Category: Applications

  • Col. Bernie Gruber: Farewell Perspective on GPS Program

    This week’s Defense PNT newsletter by GPS World contributing editor Don Jewell carries an exit interview with Col. Bernard “Bernie” Gruber, who is leaving his post as director of the GPS Directorate after more than three and a half years in that position, and concluding his 26-year U.S. Air Force career. Look for the full interview later this week on the Defense PNT newsletter page. To receive subsequent issues of this monthly e-publication subscribe free here.

    Here is an advance look at the extensive interview with a few selected quotes from Col. Gruber:

    “We are working very hard to reduce our costs and invest in different opportunities that have a return on investment like dual launch [of GPS III] and NavSat, or I think it is NibbleSat, as you and Dr. Parkinson referred to it in your article from the National Space Symposium, which we look at  as an augmentation to GPS III. That is a good thing because it can significantly reduce total lifecycle costs of the program. So we continue to look at these, amongst other items, that we will prioritize and spend our development dollars on — items such as Lithium Ion (Li-Ion) batteries, smart solar arrays, that allow you to have more efficient use of power, more efficient power amplifiers, that are significantly shrunk down in size from what we have today. Bottom line is we will continue to work on processes that clearly show a positive value stream.”

    [ . . . . . ]

    “General Sheridan, as you very well know, the prior SMC Commander, had actually given me six goals when I got here. The first of those was fix the gap between OCX and GPS III. If you recall, we had about a 15-month gap in the delivery of those items. The second one was he asked me to transfer the AEP and LADO (launch, early orbit, anomaly and disposal operations) ground segment to our users [the 50th Space Wing] and get that capability to them as soon as we could, so that they could operate it and own it. The third one was fix the IIF production line. The fourth one was to get the MGUE, or military GPS user equipment, back on track and award contracts. The fifth one was build a relationship and continue that relationship with the 50th Space Wing. The last one that he actually gave me was to ready the first space vehicle for GPS III through the GNST, which of course is the GPS III Non-Flight Satellite Test Bed and an engineering, manufacturing and development pathfinder for the GPS III program, used to achieve modernization. And, Don, I am happy to say that we as a team have achieved every one of those goals.”

    [ . . . . . ]

    “I sincerely hope that the GPS III program will be a benchmark for future space acquisition programs, both in terms of the high standards that were set for mission assurance, and the level of communication between our program office and the contractor. The GPS III program is entering the very early stages of testing right now on the first flight vehicle, and I anticipate that we will begin to see the program move down that learning curve in very short order. You know with the 15-year design life, which we put in the contract, along with stringent parts requirements and our priority on systems engineering, I really do expect that the GPS III satellites will operate beyond the standards set by the current constellation. And I do have to say that what we call our “back to basics” approach, that other folks have written about, which includes those attributes of strong systems engineering discipline, detailed manufacturing systems readiness reviews, and strict adherence to standards, are actually now showing tangible and documented results. In some cases a 60-percent reduction in our cycle time and a 70-percent reduction in discrepancies for the next delivered items. I think that is huge.”

  • Leica Geosystems Launches Mobile Mapping Solution Pegasus:One

    Leica Geosystems Launches Mobile Mapping Solution Pegasus:One

    Leica_PegasusOne_web-o
    Photo: Leica Geosystems

    Leica Geosystems has launched Pegasus:One, a flexible, mobile mapping platform that offers an intuitive mobile mapping solution for professionals. Pegasus:One allows service providers to use their existing terrestrial scanner in profiler mode for mobile mapping. Pegasus:One is vehicle independent and comes self-contained in two Pelican cases, enabling users to fly in, map, and fly out.

    The Leica Pegasus:One mobile mapping software platform, ArcGDS, draws on synergies resulting from Leica Geosystems’ recent acquisition of Geosoft S.r.l. and is a complete solution from data acquisition to post-processing to database, Leica Geosystems said. It offers users immediate access to their imagery and point cloud data together in the same GUI. Users navigate visually through their images, clicking in their street views, and can add GIS metadata or calculate distances on the fly. Both the imagery and point cloud are calibrated together, so clicking in one immediately provides access to the data in the other.

    With nearly 1 billion stop signs and 3.9 million miles of public road in the United States alone, transportation-related asset management provides substantial opportunities, Leica Geosystems said. Additionally, the introduction of new driver assisted technology for cars is putting tremendous pressure on transportation departments to document their highway systems to enable this technology to work successfully. The Leica Pegasus:One provides a solution for both applications.

    In the United States, more than 700 thousand billboards exist with new laws limiting the total number of billboards allowed and their placement. Ensuring compliance will generate revenue for states and municipalities around billboard placement, and is now cost effective with the Leica Pegasus:One platform – by simply driving by, Leica Geosystems said.

    “Leica Pegasus:One is an enabling product,” said Stuart Woods, vice president for Leica Geosystems’ Geospatial Division. “By providing a single integrated solution and by making our customers’ scanners mobile, we enable our customers to be more efficient.”

    In situations where users want or can only afford to capture images, Leica offers an image-only system without a scanner. This provides the same calibrated camera and leverages photogrammetry software to calculate distances from the images – ideal for GIS applications. No longer is the only option a “video recorder on wheels” — now images can be used for distance calculations, Leica Geosystems said.

  • Air Force Video Explains GPS Role in Daily Life

    All of us in the GPS industry know someone who only thinks of GPS as a feature of their smartphone. You might direct them to a new YouTube video presented by the U.S. Air Force, which summarizes the worldwide role of GPS. It also touches on the GPS modernization program and new signals.

    The seven-minute video explains in simple terms how important GPS has become to everyday life — for aircraft and ship navigation, global financial transactions, precision agriculture, weather forecasting, disaster relief, and, of course, smartphones.

  • Sign up Now to Experience ‘Nightmare on GIS Street’

    GPS World’s next webinar, “Nightmare on GIS Street: GNSS Accuracy, Datums and Geospatial Data,” is accepting registrations. The webinar will be held Thursday, June 20, 10 a.m. PDT / 1 p.m. EDT / 6 p.m. GMT. Registration is free.

    “‘Nightmare on GIS Street: GNSS Accuracy, Datums and Geospatial Data’” is a look at the challenge of dealing with horizontal datums in your GIS,” explained moderator Eric Gakstatter, survey editor and editor of Geospatial Solutions. “We are moving into a new era in dealing with datum transformations. Geodata 2.0 is coming, and it can create big headaches when attempting to combine disparate geospatial databases. Sensors such as GPS receivers, remote sensing imagery, and 3D scanning provide much more accurate data, setting up a collision with outdated and mismatched legacy horizontal datums.”

    Scheduled speakers include:

    Kevin Kelly,Geodesist, ESRI, Inc.
    Kevin Kelly is a Geodesist with ESRI in Redlands, California where he researches and implements geodetic algorithms and applications for the ArcGIS software. His experience spans over 35 years in hydrography, geodesy, surveying and most recently, geographic information systems. He has held the posts of Manager of Geodetic Services for the Province of Ontario, Chief Geodesist for the Kingdom of Saudi Arabia’s Military Survey Department and Senior Project Surveyor for The Keith Companies (now Stantec, Inc.). Mr. Kelly received a Master of Applied Science in Geodesy at the University of Toronto, Canada and holds an Honors Diploma in Hydrographic Surveying Technology from Humber College in Toronto. He is also a licensed Geodetic Surveyor in the Province of Ontario, Canada.


    Craig GreenwaldCraig Greenwald, Technical Director, GeoMobile Innovations

    Craig Greenwald is the Technical Director and a principal at GeoMobile Innovations Inc. He has worked in the GPS and Mobile GIS industry for over 13 years, including seven years for GIS software leader, ESRI and is well known for his work on the ESRI ArcPad team. Craig leads the GeoMobile software development and consulting team specializing in Mobile GIS and field data collection applications and technology providing Mobile GIS software, consulting, and training services to GeoMobile Innovations? clients. Craig has real world experience designing, implementing, and consulting on all sizes of projects, ranging from local campground trash mapping to the U.S. national census, and has been a key developer in GeoMobile?s commercial applications such as LaserGIS for ArcPad and Geo-Photo Inventory Tool for Garmin GPS solutions.

    Michael L. DennisMichael L. Dennis, RLS, PE, Geodesist, NOAA
    Michael L. Dennis, RLS, PE, is a geodesist at NOAA’s National Geodetic Survey (NGS) where his duties include analysis of geometric (“horizontal”) and vertical datums; evaluation of data processing and survey network adjustment procedures; development and promotion of standards and guidelines; integration of NGS products and services with GIS; and public outreach. Mr. Dennis is also a registered professional engineer and surveyor with private sector experience, including ownership of a consulting and surveying firm. Mr. Dennis is an officer of the American Association for Geodetic Surveying (AAGS), an American Congress on Surveying and Mapping (ACSM) Fellow, and a member of the Arizona Professional Land Surveyors Association and the Geomatics Division of the American Society of Civil Engineers.

    Moderator:

    Eric Gakstatter

    Eric Gakstatter, Editor of Geospatial Solutions Monthly and Survey Scene
    Eric Gakstatter has been involved in the GPS/GNSS industry for more than 20 years. For 10 years, he held several product management positions in the GPS/GNSS industry, managing the development of several medium- and high-precision GNSS products along with associated data-collection and post-processing software.

     

    To learn more about our webinars, visit our webinar page.

  • Lockheed Martin Completes Functional Testing of GPS III Electronic Systems

    A Lockheed Martin-led industry team has completed successful functional integration tests of the spacecraft bus and network communications equipment on the first satellite of the next generation Global Positioning System, known as GPS III.

    The recent testing of GPS III space vehicle 1 (SV 1) bus — the portion of the space vehicle that carries mission payloads and hosts them in orbit — assured that all bus subsystems are functioning normally and ready for final integration with the satellite’s navigation payload. Systems tested included: guidance, navigation and control; command and data handling; on-board computer and flight software; environmental controls; and electrical power regulation. The SV 1 satellite’s network communication equipment subsystem that interfaces with the ground control segment and distributes data throughout the space vehicle also passed all tests as expected.

    This milestone follows February’s successful initial power-on of SV 1, which demonstrated the electrical-mechanical integration, validated the satellite’s interfaces, and led the way for functional and hardware-software integration testing.

    “The successful completion of the SV 1 bus functional check out validates that the spacecraft is now ready to begin the next sequence of payload integration and environmental testing, prior to delivery,” explained Keoki Jackson, vice president of Lockheed Martin’s Navigation Systems mission area.

    GPS III SV 1’s navigation payload, which is being produced by ITT Exelis, will be delivered to Lockheed Martin’s GPS Processing Facility (GPF) near Denver later in 2013. The hosted nuclear detection system payload has already been delivered and mechanically integrated. The satellite remains on schedule for flight-ready delivery to the U.S. Air Force in 2014.

    GPS III is a critically important program for the Air Force, affordably replacing aging GPS satellites in orbit, while improving capability to meet the evolving demands of military, commercial and civilian users. GPS III satellites will deliver three times better accuracy and — to outpace growing global threats that could disrupt GPS service — up to eight times improved anti-jamming signal power for additional resiliency. The GPS III will also include enhancements adding to the spacecraft’s design life and a new civil signal designed to be interoperable with international global navigation satellite systems.

    The U.S. Air Force has produced a video about the GPS satellite modernization program:

    Lockheed Martin is under contract for production of the first four GPS III satellites (SV 1-4), and has received advanced procurement funding for long-lead components for the fifth, sixth, seventh and eighth satellites (SV 5-8).

    The GPS III team is led by the Global Positioning Systems Directorate at the U.S. Air Force Space and Missile Systems Center. Lockheed Martin is the GPS III prime contractor with teammates ITT Exelis, General Dynamics, Infinity Systems Engineering, Honeywell, ATK and other subcontractors. Air Force Space Command’s 2nd Space Operations Squadron (2SOPS), based at Schriever Air Force Base, Colo., manages and operates the GPS constellation for both civil and military users.

    Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company that employs about 118,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services. The corporation’s net sales for 2012 were $47.2 billion.

  • Hemisphere GNSS Announces New Crescent Vector GNSS Compass Module

    H200-W
    Photo: Hemisphere GNSS

    Hemisphere GNSS has launched its new Crescent Vector H200 GNSS compass module, a high-performance receiver for heading, positioning, heave, and attitude. Vector H200 is designed for professional marine, navigation, and land applications in challenging and dynamic environments.

    Vector H200 processes L1 GPS and GLONASS signals to deliver precise heading, greater positioning reliability, and better performance in challenging environments, Hemisphere GNSS said. Through using two separate antennas, Hemisphere GNSS’ patented Vector technology computes the heading and pitch or roll angle while stationary or in motion. Vector H200 can compute heading accuracy to 0.02 degrees using a 5-meter antenna separation. A variety of differential correction methods also make it possible for Vector H200 to provide sub-meter to centimeter position accuracy.

    Marine industry developers can maximize performance by integrating Vector H200 into their systems for hydrographic and bathymetric surveys, auto-pilots, dredging, and buoys. For land applications, Vector H200 is ideal for aligning cameras, antennas and projectiles, and for machine control applications in agriculture, construction, and mining.

    “System integrators have a lot to gain from Vector H200’s powerful combination of navigation and machine control orientation capabilities,” said Ron Ramsaran, Sr. Product Marketing Manager at Hemisphere GNSS. “They will appreciate the performance and value from such a small board package.”

    Vector H200 supports SBAS, L-Band and RTK differential positioning solutions and features our exclusive SureTrack technology optimizing the use of GPS and GLONASS signals. Hemisphere GNSS offers precise GNSS antennas to fit a variety of Vector H200 applications.

  • Leica GeoMos Scanning Works with MS50 for Deformation Monitoring

    Leica GeoMos Scanning Works with MS50 for Deformation Monitoring

    Newly released Leica GeoMoS 6.0 software includes automatic scanning and deformation analysis integrating the new Leica Nova MS50 MultiStation to scan areas of inaccessible manmade and natural structures. The monitoring data is also processed automatically with the new n.Vec technology implemented by Leica Geosystems. Color-coded, visualized 3D deformation clouds enable easy analysis and interpretation of movements so users can make the right decisions to rectify static problems or protect peoples’ lives.

    Leica Geosystems announced version 6.0 at a media event held during the HXGN Live conference in Las Vegas today.

    Leica GeoMoS Scanning is an automatic scanning solution fully integrated into Leica GeoMoS Monitoring Solution. This ensures fast integration with existing Leica GeoMoS projects and an easy start for new users, Leica said. In addition to total stations, GNSS, tilt and geotechnical sensors, highly detailed scanning can now be added to the automated measurement cycle. The new scanning module is easy to configure and provides the complete workflow for automatic acquisition and processing of the data to visualize deformations and to notify key personnel in the case of an event. With Leica GeoMoS Web, the data can be accessed anywhere at any time.

    Leica GeoMoS 6.0 enhances conventional monitoring methods with automatic scanning of surfaces with the Leica Nova MS50 MultiStation. Used for inaccessible places or locations where prisms cannot be installed, e.g. a road cover, a roof, a pipeline or a natural structure, Leica GeoMoS real-time scanning solution monitors any deformation and makes sure that no movement is undetected. The big advantage of using the Leica Nova MS50 MultiStation is that it combines laser scanning and prism monitoring, and therefore the measurements to stable control points guarantee highly accurate setup corrections, including orientation and translations. Additional imaging functionality complements the set by providing yet another information source for better deformation analysis. The implemented scan wizard allows the image-assisted definition of scan areas using different parameter settings and different scan result types. Once defined, the scan area can be scanned manually and via the automatic measurement cycle.

    Leica GeoMoS 6.0 enhances conventional monitoring methods with automatic scanning of surfaces with the Leica Nova MS50 MultiStation.
    Leica GeoMoS 6.0 enhances conventional monitoring methods with automatic scanning of surfaces with the Leica Nova MS50 MultiStation.

    The new scanning feature uses all current automatic functionalities such as automatic measurement cycle scheduling, real-time notification via e.g. SMS/email, automatic limit level check, etc. In addition, the embedded point cloud and image viewer assures powerful 3D visualization of all results using color-coded deformation clouds with a fully traceable history of deformations of the scanned area.

    The new n.Vec technology in Leica GeoMoS 6.0 provides automatic scan cloud processing to deliver the real-time information about deformations. The data can quickly and easily be interpreted for informed decisions. Leica Geosystems’ unique n.Vec processing technology uses normal vectors to determine movements in man-made and natural structures through color-coded deformation maps. The deformation maps are created by comparing normal vectors from a reference epoch and the current epoch. To ensure maximum deformation interpretation quality, in an iterative and fully automatic procedure, n.Vec removes non-surface related scan artifacts to ensure uncontaminated surfaces and hence correct normal vectors.

     

  • Leica Announces Nova Measurement System at HXGN Live

    Leica Announces Nova Measurement System at HXGN Live

    Leica-Nova-MS50-plant
    Photo : Leica Nova
    The Leica media event at HXGN Live Conference in Las Vegas. Photo : Leica Nova
    The Leica media event at HXGN Live Conference in Las Vegas. Photo : Leica Nova

    At a media event held during the HXGN Live Conference in Las Vegas today, Leica Geosystems introduced several new products. The highlight of the event was presentation of Leica Nova and the Leica Nova MS50 MultiStation.

    The Leica Nova measurement solution is designed to provide users with a complete and seamless workflow, Leica Geosystems said. It integrates advanced measurement technology, modern and intuitive field software, intelligent office software, and Leica’s services to give users the ability to make faster, smarter decisions, across a range of applications. The flagship of the new solution is the Leica Nova MS50 MultiStation, which combines scanning, total station, imaging and GNSS positioning in one instrument to deliver fast and reliable results.

    Leica Nova uses advanced measuring technology that provides accuracy and quality, yet is easy to use for an unprecedented range of applications, Leica said. The Leica Nova solution covers the complete process from capturing and visualizing data, to creating intelligent deliverables that shape the world. Whether users measure objects on a construction site, quickly calculate volumes, monitor a dam or a bridge, capture an accident scene with digital imaging or scan a façade, Leica Nova integrates all these capabilities in one compact, flexible solution.

    The Leica Nova MS50 MultiStation. Photo : Leica Nova
    The Leica Nova MS50 MultiStation. Photo : Leica Nova

    The Leica Nova MS50 MultiStation combines every significant measuring technology in one device for the first time, Leica said. Precision 3D scanning, extensive and precise total station capabilities, digital imagery and GNSS connectivity are brought together in the multistation. The new mergeTEC technology fuses hardware capabilities with comprehensive data-management solutions. Images are synchronized with scans, and scans are tied into total station measurements, making it easy to manage complex 3D data, Leica said.

    The Leica Nova MS50 integrates 3D point cloud measurements into regular survey workflows. Users can collect and visualize their topographic survey data with detailed high-precision scans. They save time by computing results and verifying the integrity and completeness of data immediately in the field, avoiding costly reworking or returns. Ultimately, users benefit from better decisions with richer and more detailed data.

    Also part of the innovative new Leica Nova solution are the Leica Nova TS50 high-precision total station and Nova TM50 monitoring station.

    The Leica Nova TS50 high-precision total station has 0.5-inch angular accuracy and an optimum combination of angle and distance measuring. Integrated overview and telescope cameras with fatigue-reducing autofocus document the scene with high-quality photogrammetric images using the latest SmartWorx on-board software.

    The Leica Nova MS50. Photo : Leica Nova
    The Leica Nova MS50. Photo : Leica Nova

    The user sees on the remote control display exactly what the Leica Nova TS50 sees, allowing for easy one-person data capture. The Leica Nova TS50 allows full control through “tap and turn” without the need to go to the instrument and back again. The 20-Hz live video stream can be combined with a graphical overlay for cost-effective recording with immediate clarification of ambiguous situations. Together with the benefits of GNSS connectivity, the Leica Nova TS50 offers complete versatility by delivering reliable results, Leica said.

    For critical monitoring tasks, the new Leica Nova TM50 monitoring station provides the highest angle accuracy and offers short measurement cycles through high speed Piezo drives and a fast, highly accurate EDM. The Leica Nova TM50 includes 0.5″ angular accuracy and can measure up to 3’000 meters, which makes it the ideal sensor for monitoring tasks in mines, landslides, etc. For additional documentation, the monitoring sensor includes an overview camera and a telescope camera with 30x magnification and autofocus. The Leica Nova TM50 meets the challenge of 24-hour-a-day, 7-days-a-week monitoring applications. The Leica Nova TS50/TM50 instruments are IP65 rated and designed to withstand the roughest use in the most severe environments.

    Leica GeoMoS 6.0 enhances conventional monitoring methods with automatic scanning of surfaces with the Leica Nova MS50 MultiStation. Photo : Leica Nova
    Leica GeoMoS 6.0 enhances conventional monitoring methods with automatic scanning of surfaces with the Leica Nova MS50 MultiStation. Photo : Leica Nova

    The Leica software portfolio includes the following:

    • With the new Leica Infinity software, users can seamlessly manage, visualize, process and georeference combined total station, imaging and scanning data from the Leica Nova MS50 MultiStation and other Leica Geosystems sensors.
    • For AutoCAD users who have never before worked with rich point clouds or 3D datasets, the new Leica MultiWorx for AutoCAD plug-in software offers a simple way to integrate point cloud processing into existing workflows.
    • Leica Cyclone and Leica GeoMoS as well as numerous other software packages from partners such as MicroSurvey and Listech can also be integrated into the workflow to meet specific needs.

    Here is a video of the Leica Nova MS50.

  • Nexteq Navigation Offers Platform for Accelerating GNSS Receiver Development

    Nexteq Navigation Offers Platform for Accelerating GNSS Receiver Development

    Nexteq Navigation has launched accelGRx, a platform for accelerating professional-grade GNSS receiver development. The platform provides open and production-ready hardware and software building blocks for GNSS receivers. accelGRx is designed for organizations looking to research and develop new techniques and algorithms requiring deep in-receiver integreation or quickly produce a small, high-performance receiver.

    accelGRx supports GPS L1 and Beidou B1, and the hardware is GLONASS and Galileo ready. It pairs a compact form factor and industry standard pin layout with a code and phase precision of 4 cm and 0.4 mm respectively for both GPS L1 and Beidou B1. It incorporates an array of software development tools, including the ability to record and play back digitized signals.

    An accelGRx licensee wil have tools to develop and test new deep in-receiver integration techniques and algorithms:

    • Access to all source code, logic and tools
    • Deep in-receiver access to real-time GNSS information
    • PC-based software model of receiver platform
    • Store and playback of digitized signals for development and testing
    • Testing with production-ready receiver and real-world conditions

    An accelGRx licensee will have the necessary assets and tools to begin commercialization immediately after development is complete:

    • Hardware design (schematic, PCB layout, and BOM)
    • FPGA logic design
    • Full tracking and PVT source code
    • Receiver operating system
    • Design documentation and manuals

    Nexteq also released two other products:

    matrixRTK is a combination of the PPP and network RTK approaches to benefit network-RTK vendors. matrixRTK has the benefits of network RTK (fast initialization) with the benefit of PPP (no baseline restrictions).

    L1-RTK-systems is a solution that allows our handheld users to use 2/L1 high sensitive GNSS handhelds working as base and rover to achieve 2-20 cm level accuracy. This is a reliable and cost-effective solution for field workers, Nexteq said.

  • GPSTrackIt Provides Safety Feature to Fleet Drivers

     

    The Instant Alert Device enables drivers to immediately notify dispatch. Photo: GPSTrackIt
    The Instant Alert Device enables drivers to immediately notify dispatch. Photo: GPSTrackIt

    GPSTrackIt has developed an Instant Alert Device that can attach to a driver’s keyring, to enable mobile workforce team members to communicate with their dispatchers or fleet managers. If a driver is in trouble, help can be on the way with the touch of a button.

    The compact communication device enables drivers to signal for help even if they’re not with the vehicle. Dispatchers are alerted that a driver is in trouble, and can provide vehicle location information to first responders for expedited assistance.

    “The device works in a similar fashion to an electronic key,” explains Eddie Bermudez, GPSTrackIt product manager. “It’s a small plastic box with a single button on it. The driver can carry it on his or her keychain. So even if they’re not with the vehicle they can still call for assistance.”

    When the button on the device is depressed, it sends a signal wirelessly to a receiver connected to the tracking device in the vehicle. The Instant Alert Device has a range of up to 500 feet.

    Bermudez offered an example. “Let’s say you dispatch someone to a remote oil field and there is no cellular communication out there. The tracking device uses both GPS and satellite communications, a combination that provides optimum coverage. The worker can use the Instant Alert Device to notify their team members back at the office if something is wrong or to acknowledge the completion of a task. This gives real-time, up-to-the-minute notifications to the alert contacts via Fleet Manager.”

    The feature can be used with any type of switch, button or Power Take Off (PTO) that connects to an input wire on the tracking device.

  • C-Nav Solutions Offers C-Tides GNSS Tide Measurement Package

    C-Nav, supplier of international GNSS Precise Point Positioning services, has launched its latest GNSS real-time tide measurement package, C-Tides.

    The C-Tides suite combines the vertical accuracy of C-Nav’s GNSS Precise Point Positioning service with the latest advanced ocean and coastal tides models, the company said.

    C-Tides Online features real-time filters and vessel dynamics, a choice of worldwide Mean Sea Surface or regional reference frame models, and tidal prediction for mission planning.

    C-Tides Offline utilities include data smoothing and outlier rejection, harmonic analysis, Doodson X0 filter, and a LAT option.

    “It’s been a privilege working with our academic partners to develop what is probably the worlds’ most advanced real-time GNSS tide solution,” said Russell Morton, C-Nav head of development.

    C-Tides is a fully supported C-Nav utility. The results are suitable for combining with other suitably calibrated vertical components to achieve IHO SP44 Order 1 or better.

  • GPS Tracking Used to Honor Storm Chasers

    The storm chasing and weather community is honoring three storm chasers killed in an Oklahoma tornado on Friday. Tim Samaras, his son Paul Samaras, and Samaras’s chase partner Carl Young are being honored via the Spotter Network, where their initials are being spelled out.

    The Spotter Network is a website used by storm chasers to follow weather movements. Users have been adding position locations to spell out the initials TS, PS, and CY, shown here in an image at sfgate.com.

    The Samarases were well known to TV viewers, having been prominent subjects of the Discovery Channel series “Storm Chasers” and frequent contributors to The Weather Channel. They weren’t working for either channel last week, both networks said.