| 1979-10-26 01 | 1979-12-23 09 | Datawell non-directional buoy | W67537-9 | - | 36 50.900' | 122 11.000' |
| 1980-01-17 01 | 1980-03-18 09 | Datawell non-directional buoy | W67534-9 | - | 36 50.400' | 122 9.400' |
| 1981-01-29 01 | 1981-02-26 09 | Datawell non-directional buoy | W67536-9 | - | 36 55.200' | 122 21.800' |
| 1981-04-13 01 | 1982-10-15 09 | Datawell non-directional buoy | W67535-9 | - | 36 55.000' | 122 19.500' |
| 1982-10-15 09 | 1983-12-24 09 | Datawell non-directional buoy | W67533-9 | - | 36 55.000' | 122 19.500' |
| 1984-03-02 13 | 1984-03-04 12 | Datawell non-directional buoy | W67536-9 | - | 36 55.300' | 122 18.600' |
| 1985-04-03 13 | 1985-07-04 01 | Datawell non-directional buoy | W67536-9 | - | 36 51.600' | 122 9.600' |
| 1985-07-26 12 | 1985-11-28 09 | Datawell non-directional buoy | W67536-9 | - | 36 51.700' | 122 9.100' |
| 1986-03-27 01 | 1986-04-12 13 | Datawell non-directional buoy | W68124-9 | - | 36 51.100' | 122 9.200' |
| 1987-03-28 11 | 1988-04-01 01 | Datawell non-directional buoy | W67530-9 | - | 36 56.900' | 122 25.100' |
