| 1999-07-01 19 | 2000-06-19 08 | Datawell Mark 1 directional buoy | 30103 | NA-406 | 32 51.100' | 117 21.000' |
| 2000-08-09 16 | 2000-12-18 22 | Datawell Mark 2 directional buoy | 30250 | NA-362 | 32 51.100' | 117 21.000' |
| 2000-12-19 20 | 2001-01-17 19 | Datawell Mark 2 directional buoy | 30306 | NA-364 | 32 51.100' | 117 21.000' |
| 2001-01-17 23 | 2001-11-29 15 | Datawell Mark 2 directional buoy | 30165 | NA-366 | 32 51.090' | 117 21.010' |
| 2001-11-29 17 | 2003-03-04 16 | Datawell Mark 2 directional buoy | 30254 | B1775G-39-04 | 32 51.090' | 117 21.010' |
| 2003-03-04 21 | 2004-09-01 12 | Datawell Mark 2 directional buoy | 30376 | B1820G-39-04 | 32 50.880' | 117 21.200' |
| 2004-09-01 18 | 2005-10-04 14 | Datawell Mark 2 directional buoy | 30252 | B1488G-32-04 | 32 50.880' | 117 21.200' |
