Composition of the Global Drifter Array on 21-Sep-2026:
| Pacif.Gyre: | 578 |
| SIO : | 170 |
| DBi : | 123 |
| Unknown: | 119 |
| Metocean: | 111 |
| NKE : | 27 | TOTAL: | 1128 |
Number of Iridium drifters: 1128
Fraction of array that is Iridium: 100.0 percent
Array size on 14 Sep 2026: 1133 drifters
Added IDs (6):
300534068825870 300534067586490 300534068117370 300534065478320 300534065478340 300534065478450
Lost IDs (11):
300534064596280 300534061343660 300534062099720 300534063014290 300534064804090 300534065069100 300534065160510 300534065952150 300534067586350 300534068055950
300534064236280
Net change: 6 - 11 = -5
New array size on 21 Sep 2026: 1128 drifters.
Death rate: 12.2 deaths per 1250 drifters per 7 days (634 deaths per 1250 per year).
Mean age of dead drifters: 580 days. Median: 539 days.
Deplog information for dead drifters (underlined: aground/picked up):
| ID | WMO# | DepDate | DepLat | DepLon | Ship | Manufacturer | Type | Prgm
| 300534061343660 | | 1501711 | | 16-Feb-2021 | | -20.5 | | 0.2 | | MV HELENA | DBi | | BD2GI | | 21312 | |
Specification sheet info for dead drifters not in deployment log (underlined: aground/picked up):
| ID | MANUFACTURER | TYPE | TRANSMISSION| 300534067586350 | | Pacific Gy | | SVP3A3 | | 300534065069100 | | Pacific Gy | | SVP3A3 | | 300534065160510 | | Pacific Gy | | SVP3A3 | | 300534068055950: | | not in spec sheet300534064236280 | | SIO | | BD2VHI | | 300534065952150 | | Pacific Gy | | SVP3A3 | | 300534064596280 | | Pacific Gy | | BD2A3 | | 300534064804090 | | SIO | | BD2GHI | | 300534063014290 | | Pacific Gy | | BD2A3 | | 300534062099720 | | Pacific Gy | | BD2A3 | | |