Table 2 The resulting permanently achievable maximum time errors compared to UTC time when using GPS and/or WiFi as synchronisation methods
From: Time synchronisation for millisecond-precision on bio-loggers
Ambient temperature range (°C) | Onboard resynchronisation interval (WiFi / GPS) | Maximum Terror (75% quantile) (ms) | Maximum Terror (85% quantile) (ms) | Maximum Terror (95% quantile) (ms) |
|---|---|---|---|---|
0 to 50 | 10 min | ± 18 | ± 27 | ± 56 |
-40 to 85 | 10 min | ± 19 | ± 28 | ± 57 |
0 to 50 | 60 min | ± 23 | ± 31 | ± 60 |
-40 to 85 | 60 min | ± 28 | ± 37 | ± 66 |
0 to 50 | 24 h | ± 147 | ± 156 | ± 185 |
-40 to 85 | 24 h | ± 277 | ± 286 | ± 315 |