Composition of the Global Drifter Array on 20-Apr-2026:
| Pacif.Gyre: | 541 |
| SIO : | 177 |
| Metocean: | 159 |
| DBi : | 139 |
| Unknown: | 72 |
| NKE : | 31 | TOTAL: | 1119 |
Number of Iridium drifters: 1119
Fraction of array that is Iridium: 100.0 percent
Array size on 13 Apr 2026: 1126 drifters
Added IDs (7):
300534060157360 300534063014290 300534063900060 300534063900080 300534063901090 300534065472020 300534067589380
Lost IDs (14):
300534061755780 300534063314470 300534067121450 300534060526280 300534060719690 300534061381130 300534061394970 300534062784640 300534063486280 300534063683590
300534064595270 300534064595700 300534064802080 300534067025250
Net change: 7 - 14 = -7
New array size on 20 Apr 2026: 1119 drifters.
Death rate: 15.6 deaths per 1250 drifters per 7 days (813 deaths per 1250 per year).
Mean age of dead drifters: 619 days. Median: 658 days.
Deplog information for dead drifters (underlined: aground/picked up):
| ID | WMO# | DepDate | DepLat | DepLon | Ship | Manufacturer | Type | Prgm
| 300534061381130 | | 5103563 | | 21-Dec-2021 | | 24.2 | | -153.5 | | R/V THOMAS THOM | DBi | | SVP3GI | | 21412 | |
Specification sheet info for dead drifters not in deployment log (underlined: aground/picked up):
| ID | MANUFACTURER | TYPE | TRANSMISSION| 300534063683590 | | Metocean | | SVP3A3 | | 300534063486280 | | Metocean | | SVP3A3 | | 300534064595700 | | Pacific Gy | | BD2A3 | | 300534064595270 | | Pacific Gy | | BD2A3 | | 300534067121450: | | not in spec sheet300534067025250 | | Pacific Gy | | SVP3A3 | | 300534063314470 | | NKE | | BD2GHI | | 300534061755780 | | SIO | | BD2GHI | | 300534060719690 | | Pacific Gy | | BD2A3 | | 300534060526280 | | Pacific Gy | | BD2A3 | | 300534064802080 | | SIO | | BD2GHI | | 300534062784640 | | DBi | | BD2A3 | | 300534061394970 | | SIO | | | | SBD 9602 | |