The one record of this data has 117 bytes of data part and 12 bytes of flag part.
- Data part
| No. | Column | Content | Format | Unit | Remarks |
|---|---|---|---|---|---|
| 1 | 1 - 8 | Date | i4,i2,i2 |
|
YYYYMMDD (UTC) |
| 2 | 10 - 15 | Time | i2,i2,i2 |
|
hhmmss (UTC) |
| 3 | 17 - 19 | Datum | a3 |
|
W84:WGS84 TD_:TOKYO DATUM |
| 4 | 21 - 31 | Latitude | i2,x1,f7.4,a1 | degree - minute | dd-mm.mmmmN(S) |
| 5 | 33 - 44 | Longitude | i3,x1,f7.4,a1 | degree - minute | ddd-mm.mmmmE(W) |
| 6 | 46 - 49 | Ship speed (Ground) |
f4.1 | knot |
|
| 7 | 51 - 55 | Course (Ground) |
f5.1 | degree |
|
| 8 | 57 - 60 | Ship speed (Water) |
f4.1 | knot | *1 |
| 9 | 62 - 66 | Gyro | f5.1 | degree |
|
| 10 | 68 - 72 | Air temperature | f5.1 | deg-C |
|
| 11 | 74 - 78 | Sea surface temperature (SST) |
f5.2 | deg-C |
|
| 12 | 80 - 85 | Atmospheric pressure | f6.1 | hPa | Adjusted to the sea surface level |
| 13 | 87 - 89 | Relative humidity | i3 | % |
|
| 14 | 91 - 93 | True wind direction | i3 | degree | Averaged over the previous 6 seconds *2 |
| 15 | 95 - 98 | True wind speed | f4.1 | m/sec | Averaged over the previous 6 seconds *2 No anemometer height adjustment |
| 16 | 100 - 106 | Depth | f7.1 | m |
|
| 17 | 108 - 112 | Current direction | f5.1 | degree | Calculated value |
| 18 | 114 - 117 | Current speed | f4.1 | knot | Calculated value |
- Flag part
| No. | Column | Description | Format | Remarks |
|---|---|---|---|---|
| 19 | 119 | Flag 1 | i1 | QC flag for 'Latitude' and 'Longitude' |
| 20 | 120 | Flag 2 | i1 | QC flag for 'Ship speed (Ground)' |
| 21 | 121 | Flag 3 | i1 | QC flag for 'Course (Ground)' |
| 22 | 122 | Flag 4 | i1 | QC flag for 'Ship speed (Water)' |
| 23 | 123 | Flag 5 | i1 | QC flag for 'Gyro' |
| 24 | 124 | Flag 6 | i1 | QC flag for 'Air temperature' |
| 25 | 125 | Flag 7 | i1 | QC flag for 'Sea Surface Temerature (SST)' |
| 26 | 126 | Flag 8 | i1 | QC flag for 'Atmospheric pressure' |
| 27 | 127 | Flag 9 | i1 | QC flag for 'Relative humidity' |
| 28 | 128 | Flag 10 | i1 | QC flag for 'Wind direction' and 'Wind speed' |
| 29 | 129 | Flag 11 | i1 | QC flag for 'Depth' |
| 30 | 130 | Flag 12 | i1 | QC flag for 'Current direction' and 'Current speed' |
- *1 The plus and minus sign of No.8 [Ship speed (Water)] about R/V KAIREI indicates the velocity of direction of a bow and stem.
- *2 No.14 [True wind direction] and No.15 [True wind speed] about R/V SHINSEI MARU are instantaneous value.
- * The terminator of each record is 'CR+LF' code.
- * Missing value and format error value are filled with '9'.
- Definition of Quality Control Flags
- Flag 1 : Longitude and Latitude
- 1 - accepted
- 2 - questionable value
- 4 - failed in location check
- 9 - system error or input error
- Flag 2 : Ship speed (ground)
- 1 - accepted
- 2 - questionable value
- 4 - failed range check (under 20 knots)
- 9 - system error or input error
- Flag 3 : Course (ground)
- 1 - accepted
- 2 - questionable value
- 4 - failed range check (0 ~ 360 degree)
- 9 - system error or input error
- Flag 4 : Ship speed (water)
- 1 - accepted
- 4 - failed range check (under 20 knots)
- 9 - system error or input error
- Flag 5 : Gyro
- 1 - accepted
- 4 - failed range check (0 ~ 360 degree)
- 9 - system error or input error
- Flag 6 : Air temperature
- 3 - assumed good*
- 4 - failed range check (-20 ~ 40 degC)
- 9 - system error or input error
- Flag 7 : Sea surface temperature
- 3 - assumed good*
- 4 - failed range check (-3 ~ 37 degC)
- 9 - system error or input error
