Composition of the Global Drifter Array on 12-Oct-2026:
| Pacif.Gyre: | 580 |
| SIO : | 230 |
| Metocean: | 122 |
| DBi : | 118 |
| Unknown: | 53 |
| NKE : | 32 | TOTAL: | 1135 |
Number of Iridium drifters: 1135
Fraction of array that is Iridium: 100.0 percent
Array size on 5 Oct 2026: 1138 drifters
Added IDs (19):
300534068929850 300534067519980 300534068929860 300534067814630 300534061656080 300534065367120 300534065950130 300534065950490 300534065951120 300534065951130
300534065951170 300534065951330 300534065952120 300534065957310 300534068050990 300534068150050 300534068150090 300534065478800 300534065479190
Lost IDs (22):
300534067611740 300534067617700 300234063568070 300534065061050 300534060716660 300534061086080 300534061658780 300534061753090 300534062027550 300534062584090
300534062780500 300534062784600 300534063017410 300534065069960 300534065262780 300534065472140 300534065952150 300534067585360 300534067585470 300534067585550
300534067585870 300534064236510
Net change: 19 - 22 = -3
New array size on 12 Oct 2026: 1135 drifters.
Death rate: 24.2 deaths per 1250 drifters per 7 days (1262 deaths per 1250 per year).
Mean age of dead drifters: 770 days. Median: 602 days.
Deplog information for dead drifters (underlined: aground/picked up):
| ID | WMO# | DepDate | DepLat | DepLon | Ship | Manufacturer | Type | Prgm
| 300534061086080 | | 2101830 | | 10-Nov-2021 | | 47.3 | | 167.0 | | WESTWOOD COLUMB | Pacific Gy | | BD2GI | | 31412 | 300534061658780 | | 2101824 | | 16-Aug-2021 | | 32.1 | | 158.0 | | R/V ARAON | DBi | | BD2GI | | 31412 | 300234063568070 | | 1701600 | | 31-Jan-2017 | | -54.0 | | 0.0 | | R/V AGULHAS II | Metocean | | SVP3GI | | 2222 | |
Specification sheet info for dead drifters not in deployment log (underlined: aground/picked up):
| ID | MANUFACTURER | TYPE | TRANSMISSION| 300534067585360 | | Pacific Gy | | SVP3A3 | | 300534067585470 | | Pacific Gy | | SVP3A3 | | 300534067585550 | | Pacific Gy | | SVP3A3 | | 300534067585870 | | Pacific Gy | | SVP3A3 | | 300534065069960 | | Pacific Gy | | SVP3A3 | | 300534065061050 | | Pacific Gy | | BD2A3 | | 300534067617700 | | NKE | | BD2A3 | | 300534067611740 | | NKE | | BD2A3 | | 300534065472140 | | SIO | | BD2GHI | | 300534064236510 | | SIO | | BD2VHI | | 300534065952150 | | Pacific Gy | | SVP3A3 | | 300534065262780 | | Pacific Gy | | BD2A3 | | 300534061753090 | | SIO | | BD2GHI | | 300534063017410 | | Pacific Gy | | BD2A3 | | 300534062780500 | | DBi | | BD2A3 | | 300534062584090 | | DBi | | BD2A3 | | 300534060716660 | | Pacific Gy | | BD2A3 | | 300534062784600 | | DBi | | BD2A3 | | 300534062027550 | | DBi | | | | SBD 9602 | |