LinkQuest Device / Instrument
Precision Marine Geodetic System
Long-range acoustic positioning system with 0.5 cm accuracy over up to 7000 m, used for seafloor movement and tsunami monitoring.
Description
LinkQuest's Precision Marine Geodetic System measures the sound travel time between subsea precision transponders and a surface station using BASS technology. Integrated with kinematic GPS, motion sensors and gyro, it achieves sub-centimeter positioning. Operating at 7.5 to 12.5 kHz to limit absorption loss, it combines long range with high accuracy.
Key features
- Accuracy 0.5 cm over a working range of 7000 m
- Depth rating 3000 or 6000 m
- Transmit power consumption 110 W; transponder weight in water 2.0 kg
Applications
Seafloor movement monitoring, offshore vessel and survey positioning, defense operations, and tsunami and earthquake monitoring.
Specifications
| Accuracy | 0.5 cm |
|---|---|
| Working range | 7000 m |
| Maximum depth | 3000 or 6000 m |
| Operating frequency | 7.5 to 12.5 kHz |
| Transmit power consumption | 110 W |
| Weight in water | 2.0 kg |
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