Composition of the Global Drifter Array on 07-Sep-2026:
| Pacif.Gyre: | 587 |
| SIO : | 175 |
| DBi : | 126 |
| Metocean: | 113 |
| Unknown: | 111 |
| NKE : | 28 | TOTAL: | 1140 |
Number of Iridium drifters: 1140
Fraction of array that is Iridium: 100.0 percent
Array size on 31 Aug 2026: 1132 drifters
Added IDs (20):
300534067612600 300534067816420 300534067614770 300534068928870 300534065284150 300534069709110 300534069708100 300534069709100 300534069706090 300534069702080
300534068922850 300534060716660 300534063014290 300534065955190 300534065955300 300534067586780 300534068117370 300534065478510 300534065478370 300534065478410
Lost IDs (12):
300534063324720 300534064596280 300534061658060 300534061753730 300534062128360 300534063902000 300534065069980 300534065160360 300534065176750 300534065951160
300534067585440 300534065475670
Net change: 20 - 12 = 8
New array size on 7 Sep 2026: 1140 drifters.
Death rate: 13.2 deaths per 1250 drifters per 7 days (689 deaths per 1250 per year).
Mean age of dead drifters: 628 days. Median: 595 days.
Deplog information for dead drifters (underlined: aground/picked up):
| ID | WMO# | DepDate | DepLat | DepLon | Ship | Manufacturer | Type | Prgm |
Specification sheet info for dead drifters not in deployment log (underlined: aground/picked up):
| ID | MANUFACTURER | TYPE | TRANSMISSION| 300534067585440 | | Pacific Gy | | SVP3A3 | | 300534065069980 | | Pacific Gy | | SVP3A3 | | 300534065160360 | | Pacific Gy | | SVP3A3 | | 300534065475670: | | not in spec sheet300534065951160 | | Pacific Gy | | SVP3A3 | | 300534065176750 | | SIO | | BD2GHI | | 300534064596280 | | Pacific Gy | | BD2A3 | | 300534061753730 | | SIO | | BD2GHI | | 300534063324720 | | NKE | | BD2A3 | | 300534063902000 | | Pacific Gy | | SVP3A3 | | 300534061658060 | | Pacific Gy | | BD2A3 | | 300534062128360 | | DBi | | | | SBD 9602 | |