| Field | Name | Descriptions |
|---|---|---|
| 01-02 | Country Code | Originator's nationality code |
| 03-04 | Ship Code | JODC ship code |
| 05-09 | Latitude | Degrees, minutes and 1/10 minutes |
| 10 | Lat. Hem. | Hemisphere of latitude (N or S) |
| 11-16 | Longitude | Degrees, minutes and 1/10 minutes |
| 17 | Lon. Hem. | Hemisphere of longitude (E or W) |
| 18-20 | Square Key | Marsden square number |
| 21-29 | Observation Date (GMT) | |
 21-22 | Year | Last 2 digits of the year |
| 23-24 | Month | Month |
| 25-26 | Day | Day |
| 27-29 | Hour | Hours to tenths |
| 30-34 | Station No. | Originator's station number |
| 35-38 | Depth | First setup level in meters measured by ADCP |
| 39-41 | Current Dir. | Current direction in degrees If column 41 is blank, current direction in 36 points |
| 42-43 | Current Vel. | Current velocity in knots to tenths |
| 44-46 | Surface Temp. | Surface temperature in degree Celsius to tenths |
| 47-50 | Wind | |
| 47-48 | Direction | Value in 36 points , 00 : Calm |
| 49-50 | Speed(S/F) | Wind speed(S) in knots Wind force(F) in Beaufort scale indicated by "-" in column 49 |
| 51-54 | Cont. St. No. | Continuation of originator's station number |
| 55-59 | Filler | Blank |
| 60 | Inst. Type | Instrument Type Blank : GEK , 1 : Ship's drift , 2 : ADCP |
| 61 | Filler | Blank |
| 62 | Project Code | Project name code |
| 63-66 | N-Comp. | Northern component to hundredth, if southern, "-" in column 63 |
| 67-70 | E-Comp. | Eastern component to hundredth, if western, "-" in column 67 |
| 71-76 | JODC Ref. No. | JODC processing number |
| 77-80 | Consec. No. | JODC consecutive station number |
| 81-84 | Square Key | |
| 81-82 | 1 Deg. | 1 degree square number |
| 83 | 30 Min. | 30 minutes square number |
| 84 | 15 Min. | 15 minutes square number |