Composition of the Global Drifter Array on 22-Jul-2024:
| Pacif.Gyre: | 442 |
| DBi : | 319 |
| SIO : | 201 |
| Metocean: | 118 |
| Unknown: | 30 |
| NKE : | 29 |
| Marlin Yug: | 1 | TOTAL: | 1140 |
Number of Iridium drifters: 1140
Fraction of array that is Iridium: 100.0 percent
Array size on 15 Jul 2024: 1142 drifters
Added IDs (11):
300534061654380 300534061756870 300534061756880 300534061757080 300534061757090 300534061757100 300534061757120 300534061757720 300534061757860 300534064904970
300534064906300
Lost IDs (13):
300234066834690 300534060211000 300534061282050 300534061299670 300534061458820 300534062028730 300534062030050 300534062031050 300534062095810 300534062360800
300534062368380 300534062786450 300534064005320
Net change: 11 - 13 = -2
New array size on 22 Jul 2024: 1140 drifters.
Death rate: 14.2 deaths per 1250 drifters per 7 days (743 deaths per 1250 per year).
Mean age of dead drifters: 568 days. Median: 469 days.
Deplog information for dead drifters (underlined: aground/picked up):
| ID | WMO# | DepDate | DepLat | DepLon | Ship | Manufacturer | Type | Prgm
| 300534061282050 | | 1301763 | | 02-Dec-2021 | | 10.0 | | -23.0 | | RONALD BROWN | DBi | | BD2GI | | 31412 | 300234066834690 | | 1601665 | | 15-Nov-2020 | | -48.0 | | 60.0 | | MARION DUFRESNE | Pacific Gy | | BD2GI | | 21321 | |
Specification sheet info for dead drifters not in deployment log (underlined: aground/picked up):
| ID | MANUFACTURER | TYPE | TRANSMISSION| 300534064005320: | | not in spec sheet300534062786450 | | DBi | | BD2A3 | | 300534062095810 | | Pacific Gy | | BD2A3 | | 300534061458820 | | SIO | | BD2GHI | | 300534062031050 | | Metocean | | BD2GHI | | 300534060211000 | | NKE | | SVP3A3 | | 300534062030050 | | Metocean | | BD2GHI | | 300534062360800 | | Pacific Gy | | BD2A3 | | 300534062368380 | | Pacific Gy | | SVP3A3 | | 300534062028730 | | DBi | | BD2A3 | | 300534061299670 | | SIO | | | | SBD 9602 | |