Table 1. Data from three years of GPS telemetric experiments on Christmas Island.
| Year | 2008 | 2010 | 2011 | total |
| programmed GPS fixes | 7,729 | 17,813 | 24,370 | 49,912 |
| received GPS fixes | 4,360 | 4,726 | 6,207 | 15,293 |
| receiving ratio in % | 56.41% | 26.53% | 25.47% | 30.64% |
| filtered GPS fixes | 2351 | 2645 | 4276 | 9272 |
| monitored crab days | 164 | 547 | 962 | 1673 |
| animals tagged | 14 | 21 | 20 | 55 |
| average animal weight in g (±SD) | n. a. | 1,606±692 | 1,765±502 | 1,668±602* |
| average animal length in mm (±SD) | n. a. | 58.7±9.4 | 60±7.6 | 59.3±8.5* |
| average animal width in mm (±SD) | 142.5±24.8 | 144.8±23.5 | 134±15.3 | 140.3±22.9 |
| translocated animals | 0 | 4 | 8 | 12 |
| average horizontal error estimate in m (±SD) | 20.9±13.4 | 20.9±13.1 | 18.4±12.5 | 20±13.4 |
*
N = 42 (only 2010 and 2011).