| 1999-07-01 12 | 2000-06-19 01 | Datawell Mark 1 directional buoy | 30103 | NA-406 | 32 51.100' | 117 21.000' |
| 2000-08-09 09 | 2000-12-18 15 | Datawell Mark 2 directional buoy | 30250 | NA-362 | 32 51.100' | 117 21.000' |
| 2000-12-19 13 | 2001-01-17 12 | Datawell Mark 2 directional buoy | 30306 | NA-364 | 32 51.100' | 117 21.000' |
| 2001-01-17 16 | 2001-11-29 08 | Datawell Mark 2 directional buoy | 30165 | NA-366 | 32 51.090' | 117 21.010' |
| 2001-11-29 10 | 2003-03-04 09 | Datawell Mark 2 directional buoy | 30254 | B1775G-39-04 | 32 51.090' | 117 21.010' |
| 2003-03-04 14 | 2004-09-01 05 | Datawell Mark 2 directional buoy | 30376 | B1820G-39-04 | 32 50.880' | 117 21.200' |
| 2004-09-01 11 | 2005-10-04 07 | Datawell Mark 2 directional buoy | 30252 | B1488G-32-04 | 32 50.880' | 117 21.200' |
