Dual-frequency, real-time kinematic (RTK) receiver for precise dynamic positioning Trimble’s MS750™ system is the most responsive GPS receiver on the market today.

The system sets a new standard for dynamic positioning by providing 20 mm (1″) accuracies, 20 times per second with a latency of less than 20 milliseconds. At higher latencies the MS750 provides positions of 10 mm (0.5″) 5 times per second.

Designed for easy integration, the MS750 adds precise positioning to dynamic guidance or control applications, such as those used in mining or construction, that require virtually instantaneous position reports multiple times per second.

The MS750 receiver operates reliably in mining and construction sites where high levels of radio interference are typical. Trimble’s Super-trak™ multibit GPS signal processing technology and Everest™ advanced multipath signal suppression keep measurements accurate even when satellite signals are weak.

The MS750 is programmed with a single command or configured via a simple built-in display or by using Microsoft Windows-based Configuration Toolbox software. The system can receive RTCM SC-104 differential GPS corrections simultaneously and includes support for the Controller Area Network (CAN) standard used by the automotive and construction industries to control and monitor electronic subsystems.

The MS750 is one of the Trimble MS Series receivers. These receivers share a common platform—this allows you to choose products suitable for your applications without having to redevelop software interfaces.

20 mm (1″) positions with < 20 ms position latency and 20 Hz updates 10 mm (0.5″) accuracy with 300 ms latency and 5 Hz updates front panel display and keypad RTCM SC-104 input/output CAN support Base station operation.

• 8.5” Thermal Printer (fax paper) LCD display (1”high)
• Sealed Keypad Controls
• Manual/Remote Mark Command
• Auto Scale Change (phasing)
• GPS input
• Heave Input from Motion Sensor
• Annotation Printed on Chart
• Auto Pulse Length, AGC & TVG
• Output: NMEA, ECHOTRAC, etc.
• Waterproof
• Lightweight (32 lbs. / 14.5Kg)
• Small Size (14 in. high x 16.75 in. wide x 8″ deep) (356mm high x 425mm wide x 203mm deep)
• Resolution 0.1 feet or 0.01 metres 

Focused 0.5° beams – 240 beams – 2.5 cm near field resolution – 6 mm depth resolution – 120° sector coverage.

The SeaBat 8125 can be used in the following application areas: micro-bathymetry, mine location, extremely high resolution imaging.

The SeaBat 8125 is the latest wide-sector, wide-band focused multibeam sonar ever to be deployed. Utilizing 240 dynamically focused receive beams, the system measures a 160º swath across the seafloor, detects the bottom, and delivers the measured ranges at a depth resolution of 6 mm. The backscatter intensity image is displayed in real time on the sonar display.

The 8125 can be controlled through its native graphical user interface or from a multibeam data collection system, such as SeaBat 6042 version 7.

The system can be mounted on a survey vessel or deployed on an ROV at depths down to 1500 m (standard 600 m, 1500 m is an option). The high-speed data uplink is carried on a standard SeaBat copper cable for surface installation. A fibre-optical interface is available for ROV deployment. ROV is pressure rated to 6000m and provides identical performance even when submerged to these great depths.

Two 8125 systems can be configured as a dual-headed system, and for complete control the SeaBat 6043 image fusion and controller merges the images of the two sonar heads into one.

Frequency: 455 kHz

• Depth Resolution: 6 mm
• Swath Coverage 120°
• Max Range: 450m
• Number of beams: 240
• Along-Track Beamwidth: 1°
• Across-Track Beamwidth: 0.5°
• Accuracy: IHO Special Order
• Operating Speed: Up to 12 knots
• Max. Update Rate: 40 times/sec
• Transducer depth rating: 6000m

Clydeside Surveys operate the 8125 for bathymetry and special applications such as quaywall inspection, via HySweep.

The CodaOctopus F180 series of precision attitude and positioning systems has been expanded to include new variants with enhanced performance to meet the widest range of requirements F185 – with L1/L2 and 1cm RTK capability.

This system is further enhanced to include L1/L2 on the secondary antenna for rapid heading initialisation and improved immunity to drop-out.

The Octopus F185 Attitude & Positioning System creatively reapplies technology originally developed for the high speed, mechanically extreme world of Coda Octopus modifications and enhancements to the light yet robust equipment, designed to meet the punishing demands of the racetrack, have resulted in a simple-to-use, off-the-shelf product that brings accurate positioning and motion data into the most dynamic offshore conditions for precision marine survey applications worldwide.

Using an advanced 23-state Kalman filter to combine the best qualities of Inertial Navigation Systems (INS) with those of GPS technology, the F185 delivers noise free, accurate and reliable measurements even during short GPS dropouts – crucial in high multipath conditions or in survey areas such as ports and harbours, riverbanks, near-shore coastal waters and around offshore structures.

Performance of the F185 has been documented and the system tried and tested by leading multibeam manufacturers and survey contractors, who have shown it to deliver the precision and reliability demanded of it. Furthermore, the F185 meets and exceeds IHO (International Hydrographic Organisation) Special Order requirements.

The GeoPulse Boomer system is the choice for geophysical survey where high seabed penetration is required in deep or shallow water across a broad range of sub-bottom structures.

Industry proven, with thousands of kilometres surveyed, GeoPulse offers a flexible high resolution solution. The system provides up to three times the acoustic energy of conventional profiling systems while operating in very shallow water and in high noise environments. The surface towed acoustic source is easy to deploy and the on-board units are compact and easily installed.

For surveys where even greater penetration is required the GeoPulse Multi-Electrode Sparker Array may be used in place of the Boomer plate but at the expense of some trade-off in resolution.

The system includes the following:

• GeoPulse 5420S power supply.
• A specially designed power cable is used to connect the 5420S to the source.
• An acoustic source which can be either a Boomer plate mounted on a catamaran or a multi-electrode sparker array.
• GeoPulse Receiver usually with a Swell Filter Option fitted.
• GeoPulse Hydrophone (model 5110A)
• Data from the GeoPulse Receiver can be displayed directly onto a wide variety of industry standard graphic recorders. Alternatively the GeoPulse Receiver may be omitted and the output from the GeoPulse Hydrophone may be fed directly into a GeoPro Sonar Processing system for recording and processing.

Applied Acoustic Engineering’s Squid Sparker is a powerful and versatile energy source used for marine refraction and multi-channel seismic reflection surveys.

The seismic source is created by the sudden release of high voltage electrical energy to the speaker which forms a plasma

and weight make the sparker ideal for shallow marine work.

Specifications:

• Dimension: 800 – 150mm3
• Weight: 3 kg
• Power range: 300 – 500

The GeoAcoustics Dual Frequency Side Scan Sonar system is the ideal tool for seabed feature mapping, offering flexibility and high quality results in a simple and reliable package.

The system offers high resolution, switch selectable, dual frequency operation (100/410 kHz), which when combined with multiplexed data transmission enables a low drag co-axial tow cable to be used. This also facilitates simple installation onto remotely operated vehicles (ROV’s) and combined systems towfish.

The standard system employs a lightweight towfish which is easily deployed by one person and can operate to a depth of 1000 metres. There are separate controls for each channel, which makes the system very easy to operate. Optional extras include a deeper rated towfish, a towfish instrumentation package and a stainless steel towbody.

The basic system includes the following:

• Transceiver (model SS941)
• Towfish (model 159D), which houses the multiplexer and two dual frequency transducers.

The multiplexed data transmission technique employed allows the system to be used with a wide selection of towcables, including twisted pair and co-axial cables. Data from the dual frequency side scan sonar can be input to many sonar processing systems, including a GeoPro Sonar Processor or it can be displayed on a wide variety of industry standard graphic recorders.

Unique Ultra technology provides compensation at all speeds, all temperatures and all grey levels across the full print width.

Interface: Three channel analogue interface with serial and parallel digital inputs as standard.

Printing: 12" print width with compensated true grey-scale printing.

 Compatible: Suitable for use with existing 3710 thermal paper

 Rugged: robust, 19" rack-mountable design.

CESIUM VAPOR HIGH PERFORMANCE - Highest detection range and probability of detecting all sized ferrous targets

NEW STREAMLINED DESIGN FOR TOW SAFETY - Low probability of fouling in lines or rocks NEW QUICK

CONVERSION FROM NOSE TOW TO CG TOW - Simply remove a stainless steel locking pin, move tow point and reinsert. New easy carry handle built in! NEW INTERNAL CM-221

COUNTER MODULE - Provides Flash Ram for storage of default parameters set by user NEW ECHOSOUNDER / ALTIMETER

OPTION NEW DEPTH RATING - 4,000 psi ! HIGHEST SENSITIVITY IN THE INDUSTRY - 0.004 nT/Hz RMS with the internal CM-221 Mini-Counter

EASY PORTABILITY & HANDLING - no winch required- single man operation, 44 lbs with 200 ft cable (without weights or depressor wing)

COMBINE TWO SYSTEMS FOR INCREASED COVERAGE - Internal CM-221 Mini-Counter provides multi-sensor data concatenation allowing side by side coverage which maximizes detection of small targets and reduces noise

Very high resolution Cesium Vapor performance is now available has been incorporated into a low cost, small size system for professional surveys in shallow or deep water. High sensitivity and sample rates of 500m (no telemetry).

The shipboard end of the tow total field measurements are maintained for all cable is attached to a junction box or on-board cable applications. The well proven Cesium sensor is for quick and simple hookup to power and output of combined with a unique new CM-221 Larmor counter data into any IBM PC computer.

A rugged fiber and ruggedly packaged for small or large boat wound fiberglass housing provides selectable operation. Use your computer and standard printer orientation of the sensor and therefore maintains with our MagLog Lite™ software to log, display and operations throughout the world with only small print GPS position and magnetic field data. Model limitations as to direction of survey in equatorial G-882 is the lowest priced - highest performance system. 

The G-858 MagMapper uses a graphical interface to make survey design and data acquisition quick and efficient. Various modes of operation allow the user to custom design a survey grid for their particular needs. The operator also has the ability to view his/her position on the grid and the current data profile during the survey. Sensitivity, resolution and recording rate of the cesium magnetometer are user selectable.

G-858 data acquisition offers either continuous or discrete station recording. The high sampling rate of the instrument in continuous mode allows the operator to survey an area at a fast walking pace. A wider search radius can be achieved by using a gradiometer configuration. As a result over-all costs are inherently lower while data quality remains high.

The G-858 is designed to interface easily with standard computers and peripherals. Geometrics encourages clients to provide their own processing computer hardware. Upon the client's request Geometrics will provide a complete and fully integrated processing station at a nominal price. 

The TSS Compact Motion Sensor (CMS) incorporates the latest silicon gyro technology for the new Millennium. EMC and CE rated user configurable output formats. No data latency DMSView for MS Windows operating system.

The CMS is designed specifically to meet the motion measurement requirements of a diverse spectrum of marine users from single-beam echosounders to dynamic positioning systems. The CMS can accept external velocity aiding for enhanced performance in all weather conditions and during dynamic vessel manoeuvres.

The innovative chassis features a single processing board incorporating the latest in multi-layer surface mount technology to maximise reliability and reduce the overall size of the sensor.

The integration of the latest silicon gyro technology has enabled TSS to offer a balance of cost versus performance. Small, light and with a low power consumption the new CMS offers a family of sensors with performance to match a range of budgets each benefiting from the same high standard of design and manufacture.

 In addition to configurable outputs via the all new DMSView for Windows, the CMS provides real-time heave, pitch, roll and yaw in digital and analogue formats.

HYDROTIDE is a purpose designed recording tide gauge for long term monitoring of tidal activity in unattended remote locations.

Changes in pressure due to changes in head of water are detected by a semiconductor strain gauge transducer. These changes are recorded at pre-set intervals within the data loggers solid state memory.

The pressure transducer is manufactured from titanium and stainless steel and suitable for long term immersion in most liquids. 

The transducer is connected to the logger via a single small diameter cable which also contains a micro bore pipe and thus allows atmospheric pressure to be applied to the rear of the transducers diaphragm. This provides accurate and calibration free compensation for changes in ambient atmospheric pressure.

The HYDROTIDE data logger is housed within a rugged, water tight aluminium enclosure. Connections are made via water tight connectors. Power is provided by a battery pack located within the HYDROTIDE case. This provides sufficient power to operate the unit for five years.

The user has a wide selection of sampling regimes which are preset into the logger using simple MSDOS PC based software. With a typical schedule of data averaged over 10 seconds and the average value recorded every ten minutes, the memory endurance of the system is 138 days.

The HYDROTIDE data logger is programmed to make a number of samples of the pressure transducer each lasting 0.75 seconds. By averaging these over an operator selecteable averaging period, wave motion is filtered out. The average depth value in metres is recorded and time/date stamped. Corrections for water density can be applied by calibrating in situ if required.

The MSDOS PC software allows loggers to be set up and data downloaded. Once downloaded, data may be archived to disk, printed as a time series, graphed, or exported to spread sheets and data bases.

The HYDROTIDE is supplied complete with 1 bar (10 metre) pressure transducer with 15 metres vented cable and operating manual.

SPECIFICATIONS Sensor: Semiconductor strain gauge with atmospheric venting via pipe in cable
 Range: 0 - 10m with automatic atmospheric compensation as standard
 Resolution: 0.0015% (16 bit conversion accuracy) Storage accuracy 0.025% Clock Accuracy: +/- 1 second per month
 Update period : Selectable in 1 second intervals from 10 seconds to 100 hours
 Averaging period : Selectable in second increments (each sample 0.75 seconds approx.)
 Memory: 20,000 records (averaged values)
 Power supply: 9v @ 18 Ah
 Endurance: 138 days at 10 minute logging (20,000 averages)
 Battery endurance: 5 years (at 10 minute logging and 10 second averaging)
 Backup power: Independent Lithium battery for memory back up
 Communications: RS-232 link to PC
 Software: PC MSDOS based. Allows set up, down load and graphing plus export to spread sheets etc
 Construction: IP 67 aluminium case with venting membrane
 Dimensions: 148mm x 76.5mm x 260mm long
 Weight: 3 Kgs 

The RDI ADCP has revolutionized hydrology. It offers faster, more accurate and safer methods of measuring river discharge and surveying river current structure.

Makes discharge and current measurements in a fraction of the time traditional methods require.

Takes many more measurements at once for improved accuracy.
 River traffic is not impeded by cross-river cableways with the RDI system.

The RDI Workhorse Rio Grande ADCP provides customers with reliable and repeatable river discharge measurements and displays the results through it's exceptional, user-friendly WinRiver software.  

Survey HYPACK® MAX's SURVEY program allows the flexibility and power needed to perform your work. It supports GPS, range-azimuth and range-range navigation systems.

It supports single beam, dual frequency, multiple transducer and multibeam echosounders, along with gyros, magnetometers, telemetry tide gauges and other survey devices.

The SURVEY program can be configured to display and track single vessels, multiple vessels, or the main vessel and ROVs or towfish. Users can display the vessel positions against background files of DXF, DGN, TIF, S-57, BSB, C-Map, or VPF file format. 

Data collection in HYSWEEP® is now performed by the HYSWEEP® SURVEY program. This program now has improved time-tagging (sub-millisecond) for all devices.

The HYSWEEP® SURVEY program receives navigation data directly from the HYPACK® SURVEY program. The multibeam and heave-pitch-roll sensors are all connected directly to the HYSWEEP® SURVEY program which displays and logs the combined data.

HYSWEEP® SURVEY is one of the few programs which can provide you with real time quality control information, including Nadir -v- Single Beam statistics.

This allows you to prove to your contractors that your multibeam system does not give results different than single beam measurements.

HYSWEEP® SURVEY also provides for real time painting of the bottom with color-coded depth information. It displays and logs side scan data from multibeam systems and allows for real time feature targeting.