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Rowe EDU - What is a DVL

in rowe_edu

February 13, 2020

Background Doppler Velocity Logs (DVLs) have been an industry standard for underwater navigation for a number of year now. Whether the vehicle is a Remotely Operated Vehicle (ROV), Autonomous Underwater Vehicle (AUV), Unmanned Underwater Vehicle (UUV) or manned vehicles such as submarines, DVLs are used to determine underwater position to navigate. Work-class ROVs have become a mainstay in the Oil and Gas market allowing for work such as opening and closing valves and conducting surveys to be done deep below the sea surface.

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Rowe Technologies Long Range Mode

in Long Range Mode

September 17, 2018

Rowe Technologies Inc. Long Range Mode Some may have noticed Teledyne RD Instruments new optional feature XRT (Extended Range Tracking) in there DVL. Well I have great news for all current and future Rowe Technologies ADCP and DVL owners, this feature has been included with all our ADCPs and DVLs from the beginning and it has always been FREE. We have called this mode, Long Range (LR) mode. Narrowband (Long Range Mode) Their new XRT feature uses Narrowband processing.

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Kearfott High Grade INS Integration

in Integration

September 10, 2018

Integration Integeration with Kearfott’s High Grade INS has completed with success. The overall distance travelled accuracy was below 0.1% using our Rowe Tech Dual Frequency 600khz/1200khz ADCP/DVL and Kearfott’s High Grade INS. More details on how to configure the ADCP for the Kearfott system can be here: http://rowetechinc.co/wiki/index.php?title=Kearfott_INS_Setup Testing Testing was done in Mission Bay in very shallow water, about 2m-3m deep. This would ensure there would be drop outs from our ADCP when the depths got to shallow.

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Rowe Technologies Inc. Sponsors San Diego City College Robosub Team

in DVL

August 4, 2018

2018 Rowe Technologies Inc, being a smaller company decided to sponsor a smaller school. I had been apart of the Robosub program when I went to San Diego City College. This is a community college, the budget is smaller. Also the students are not as far along in acdemic knowledge, so its a new learning experience. But the expectation is these students will not be at this college long term, so new students join the program more often.

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600khz ADCP used by Énergie de la Lune in Bordeaux, France

in Applications

April 1, 2018

600khz ADCP used by Énergie de la Lune in Bordeaux, France The Rowe Technologies 1200 KHz Acoustic Doppler Current Profiler (ADCP) is a sophisticated device that provides precise profiling and bottom track information at shorter ranges. Unfortunately, the extreme opacity of the water in the Garonne River in Bordeaux perpetuated by high turbidity and high backscatter due to suspended sediment, requires a lower frequency device even in a shallow water column.

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Oceanology London 2018

in Trade Show

March 13, 2018

Oceanology London March 13-15, 2018 In its 49th year of operation, Oceanology International was held in eastern London and is considered the world’s leading ocean technology and marine science exhibition and conference. Oceanology International attracts representatives from a variety of industries, including the marine science industry, academia, government, oil & gas, marine renewables and maritime defense, enabling buyers and suppliers to do business in one location. Rowe Technologies received a consistent flow of diverse company representatives and Rowe agents seeking profiling and navigation solutions.

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Xylem Hypack Supports Rowe Technologies Inc. ADCP and DVL

in Software

January 4, 2018

In the latest 2018 Release of xylem Hypack, Hypack software offically supports the Rowe Technologies Inc. ADCP and DVL. Adding in the latest adcp.dll will now include and entry for the Rowe Technologies Inc. ADCP. More information can be found here HYPACK® DRIVERS ADCP.dll: Support for DVL. Supports Rowe and Nortek devices NEW! Autopilot.dll: Adds Quality Control messages from an Autonomous Vehicle. Includes a selection of alarms to alert you to possible data acquisition problems, and when the vehicle strays outside a user-defined area.

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