Kongsberg Seatex Motion Reference Products

At Oceanology International 2012, two Motion Reference Units from Kongsberg Maritime’s position reference specialist division, Kongsberg Seatex, Norway, have been showcased. The MRU 3 is a completely new model within Kongsberg Seatex’s 5th generation of roll, pitch and heave motion sensors. It is especially designed for heave compensation applications including real-time heave compensation of echo sounders and active heave compensation of offshore cranes. It provides heave measurements to meet IHO standards and achieves high reliability by using solid state sensors with no rotational or mechanical parts. Another new model to the fifth generation of MRUs, the new MRU E, is... (read more)
2012-04-16 10:37:23

CodaOctopus F180s for Fugro

CodaOctopus has recently delivered two new F180 position and attitude systems to Fugro Survey Pty in Perth, Australia and conducted on-site operator training for twenty surveyors and engineers, including classroom and at-sea instruction. The Octopus F180 was selected by Fugro Survey after lengthy and intensive trials which established it as a credible and cost-effective solution for precision attitude and position data, ideally suited for multibeam survey. Providing high accuracy pitch, roll and heave data, together with inertia-aided position and heading, the F180s will be used in conjunction with Fugro's Reson multibeam sonar. With applications ranging from large vessel deepwater survey... (read more)
2004-02-02 12:00:00

POS MV Elite Brings Precision for Marine Surveying

Applanix has introduced its high-performance motion reference system for maritime surveying and mapping: the POS MV Elite. The POS MV Elite is a tightly coupled Inertial/GPS system that employs high precision ring laser gyros. The system includes an inertial measurement unit (IMU) originally designed for the aerospace industry, now available for marine hydrographic service. POS MV Elite produces approximately two times better roll and pitch measurement accuracies than the current industry standard POS MV 320. The system offers true heading accuracy without the need for dual GPS installation. The POS MV Elite also utilises the same proven computer and GPS... (read more)
2006-11-30 12:00:00

Hemisphere GPS Expands OEM Agreement with Navico

Hemisphere GPS, Canada, has expanded its multi-year OEM agreement with Navico. Hemisphere GPS is supplying Navico with the industry's smallest (42cm) GPS compass, which will be privately branded Simrad HS70. Simrad HS70 GPS compass will be sold with Navico's AP70, AP35 and AP50 autopilots for pleasure boats, yachts and commercial vessels.   Based on Hemisphere GPS' patented Crescent Vector II technology, HS70 calculates reliable GPS heading accuracy of 0.75 degree and 50cm GPS positioning accuracy with SBAS corrections while providing heave, pitch and roll output messages through an integrated tilt sensor and gyro system. HS70 supports both NMEA 0183 and... (read more)
2011-11-24 09:22:36

Saderet Reports Strong Sales for Hemisphere GPS Vector Systems

Saderet Ltd, the European distributor for Hemisphere GPS, a division of CSI Wireless, reports strong sales of all versions of the Vector GPS compass system. Recent customers include Osiris Projects, Land and Marine, Global Marine Systems, EGS, Caledonian Geotech, Gardline Marine Sciences, GSE Rentals, Hiretech, ABP Hull, PD Teesport, Medway Ports and the Port of London. The system is available in different forms to suit various applications. For example, two entrants in the Volvo round-the-world yacht race chose the VectorPro “all-in-the-antenna” version, whilst MTA, a contractor in the cellular telephone industry opted for 18 Vector Sensor systems for optimum accuracy... (read more)
2005-06-10 12:00:00

Ixsea and Thales Launch Starins Range

Ixsea and Thales launch their shared product Starins, a range which combines Military GPS and Inertial Navigation Systems (INS), in Paris. This range includes Starins 120, Starins 200 and Starins 200 Embedded. Starins 120 combines Ixsea's Photonic Inertial Navigations System (PHINS) with GRAM-S military Thales GPS and outputs position, heading, roll, pitch, depth, velocity and heave. Its high-accuracy inertial measurement unit is based on Ixsea's FOG technology coupled with an embedded digital signal processor that runs and advanced Kalman filter. Applications include surface navigation for frigates, MCMV and fast patrol boats as well as SDV. Starins 200 and Starins 200... (read more)
2006-07-04 12:00:00

LinkQuest Data Fusion Functions

LinkQuest high-speed underwater acoustic modems have recently incorporated data fusion functions. All LinkQuest modems can now interface to up to eight underwater sensors or devices using the RS232 interface. These systems can also sample up to sixteen analogue inputs simultaneously and provide up to 1Gbytes of permanent storage on a compact flash disk. Using this platform, LinkQuest Inc. delivered two sets of UWM2000 modem systems to Fugro Change Inc. Early 2003. These systems interface to a DigiQuartz depth sensor, a load cell and a compass and pitch/roll sensor. The sensor data is stored on a compact flash data logger at... (read more)
2003-10-25 12:00:00

PD Teesport go for Vector Sensor

Saderet Ltd, the European distributor for CSI Wireless have supplied seven Vector Sensor GPS compass systems to PD Teesport. The Vector Sensor provides sub-half degree heading, and sub-meter navigation data for use on 7 of PD’s vessels that provide the following wide range of port services: The Tees Harbour Launch and Tees Surveyor acquire hydrographic survey data The Heortnesse and Cleveland County are trailer suction dredgers The Seal Sands is a grab dredger, whilst the Wilton is the buoy tender vessel The Seaton is engaged in general workboat duties The Vector Sensor offers multiple source differential input including IALA beacon... (read more)
2004-07-23 12:00:00

Dynamic Calibration of ­Navigation Sensors Using GNSS Technology

New on the move approach of calibration for vessel navigation sensors
Over the years there has been a requirement to calibrate navigation (heading and motion) sensors and verify DGNSS systems on vessels working in the offshore oil industry. These calibrations are a requirement of oil companies and need to be undertaken prior to commencement of a project and/or at regular intervals throughout a project. This article covers the techniques and accuracies related to applying GNSS technology to vessel sensor calibration and verification. Historically, vessel sensor calibrations have been undertaken in port using traditional land survey techniques, where the vessel is moored alongside a quay. The current advances made in GNSS technology... (read more)
2013-09-06 03:37:40

Collaborating to Make ROVs Small and User-friendly

Putting together a highly specified remotely operated underwater vehicle (ROV) is a complex business, requiring fluid integration of components and software from several different manufacturers. Getting it all to work together takes a high level of collaboration between professionals, located around the world. When VideoRay was designing a subsea vehicle so compact it could be checked in as luggage at the airport, it teamed up with Nortek to keep the size down, while keeping the positioning accuracy high. A case in point is the deployment of Nortek’s DVL1000 Doppler Velocity Log on the Defender models now being produced by Pennsylvania-based... (read more)
2018-10-23 09:44:24
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