Concept
Sonardyne SPRINT-Nav 700 (400 kHz) subsea navigation system
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL1787/1/ | |
|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | |
| Alternative Labels | Sonardyne SPRINT-Nav 700 400 kHz | |
| Definition | A subsea navigation system designed for subsea vehicle navigation and guidance, as well as general survey and construction operations. It combines a solid-state dual Attitude Heading Reference System (AHRS) and Inertial Navigation System (INS), a 400 kHz Syrinx Doppler Velocity Log (DVL), and a high accuracy pressure sensor in a single housing. SPRINT-Nav���s inertial dual AHRS and INS algorithm capability enables instantaneous INS start-up with North alignment from the onboard AHRS. This allows simultaneous use scenarios e.g. AHRS plus DVL for ROV piloting, INS plus DVL for survey operations. Continuous on-board data storage supports post-mission diagnostics and post-processing. The onboard Syrinx Doppler Velocity Log (DVL) is also available as a 600 kHz option. The SPRINT-Nav is depth-rated to 6000 m; a 4000 m rated version is also available. It has an INS secant latitude heading accuracy of 0.02 degrees (0.08 degrees Lodestar AHRS), and a roll and pitch accuracy of 0.01 degrees. It has a 0.4-175 m DVL operating range, a DVL ping rate up to 25 Hz, and an ADCP ping rate up to 4 Hz. | |
| Date | None | |
| Identifier | TOOL1787 | |
| Note | accepted | |
| Is Version Of | TOOL1787 | |
| version | 1 | |
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