The Trimble GuidEx machine guidance system is an advanced navigation solution to guide machines along route corridors or to specific target areas.
Photo: Trimble
Trimble has introduced the Trimble GuidEx Machine Guidance System, an advanced machine navigation solution intended to quickly and efficiently guide machines along route corridors or to specific target areas, while providing local awareness using customer-provided mapping or engineering data to create exclusion and inclusion zones.
Trimble GuidEx uses an integrated GNSS and inertial navigation system (INS) to compute a virtual reference point and precise heading, pitch and roll.
Users can install the Trimble GuidEx system on anything from utility terrain vehicles (UTVs) to heavy equipment, on- or off-road.
Trimble GuidEx provides streamlined design-stakeout navigation that eliminates the need for advance survey stakeout operations. This enables machine operators to navigate to an exact point without stakes or surveyors, such as for core-sampling operations.
Corridor navigation allows users to efficiently complete a range of tasks including clearing paths for access routes and plowing snow. With comprehensive local machine data-logging, contractors can capture a range of data including position, time and speed.
“Trimble GuidEx was built to meet the needs of natural resource exploration activities, but can be used for many other applications,” said Scott Crozier, vice president of Trimble Civil Construction. “This system improves productivity and awareness with easy, efficient, task-specific navigation.”
To ensure work is done exactly where it should be, proximity and zone breach alarms can be set based on custom exclusion and inclusion zones.
Regardless of the equipment or the application, Trimble GuidEx uses customer-provided data to keep operators aware of prohibited or dangerous areas and decrease time and money wasted on unnecessary work.
Trimble GuidEx provides crossline navigation along predefined routes via an integrated software-based lightbar viewed on the display, including visual and audible alarms when operators breach user-defined distances from a centerline. The system also provides point and pad navigation information with intuitive navigational arrows, supported by a wide variety of data recording settings.
Compatible with virtually any machine type, Trimble GuidEx connects equipment to the office to keep everyone aligned. Operators and supervisors can send mapping data to and from the machine and office to avoid rework.
Reliable guidance data allows contractors to track machines by time or user-defined event triggers for a more accurate representation of the machine utilization cost of a project. Trimble GuidEx can leverage real-time kinematic (RTK) and CenterPoint RTX correction services for enhanced high-accuracy positioning.
A new space agency launched in Europe today, taking the place of the European GNSS Agency (GSA) and adding responsibilities to encourage Europe’s space enterprises.
The European Union Agency for the Space Program (EUSPA) marks the start of a new era for European Union space, according to an agency statement. EUSPA will build on the legacy of the GSA, which was established to promote use of Galileo and EGNOS, with additional responsibilities to create even more opportunities from space for European Union citizens and its economy.
An April 27 space regulation established EUSPA. Under the new space regulation, EUSPA’s mandate includes promoting Galileo and EGNOS, but with increased responsibilities, including their service provision and operational security. The agency also will coordinate the user-related aspects of government satellite communication in close collaboration with Member States and other entities.
Including Copernicus
Rodrigo da Costa, executive director, EUSPA (Photo: EUSPA)
EUSPA is also responsible for the development of downstream markets and fostering of innovation based on Galileo, EGNOS, and now also commercial uses of Copernicus (Europe’s Earth observation satellite program), leveraging funding mechanisms such as Fundamental Elements and Horizon Europe.
EUSPA is also responsible for security accreditation of all the components of the EU Space Program. The European Commission may also decide to entrust the agency with other tasks.
“More and more, our economies, our society and our safety depend on space,” said EUSPA Executive Director Rodrigo da Costa, former director of GSA. “Europe has incredible opportunities ahead that cannot be missed. By creating EUSPA, the European Union will further increase the return on investment made by EU citizens in the EU Space Program by strengthening its contribution to the priorities of the union. We will achieve this primarily by leveraging synergies between the various program components — particularly navigation, Earth observation and secure communications — to drive innovation across a broad range of sectors.”
In particular, bringing management of downstream and combined applications based on Galileo, EGNOS and Copernicus under the umbrella of one agency will make it possible to leverage synergies, according to the agency statement. “On their own, these technologies can play a key role supporting a digital and green transformation, but leveraging their synergetic and combined use will facilitate the generation of innovative solutions that bring a higher societal impact,” the statement read.
Focus on security
“The teams of committed professionals we have in place at our sites in Europe — from the EGNOS center in Toulouse to the European GNSS Service Centre in Spain and the Galileo Reference Centre in the Netherlands — will continue to ensure the high quality, robustness and reliability of EUSPA’s service provision,” reads the statement. “This will be backed up Galileo security monitoring centers in France and in Spain, and the industrial teams managed by EUSPA in the Galileo control centers in Germany and Italy, along with facilities around the world.”
In addition, the Security Accreditation Board will continue to initiate and monitor implementation of security requirements to ensure a robust and uniform level of security for the entire EU Space Program.
“The new agency has a core role in the security accreditation of all the components of the EU Space Program,” said Bruno Vermeire, chair of EUSPA’s Security Accreditation Board.
Looking to the future
While EUSPA’s mission has expanded, its core aim remains the same – to link EU investment in space to the needs of users in the European Union and around the world.
“The agency remains committed to its traditional users and will continue to deliver the high level of GNSS services that users have come to rely on,” the agency stated. Copernicus and satellite communications will also benefit from the former GSA’s user-oriented focus and “the experience it has gained in developing markets for Galileo and EGNOS.”
Fucino, Italy, hosts a Galileo Control Centre. (Image: Telespazio/ESA)
It said policymakers “could consider selecting the most resilient technologies as the cornerstone of the PNT suite for military missions, rather than defaulting to GPS.”
The 51-page report takes a comprehensive view of alternative PNT policy and leadership across the department. Its findings are an interesting and informative look at issues and efforts.
Increasing demands
The report comes at a time when U.S. forces have been seeing increasing interference with their own and allied GPS-enabled systems. The Organization for Security and Cooperation in Europe has regularly reported that its surveillance drones in the Ukraine have been jammed. Chinese press recently bragged that jamming caused U.S. Navy ships in the South China Sea to switch from using GPS to the Chinese BeiDou system. Additionally, U.S. military commanders have regularly described the Middle East as the most contested electronic warfare area on the planet, in large part because of regular interference with GPS signals.
The GAO study also comes on the heels of a provision in the National Defense Authorization Act (NDAA) for this year which directs DOD to provide non-GPS PNT to combatant commanders by 2023. The act says this timeline is consistent with responding to Joint Urgent Operational Needs, a formal method for commanders to communicate with department leadership. According to some sources, this suggests that the Pentagon has been receiving such requirements from field commanders, but has not responded to them in what Congress considers a timely manner.
Alternative PNT “not a priority,” resisted
Despite chronic GPS signal interference across the globe, outside experts and officials across the DOD told the GAO study team that developing alternative sources of PNT was not a priority for DOD. One example cited was the lack of a central program office.
One expert said, “PNT — It’s everyone’s need, but nobody’s business.” Another expert said, “Everyone wants to use [PNT], no one wants to pay or care for [PNT].” One DOD official characterized alternative PNT as an afterthought. DOD’s PNT Roadmap states that PNT capabilities, despite being mission critical, are not normally considered a key requirement, but rather may be treated as “a second-tier requirement.”
Worse, the report indicated that some forces within the department resist alternative PNT efforts.
According to one DOD official cited anonymously in the report “bureaucratic and political obstacles [represent] the biggest challenges for alternative PNT” and “anything that threatens GPS, such as alternative PNT technologies, faces pushback.”
The report cited another DOD official as agreeing that “there is an impression that the GPS program has a lot of political clout within DOD, and that those trying to develop alternative PNT technologies may face political challenges.”
Realistic requirements
Many missions do not need the accuracy provided by GPS, according to the report. Nevertheless. DOD programs often default to GPS performance standards when developing requirements. Many alternative technologies, while more resilient, are unable to achieve the same accuracy as GPS and therefore fail to meet the over-stated requirements.
Open architecture
Both DOD and GAO see development of modular open system architecture (MOSA) as key to PNT success in the future. This will allow addition of new PNT sources to a platform without the need for a major retrofit. With MOSA, all that would be needed is a new sensor module for the desired PNT source.
The GAO report endorsed this approach and encouraged DOD to institutionalize it with dedicated funding.
Working with industry
Decades of civil GPS use have benefited DOD in many ways. Broad academic and commercial research has resulted in a host of applications and improvements in the size, weight, and power requirements of equipment, as well as lowered costs. These benefits would almost certainly not have been realized at the current scale if the market for GPS equipment and apps had been restricted to military users.
The 2021 NDAA directs the department to “…enable civilian and commercial adoption…” of the GPS alternative technologies it develops for field commanders. The GAO report suggests DOD also work to leverage industry advances in technologies.
Scope and recommendations
GAO’s tasking for this effort did not include examining efforts to make GPS signals and equipment more resilient to disruption, nor use of non-U.S. satellite navigation systems. Neither were non-defense uses of PNT, nor improvements in such things as tactics, techniques, and procedures considered.
The study focused solely on department efforts to complement GPS services.
Six recommendations for policymakers are included in the report:
Increase Collaboration — Consider mechanisms to coordinate across DOD to clarify responsibilities and authorities in prioritizing the need for alternative PNT technologies.
Focus on Resiliency — Consider selecting the most resilient technologies as the cornerstone of the PNT suite for military missions, rather than defaulting to GPS.
Clarify Requirements — Consider opportunities to clarify what level of PNT performance is actually needed for missions, rather than defaulting to requirements that match GPS performance.
Coordinate with Industry — Consider ensuring that DOD and commercial industry coordinate so that industry is prepared to meet DOD’s needs, and DOD can leverage industry advances.
Institutionalize Open Architecture — Consider making the open architecture initiative more permanent, including providing funding.
Analyze Vulnerabilities — Consider having DOD conduct ongoing analysis of vulnerabilities of different PNT systems.
The May 2021 GAO report “Defense Navigation Capabilities: DOD is Developing Positioning, Navigation, and Timing Technologies to Complement GPS” is available here.
The new display can be easily read in sunlight. (Photo: Bad Elf)
When survey receiver maker Bad Elf set out to make its new Flex device, they knew they had to make the battery last longer. But the device’s screen was eating up power, shortening surveyors’ time in the field.
“As we were building out the idea for Bad Elf Flex, we knew surveyors wanted four things: sunlight readability, a backlight for night visibility, ability to read the screen from a distance of one meter, and a long battery life,” explained Larry Fox, vice president of marketing and business development at Bad Elf. “We found many different display types, but they were all power hungry and not a great fit for surveyors who need to be in the field for a full day.”
After researching options, Bad Elf determined that transflective display technology could offer the power savings and visibility required. The Flex uses Azumo’s reflective LCD technology — a sheet of plastic the width of a human hair. Adhered to the device’s screen stack, it uses a front light instead of a power-hungry back light. The change allows for 90% energy savings.
The new Flex is popular with Bad Elf customers. “They’re getting the kind of quality they want in a high-end receiver, with the affordability they desire. It’s easy to see in the sun, and compatible with a wide variety of apps,” Fox said.
There’s strength in numbers. That’s why antenna systems are increasingly upgrading from single-input/single-output (SISO) architectures to multiple-input/multiple-output (MIMO).
Whether it’s military communications, public safety, smart meters or smartphones, more antenna elements increase channel capacity, reduce transmitting power and increase resistance to multipath fading.
But the smaller the device, the more challenging MIMO becomes from a design perspective, such as providing ample isolation between each antenna element.
The Pantheon MA750 antenna. (Photo: Taoglas)
That’s key for ensuring that they don’t interfere with one another, which would reduce channel capacity and system performance. For example, the Taoglas Pantheon MA750 is just 85.7 mm tall, with a 145.6 mm diameter, yet its five antennas have 20 dB+ of isolation.
Three additional key features to look for are high radiation efficiency, low envelope correlation and a built-in ground plane, which provides the flexibility to mount the antenna on metal or plastic without affecting performance.
For applications with long cable runs, such as 10 m, low-loss cables are critical for ensuring that a MIMO antenna can establish and maintain a reliable connection. If the antenna is likely to get wet or struck, it is best to use models with IP67 housings made with ultra-durable materials, such as Wonderloy PC-540 PC/ABS alloy.
Enova Robotics makes security robots. “At Enova Robotics, we know reliability is imperative when you are in the business of security and surveillance. That’s why we chose to work with Taoglas and chose their Pantheon MA750 for our PGuard Robot,” said Ahmed Dimassi, production and supply manager, Enova. “This unique antenna delivers powerful MIMO antenna technology, and we knew we could rely on their team to reduce the risks and time associated with integrating it into our technology.”
GPS-based navigation tool with multi-band GNSS provides reliable, accurate heading and position information
Garmin International Inc. has launched the MSC 10 marine satellite compass with multi-band GNSS and a fully integrated attitude and heading reference system (AHRS) for a smooth and accurate GPS-derived heading and position on the water.
“Garmin was the first to deliver a marine positioning receiver and antenna utilizing multi-band GNSS support, and we’re pleased to continue to bring this innovative technology to our customers with the MSC 10 satellite compass,” said Dan Bartel, Garmin vice president of worldwide sales. “An advanced navigation tool, the GPS-based MSC 10 won’t be impacted by magnetic interference, so even in challenging situations, you’ll know exactly where you’re headed.”
Utilizing both L1 and L5 GPS frequencies, along with multi-constellation support (GPS, Galileo, GLONASS and BeiDou), the MSC 10 provides precise positioning and heading accuracy within 2 degrees. Its 10-Hz position update rate delivers better, more detailed tracking information. By using satellite signals, it eliminates magnetic interference, which can degrade heading accuracy.
The MSC 10 is easy to install and can be used as the primary position and heading sensor across multiple systems, including autopilots. Along with heading, the MSC 10 will also deliver reliable, precise pitch, roll and heave information — even in rough seas — to a compatible Garmin chartplotter via the NMEA 2000 network. In the rare case that satellite signal is lost, it will seamlessly transition from GPS-based to a backup magnetometer-based heading.
NMEA 2000 certified, the MSC 10 is compatible with a wide range of Garmin chartplotters, including the GPSMAP 8400/8600 series, the new GPSMAP 7×3/9×3/12×3 series, and the keyed GPSMAP 10×2/12×2 series.
The MSC 10 is expected to be available this month.
Edge of Tropical Storm Eta seen from NOAA WP-3D Orion N42RF Kermit on Nov. 10, 2020. (Photo: NOAA)
Hurricane season starts June 1. Every year on that date, two Lockheed WP-3D Orion aircraft and a crew from NOAA’s Aircraft Operations Center deploy as “Hurricane Hunters,” flying directly into violent hurricanes to perform aerial weather reconnaissance.
Data gathered helps forecasters make accurate predictions on hurricane strength, direction and threats to land and life. But what is it like to fly these missions? What navigation tools and instruments are used? How do weather conditions impact these flights?
On May 27, the Institute of Navigation will host a webinar presented by Lt. Cmdr. Brian Richards, WP-3D Orion navigator and training section chief for NOAA’s Aircraft Operations Center. Deborah Lawrence, Federal Aviation Administration, will moderate. Space is limited; register early to secure a spot.
“Hurricane Hunters: Navigating a Plane through a Hurricane” Thursday, May 27, at 11:00 a.m. EDT
A May 5 webinar about the GPS Backup Technology Demonstration by the U.S. Department of Transportation (DOT) provided valuable insights about the project and intended way forward for PNT efforts in the department.
It also evolved into a policy discussion with former government leaders saying establishing alternative positioning, navigation, and timing (PNT) systems would make GPS safer by “taking the bullseye off,” and that “the time is now, before it is too late.”
The webinar, titled “What Technologies Can Secure GPS?”, was hosted by the Space Policy Institute at George Washington University (GWU). A bipartisan constellation of civil PNT stars gathered to participate in the event.
Featured in the webinar were:
introductory remarks by Robert Hampshire, chief scientist for the U.S. Department of Transportation (DOT). He has also been nominated to be DOT’s assistant secretary for research and technology.
a presentation by Karen Van Dyke, director, Positioning, Navigation and Timing for DOT, and Andrew Hansen of DOT’s Volpe Transportation Systems Center.
discussion of the issues by Diana Furchtgott-Roth, adjunct professor at GWU and a DOT deputy assistant secretary during the Trump administration, and Greg Winfree, director of the Texas Transportation Institute at Texas A&M University and DOT assistant secretary during the Obama administration, both of whom led civil PNT issues for the federal government during their time in office.
Scott Pace, director of GWU’s Space Policy Institute, serving as moderator; he was executive secretary of the Space Council during the Trump administration.
Hampshire opened the event with an address that touched on Biden administration themes of “building back better,” modernizing infrastructure, reducing transportation deaths, making transportation more efficient, and preserving America’s technological leadership. All of these were linked to the need to improve PNT resiliency and reliability.
Robert Hampshire, U.S. DOT chief scientist, speaking at GWU webinar on May 5. (Image RNT Foundation)
Backup tech demo did not close any doors
Van Dyke and Hansen then gave a presentation on the results of the department’s technology demonstration project.
Van Dyke pointed out that, while “GPS backup” may be a popular term, we need complementary capabilities that come into play not just when GPS is unavailable but work alongside it and provide additional capability and resilience all the time.
She also mentioned that the department is well aware there are more candidate technologies than those selected for the demonstration. Companies offering other ways of providing PNT will not be excluded from future consideration and efforts just because they were not part of the demonstration project.
Also, while the government collected the data during the demonstrations, she acknowledged that the effort was designed to “showcase the technologies in their best light.” Further study, stress testing, and evaluation will be needed for any system or technology that might be of interest to the government.
Key elements in the demos
Hansen discussed the particulars of how the technology demonstrations were conducted and some of the results. While the department evaluated 14 measures of effectiveness during the project, Hansen said that two were key — accuracy and coverage per unit of infrastructure.
All the technologies demonstrating timing showed accuracy that would be useful across a wide range of applications, he said. Positioning accuracy, though, varied from a “ones of meters to around 300 meters” depending on the technology.
Hansen said that coverage per unit of infrastructure varied exceptionally between the technologies. These included satellite systems that provide global coverage with a fixed infrastructure, and radio frequency systems with widely different coverage areas per transmitter.
He also observed that the technology demonstration project was not the end of the department’s technical inquiries. In fact, some of its results—such as eLoran performance in an underground scenario—were unexpected and are being further examined.
Transportation has some of the most stringent PNT requirements for accuracy, integrity, availability, and reliability, he said. And not all safety-critical transportation requirements may be met by market-based business models. Commercial systems lack the open standards and specifications that have made GPS so useful and widely adopted. Hansen said that the department will be working on these issues going forward, as well as performance monitoring for alternative systems.
A recurring theme throughout the webinar from all participants was that there is no single solution, no silver bullet, to achieve sufficient national PNT resilience. A systems-of-systems approach was needed. In Hansen’s words “a plurality of complementary systems” is required to ensure PNT reliability and safety, as well as efficient transportation.
Take the bullseye off GPS! — An urgent national security issue
While agreeing with the systems-of-systems approach, Greg Winfree pointed out that a first step still needs to be taken. He said that the nation has known about the need for alternate PNT since a 2001 report by DOT’s Volpe Center. Twenty years later, still no long overdue first step has been taken.
Just establishing the first alternative and complementary system, Winfree said, will make GPS and the United States much safer. “We need to take the bullseye off of GPS,” he said. GPS is so critically important to this country that it is a very attractive target for those who would do us harm. Having even one just alternative in place would make it much less of a target.
Diana Furchtgott-Roth pointed out that China, Russia, Iran and others have terrestrial systems that complement space-based PNT. About establishing alternatives, she said “The time is now, before it’s too late.”
Provisions in the United States National Space Policy provide that “[a]ny purposeful interference with or an attack upon the space systems of the United States or its allies that directly affects national rights will be met with a deliberate response at a time, place, manner, and domain of our choosing.”
Scott Pace also commented that an having an alternative to GPS will contribute to national security and improve global stability. It will “lower the pressure on us to escalate and respond” should GPS satellites be damaged, or services disrupted, he said.
Next steps
One of the questions posed at the end of the session was about actions and expected accomplishments in alternate PNT at DOT in the next 18 months. When could the first alternative system be expected?
The DOT technology demonstration report recommended that the department work next to develop standards and requirements for alternative systems. Current government employees were appropriately reluctant to say much more.
Calling upon her recent experience in government, however, Diana Furchtgott-Roth that said she believed that the department needed time to stress test technologies, develop standards and finalize requirements. Since many capable technologies were mature, some already in operation, she thought the first capability could be up and running within a year after that.
The only missing element according to Furchtgott-Roth is funding, and the focus needs to be on motivating Congress to provide it. The stage is set, she said, with all parties agreeing on the importance of resilient PNT.
She observed that it is very difficult to get the two parties in Congress to agree, and to pass legislation. Yet this has happened three times in support of establishing GPS alternatives. And PNT is such a critical capability that the entire executive branch even came together to protect it last year opposing the FCC’s decision in the Ligado Networks application.
She also related that, when she was in office, she requested $15M for the current fiscal year to do needed stress testing and standards development, but the funding did not appear in the budget.
One reason could have been questions she was asked about whether it is the government’s job to pay for an alternative to GPS, she said.
As a conservative economist her answer was and is a resounding “Yes.” The national need is beyond the business model of one company or private entity. That is something also suggested in DOT’s report on the tech demo.
Also, “enormous value and vast efficiencies” come from one entity funding such a utility, she said. “Just as the government funds national defense, it should also provide a complement to GPS.”
George Washington University’s Space Policy Institute reports a recording of the webinar will be posted on YouTube within the next week.
Dana A. Goward is President of the Resilient Navigation and Timing Foundation.
The world is moving quickly toward 5G communication networks and devices to reach better performance with exponentially higher data speeds and greater reliability. However, these systems require the right combination of hardware, signal and software compatibility to work, and operating standards vary depending on the environment and the required transmission speed.
With these variables in play, global telecom, defense, and critical infrastructure organizations are in the process of thoroughly testing the functionality of this new technology on their particular systems in the appropriate operating environment before deploying 5G.
The fifth-generation technology standard for telecommunications is here, and it is already being tested and deployed in locations worldwide. This informative webinar will provide updates on the testing and implementation of 5G infrastructures, highlighting use cases in automotive and other mission-critical applications.
Panelists will discuss key factors for the successful implementation of 5G, the testing requirements needed to ensure consistent operations, and resilient positioning, navigation and timing (PNT) technologies that can help ensure accurate, continuous operations for critical applications during interference or signal loss.
What: Orolia Presents: GPS World Webinar, “Resilient PNT for a 5G World” When: May 20 at 1 p.m. EDT Where: Online, Register here
Confirmed panelists:
Lisa Perdue, Product Line Director, Simulation, Orolia
The European Space Agency has selected GMV to supply the radio-frequency constellation simulator (RFCS) for the Galileo second generation (G2G) program.
According to GMV, this is the multinational’s largest contract in Portugal.
From Portugal, GMV will lead a consortium to supply an RFCS covering both the first and second Galileo generations. The Galileo first generation (G1G), running since December 2016, consists of space infrastructure (26 satellites to date) and ground infrastructure.
Under the G2G RFCS contract, GMV teams in Portugal and Spain — partnering with Orolia and Tecobit — will develop an RFCS covering both Galileo generations as well as Galileo Open Service and Public Regulated Service (PRS). The RFCS will simulate the progressive deployment of the G2G with its new signals and will be key to supporting development of G2G infrastructure and testing of experimental user receivers.
The G2G aims to phase in new services, improve existing services, and boost system robustness. It also will enhance security while cutting operating and maintenance costs.
The RFCS will cover user characteristics such as dynamic behavior, signal impairments such as multipath and interference but also solution hybridization (for example, inertial sensors) and signal distortions. It will be designed to guarantee flexibility, configurability, modularity and scalability, as well as segregation of need-to-know information. For this purpose, the RFCS will be built with consumer-off-the-shelf products and follow a software-defined radio approach.
The project is closely linked with other PRS activities within GMV, identified as strategic for the maintenance of GMV’s European leadership position in the Galileo program.
BAE Systems is investing more than $100 million to build a state-of-the-art facility in Cedar Rapids, Iowa, expected to be completed in 2022. The facility will support the company’s newly acquired Navigation & Sensor Systems business, which makes mission-critical military GPS products.
The new building will bring the company’s local design and production employees from multiple locations into a single center of excellence with modern manufacturing, engineering and office space.
“Our world-class military GPS business is built on the rich talent pool in Greater Cedar Rapids,” said John Watkins, vice president and general manager of Precision Strike & Sensing Solutions at BAE Systems. “This investment will provide our high-tech engineering and manufacturing experts with a world-class workspace and the tools to enhance operational excellence.”
The facility will improve operational efficiency, optimize production, and enhance the company’s ability to deliver high-quality military GPS products to the warfighter.
The 278,000-square-foot research and development center will be located on a 32-acre site. The building will include a large factory; several hundred offices, workstations, and flexible work spaces; and classified and unclassified labs. The building was designed for growth, with the ability to add 50,000 square feet of additional space.
NATO forces are deployed in some of the world’s most aggressive electronic-warfare (EW) environments. Intentional interference comes both from “personal protection” devices and large, high-powered EW assets.
To navigate despite EW, armed forces need reliable and resilient GNSS/GPS positioning with anti-jam technology. The Light Dragoons — a light cavalry regiment of the British Army — are in a perfect position to test anti-jam technology for assured positioning, navigation and timing (A-PNT).
The Light Dragoons were deployed as the United Kingdom’s Light Cavalry contribution to “Battlegroup Poland,” part of NATO’s enhanced Forward Presence. On the front line, the Light Cavalry engage in reconnaissance, mark targets for indirect fires, and prepare routes for the rest of the force. In this role, being prepared for EW is essential.
To test A-PNT technologies, the Light Cavalry took part in Project Thundercat, a light cavalry capability investigation run by the Armoured Trials and Development Unit (ATDU). A Hexagon | NovAtel GPS anti-jam technology (GAJT) antenna, the GAJT-410ML, was fitted to a Jackal high-mobility transporter and integrated with its onboard positioning system.
GAJT successfully defeats jamming on GPS L1 and L2 and Galileo E1 frequencies. When interference is detected, GAJT recognizes the unwanted interference and reduces reception in that direction. The result is a more resilient GNSS solution, protected measurements and A-PNT.
The Light Dragoons found that GAJT successfully protected their positioning system despite experiencing interference. The GAJT-410ML antenna was easy to install in a simple plug-in-and-go process.
In upcoming experiments, the British Army will use NovAtel technology to gain electronic situational-awareness data to characterize the radio frequency environment.
GAJT systems are offered by NovAtel with customized offerings for land, marine and air applications.
The Light Dragoons test NovAtel GAJT anti-jamming antennas in Project Thundercat. (Photo: Photo: British Army)
