GTSPP Data Product Centre| Year & Month (yyyymm) | Call Sign (SOT-ID) | Ship name | Number of observations |
|---|---|---|---|
| 201001 | JGQH | RYOFU MARU III | 41 |
| 201005 | JGQH | RYOFU MARU III | 18 |
| 201007 | JGQH | RYOFU MARU III | 74 |
| 201101 | JGQH | RYOFU MARU III | 40 |
| 201106 | JPBN | KEIFU MARU | 39 |
| 201112 | JGQH | RYOFU MARU III | 19 |
| 201201 | JGQH | RYOFU MARU III | 44 |
| 201204 | JGQH | RYOFU MARU III | 19 |
| 201207 | JPBN | KEIFU MARU | 41 |
| 201212 | JPBN | KEIFU MARU | 19 |
| 201301 | JGQH | RYOFU MARU III | 39 |
| 201306 | JPBN | KEIFU MARU | 37 |
| 201401 | JGQH | RYOFU MARU III | 41 |
| 201406 | JPBN | KEIFU MARU | 46 |
| 201501 | JGQH | RYOFU MARU III | 40 |
| 201506 | JPBN | KEIFU MARU | 40 |
| 201601 | JGQH | RYOFU MARU III | 41 |
| 201607 | JGQH | RYOFU MARU III | 74 |
| 201701 | JPBN | KEIFU MARU | 40 |
| 201708 | JPBN | KEIFU MARU | 41 |
| 201801 | JGQH | RYOFU MARU III | 40 |
| 201807 | JPBN | KEIFU MARU | 34 |
| 201901 | JGQH | RYOFU MARU III | 40 |
| 201907 | JPBN | KEIFU MARU | 32 |
| 202001 | JPBN | KEIFU MARU | 29 |
| 202006 | JPBN | KEIFU MARU | 42 |
| 202101 | JGQH | RYOFU MARU III | 41 |
| 202108 | JPBN | KEIFU MARU | 17 |
| 202201 | JPBN | KEIFU MARU | 41 |
| 202208 | JGQH | RYOFU MARU III | 37 |
| 202210 | JGQH | RYOFU MARU III | 32 |
| 202301 | JGQH | RYOFU MARU III | 35 |
| 202309 | JPBN | KEIFU MARU | 25 |
| 202402 | JPBN | KEIFU MARU | 41 |
| 202407 | 7KPB | RYOFU MARU IV | 24 |
| 202502 | 7KPB | RYOFU MARU IV | 40 |
| 202505 | 7KPB | RYOFU MARU IV | 13 |
| 202507 | 7KPB | RYOFU MARU IV | 31 |