLANK | 19 | 1
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SALINITY PRECISION | ONE-DIGIT CODE - (2 = NUMBER OF DIGITS RIGHT OF DECIMAL POINT; 9 = BLANK) | 20 | 1
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BLANK | ONE BLANK | 21 | 1
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SIGMA-T | XXXX (DIMENSIONLESS TO HUNDREDTHS) | 22 | 4
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SIGMA-T INDICATOR | ONE-DIGIT CODE - ( 9 = BLANK) | 26 | 1
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SOUND SPEED | XXXXX (METERS/SECOND) | 27 | 5
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SOUND SPEED PRECISION | ONE-DIGIT CODE - (1 = NUMBER OF DIGITS RIGHT OF DECIMAL POINT; 9 = BLANK) | 32 | 1
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OXYGEN | XXXX (MILLILITERS/LITER) | 33 | 4
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OXYGEN PRECISION | ONE-DIGIT CODE - (2 = NUMBER OF DIGITS RIGHT OF DECIMAL POINT; 9 = BLANK) | 37 | 1
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BLANK | ONE BLANK | 38 | 1
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DYNAMIC DEPTH ANOMALY | XXXXX (DYNAMIC METERS) | 39 | 5
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DYNAMIC DEPTH ANOMALY PRECISION | ONE-DIGIT CODE -- (3=NUMBER OF DIGITS RIGHT OF DECIMAL POINT; 9 = BLANK) | 44 | 1
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BLANK | THIRTY-THREE BLANKS | 45 | 33
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DENSITY INVERSION FLAG | ONE-DIGIT CODE - (1=SIGMA-T DECREASE GREATER THAN 0.02; OTHERWISE = 0) | 78 | 1
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NEXT RECORD TYPE | EITHER '3', '4', '6', OR '7' | 79 | 1
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PRESENT RECORD TYPE | '6' OR '7' (6 = DATA INTERPOLATED BY NODC TO NODC STANDARD DEPTH; 7 = DATA INTERPOLATED BY ORIGINATOR TO NODC OR OTHER STANDARD DEPTH) | 80 | 1
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