Composition of the Global Drifter Array on 16-Jun-2025:
| Pacif.Gyre: | 615 |
| DBi : | 221 |
| SIO : | 194 |
| Metocean: | 143 |
| NKE : | 42 |
| Unknown: | 39 | TOTAL: | 1254 |
Number of Iridium drifters: 1254
Fraction of array that is Iridium: 100.0 percent
Array size on 9 Jun 2025: 1259 drifters
Added IDs (7):
300534064358300 300534062039380 300534064355310 300534064356300 300534062037370 300534062039390 300534063908050
Lost IDs (12):
300534061597080 300234065704450 300234066716520 300234067279180 300534060613530 300534062786210 300534064294220 300534064307510 300534064397450 300534065377930
300534064137110 300534064139020
Net change: 7 - 12 = -5
New array size on 16 Jun 2025: 1254 drifters.
Death rate: 11.9 deaths per 1250 drifters per 7 days (622 deaths per 1250 per year).
Mean age of dead drifters: 792 days. Median: 374 days.
Deplog information for dead drifters (underlined: aground/picked up):
| ID | WMO# | DepDate | DepLat | DepLon | Ship | Manufacturer | Type | Prgm
| 300534060613530 | | 5201708 | | 14-Jul-2020 | | 19.6 | | 134.6 | | R/V ONNURI | Pacific Gy | | SVP3GI | | 21312 | 300234065704450 | | 5501572 | | 07-Jun-2020 | | 28.4 | | -59.0 | | USN SURVEY | Pacific Gy | | SVP3GI | | 21312 | 300234067279180 | | 1501678 | | 02-Apr-2020 | | -13.0 | | -22.2 | | RONALD BROWN | Pacific Gy | | SVP3GI | | 21312 | 300234066716520 | | 1301594 | | 14-Mar-2020 | | -37.5 | | -20.4 | | NRP SAGRES | DBi | | SVP3GI | | 21312 | |
Specification sheet info for dead drifters not in deployment log (underlined: aground/picked up):
| ID | MANUFACTURER | TYPE | TRANSMISSION| 300534064294220 | | Pacific Gy | | BD2A3 | | 300534065377930 | | Pacific Gy | | SVP3A3 | | 300534064139020 | | SIO | | BD2VHI | | 300534064137110 | | SIO | | BD2VHI | | 300534064397450 | | Pacific Gy | | SVP3A3 | | 300534064307510 | | SIO | | SVPGHI | | 300534062786210 | | DBi | | BD2A3 | | 300534061597080 | | SIO | | BD2GHI | | |