RTK-capable GNSS Compass Smart Antenna

Hemisphere GNSS has introduced the RTK-enabled Vector V320 GNSS Compass. The Vector V320 smart antenna supports multi-frequency GPS, GLONASS, Galileo (future firmware upgrade required) and BeiDou. Designed for the professional marine and marine survey markets, the Vector V320 is characterised as a multi-frequency, multi-GNSS, all-in-one smart antenna capable of both RTK-level positioning accuracy and better than 0.2° heading accuracy in a simple-to-install package. The Vector V320 is the latest in a popular line of GPS/GNSS compasses, including the multi-frequency, multi-GNSS Vector VS330 receiver as well as the Vector V102, Vector V103, and Vector V104 compass smart antennas. The Vector V320... (read more)
2015-04-14 09:57:48

Magellan DG14 RTK GPS Board

The DG14 RTK offers high-precision in a low-cost GNSS unit. The DG14 RTK from Magellan is a sub-meter GNSS (GPS + SBAS) and Beacon receiver. DG14 RTK was developed to meet the needs of demanding high-precision applications for machine control, agriculture, aviation, military, unmanned aerial vehicles (UAVs), robotics, marine survey and navigation. DG14 RTK customers can choose from a fixed centimeter solution or a “flying RTK” decimeter solution. Because it offers an optimized mix of speed and accuracy, the decimeter mode makes DG14 RTK the perfect solution for customers who need decimeter accuracy but don’t want to spend the typical... (read more)
2007-05-25 03:22:20

Harxon Releases New GNSS RTK Rover

Harxon, a China-based developer of GNSS antennas, wireless data transmission products, and satellite communication products has introduced the HX-DU1603D, an advanced high-speed Bluetooth enabled wireless data link that is designed for GNSS/RTK surveying and precise positioning. The HX-DU1603D is a lightweight, ruggedized UHF receiver designed for digital radio communications between 410 and 470MHz in either 12.5 or 25kHz channels, which can be widely used in GNSS/RTK surveying and GNSS precise positioning systems. The HX-DU1603D is equipped with a Bluetooth transceiver for cable-free communications with external devices.  It features an internal, rechargeable battery for ease of use and portability that allows... (read more)
2016-04-25 09:29:29

GNSS PPP-RTK Workshop and Gravity at Sea Symposium

Hydrographic Society Benelux
GNSS PPP-RTK Workshop Hosted by the Offshore and Energy Exhibition at the Amsterdam RAI Conference Centre, the Hydrographic Society Benelux presented the GNSS PPP-RTK workshop in the parallel programme on 14 October 2015. Global Precise Point Positioning (PPP) at decimetre level has been possible for the last 10 years. In the last year real-time kinematic (RTK) techniques using fixing of ambiguities have become possible. This allows centimetre level accuracy on a global scale. During the workshop main service suppliers in the market and uses of PPP-RTK in offshore applications were highlighted as were general techniques. The event was attended by... (read more)
2015-12-01 10:05:25

Six RTK CEESCOPE Echosounder Systems for Australian Navy

Hydrographic echosounder manufacturer CEE HydroSystems recently completed the delivery of several CEESCOPE 200kHz singlebeam echosounder survey systems for the Royal Australian Navy (RAN) hydrographic group based in Cairns, Australia. The CEESCOPE ultra-compact waterproof singlebeam 200kHz sonar systems were supplied with built-in RTK GNSS receivers, UHF radio and activated L-Band subscription differential corrections to give the RAN surveyors flexibility in terms of their satellite positioning solution. Replacing their existing and ageing CEEDUCER echo sounders, the CEESCOPE units will be used for near shore littoral Rapid Environmental Assessment (REA) surveys. For example, a REA may be needed to facilitate safe navigation of a... (read more)
2016-05-20 11:02:02

RTK Positioning Accuracy Maintained during Outages for up to 20 Minutes

During Intergeo, NovAtel introduced its RTK ASSIST service, a subscription-based service that provides users with satellite-delivered correction data to seamlessly continue centimetre-level accuracy during Real Time Kinematic (RTK) correction outages caused by communication disruptions. Users are able to maintain RTK-level performance for up to 20 minutes, reducing any associated downtime and optimising solution productivity. RTK is a method of achieving cm-level accuracy with GNSS. However, if the RTK correction data link to the receiver is interrupted, performance degrades quickly. RTK ASSIST subscribers are able to maintain the accuracy of their positioning solution during these interruptions, avoiding any down-time.  RTK ASSIST... (read more)
2016-10-11 09:14:59

New Features Magellan ProMark 500

New firmware has been released for the ProMark 500 GNSS survey receiver. The new features include backward compatibility with the support of Ashtech RTK data correction format, the ability to use the GSM data mode to receive RTK corrections from a GSM-equipped base (point-to-point communication), and the possibility to use an external CDMA or other type of cell phone to connect to real-time correction sources. Magellan is also introducing new PC software called Real-Time Data Server (RTDS) that allows GPRS communication between one base and several rovers. The base could be a fixed base (with a direct/local connection to the... (read more)
2008-10-20 09:28:19

Upgradeable GNSS Receiver

The C-Nav3050 GNSS receiver has been designed to uprade the C-Nav3050 from a single-frequency receiver to a powerful geodetic instrument. The C-Nav3050 performance upgrade path allows users to adapt to changing requirements via simple software upgrades avoiding the need to purchase costly additional hardware.   C-Nav3050 is powered by the new 66 GNSS channel Sapphire circuit board making the receiver uniquely suited for real-time applications including precise positioning, offshore surveys and engineering, DP input, hydrography (exceeds highest IHO standards), coastal and military applications, marine airborne reconnaissance and survey.   Interference suppression (both in-band & out-band), multipath mitigation, and measurement accuracy... (read more)
2009-08-10 12:05:04

Magellan BLADE GNSS Signal Processing

Magellan has announced its exclusive BLADE (Base Line Accurate Determination Engine) technology, a GNSS processing solution that facilitates centimeter-level accuracy for real-time and post-processing surveys and mapping operations. Magellan’s BLADE combines ranging and carrier phase data from two satellite systems, GPS and SBAS, for superior satellite coverage and signal reliability to enable rapid, centimeter-level solutions. Magellan’s BLADE is the first GNSS processing system that uses SBAS ranging and carrier phase measurements in the RTK data processing. These SBAS measurements, which are GPS-like, improve satellite geometry to allow centimeter-level accuracies to be achieved in a shorter time compared to GPS-only algorithms.... (read more)
2007-05-24 12:00:00

Qualifying Heave Performance at Sea

Comparison of ORE MEMS-based MRU Heave Measurement with RTK-GPS
When accelerometer-based heave units were developed, there were limited options for verifying their performance at sea with a recognised standard. With real-time kinematic (RTK) global positioning system (GPS) devices, surveyors today can achieve accuracies of 2cm in altitude measurement. With the advent of small, low-cost, low-power, micro-electrical mechanical systems being employed for motion-sensing, a compact and cheaper alternative is available to measure heave. We have verified the heave of our motion reference units at sea with RTK-GPS. View Larger Map ORE Offshoreadded heavemeasurement to their pitch-and-roll motion reference units (MRU) in April 2009, which use micro-electrical mechanical system (MEMS) sensors.... (read more)
2009-06-26 12:00:00
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