Table 2 Key properties of the OMB-v2021.
size (default box) | 10 × 10 × 12 cm |
|---|---|
weight (battery and box dependent) | 0.5–1.0 kg |
microcontroller | Ambiq Apollo 3 |
communications | Iridium SBD |
GNSS chip | ZOE-M8Q |
motion sensor chip | ISM330DHCX |
battery (standard) | 2-3 LSH20 |
autonomy (standard) | 7.5+ months |
GNSS sample rate (standard) | once every 15 minutes |
wave 1D spectrum sample rate (standard) | once every 2 hours |
hardware cost | around 650 USD |
total cost of ownership, 3 months deployment | around 1000 USD |
motion sensor raw data rate | 800 Hz |
Kalman filter refresh rate | 100 Hz |
wave acceleration sample rate | 10 Hz |
wave spectrum data sample duration | 20.48 minutes |
online open source project repository |
