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After years of rapid development, we have achieved mass production of remote sensing satellites, which have the capabilities of intelligent processing, autonomous operation, emergency communication and rapid response, and long-term stable data output on board

So - how does GNSS really work? Check out this Technical Primer from Point One Navigation. The incredible but imperfect mechanics of measuring pseudorange — and how we get closer to perfection Once a technology has been around long enough, you start to take it for granted. It simply becomes a part of everyday life — as inconspicuous as the air we breathe. In many ways, that’s already happened with GPS technology. Just a few decades ago, positioning measurements required knowing how to use a constellation of complex tools. Now, anyone can get a fairly accurate estimate of their position from a constellation of satellites in the sky — with only a simple receiver in hand. It’s hard to overstate how impactful this technology has been. We no longer rely on paper maps or even Mapquest printouts to chart a course for a road trip; we simply let our phones tell us where we are and where we’re going. The same basic tools are now on the verge of enabling widespread autonomous driving. Likewise, surveyors no longer lean solely on manual measurements from compasses, theodolites, and sextants to create accurate maps or plan construction sites; they instead rely on communication between satellites and receivers. Yet, as incredible as these modern positioning tools are, they are still far from perfect. Commercial applications, in particular, reveal that GPS can land you catastrophically far off the mark. Understanding that gap requires a closer look at what exactly GPS is doing when it tells you where you are. Only then can you discover what it takes to get from incredible accuracy to astounding precision. In this article, we’ll take a look under the hood to explain exactly what’s going on inside your GNSS receiver. We’ll explain the math your receiver does every second to determine where it is in the world. You don’t have to follow the math to understand how your GNSS works, but seeing it offers a more complete view of what’s happening. Read it here - https://lnkd.in/gDA3Tskq #GNSS #GPS #Pseudorange #PreciseNavigation #AutonomousVehicles #RTK #RTKNetwork #PointOneNavigation

📡𝗨𝗻𝗱𝗲𝗿𝘀𝘁𝗮𝗻𝗱𝗶𝗻𝗴 𝗤𝗭𝗦𝗦: 𝗥𝗲𝘃𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝗶𝘇𝗶𝗻𝗴 𝗚𝗡𝗦𝗦 𝘄𝗶𝘁𝗵 𝗖𝗟𝗔𝗦 𝗮𝗻𝗱 𝗦𝗟𝗔𝗦📡 In the ever-evolving world of GNSS technology, precision and reliability are key. While global systems like GPS, GLONASS, Galileo, and BeiDou dominate the headlines, there’s a regional star making waves in Asia-Pacific: QZSS (Quasi-Zenith Satellite System). Developed and maintained by Japan, QZSS is a regional satellite navigation system designed to improve GNSS accuracy and availability over Japan and its neighboring regions. Often dubbed the "𝗝𝗮𝗽𝗮𝗻𝗲𝘀𝗲 𝗚𝗣𝗦", QZSS complements existing global GNSS constellations by providing additional satellite signals and services. 𝗪𝗵𝗮𝘁 𝗱𝗼𝗲𝘀 𝗤𝗭𝗦𝗦 𝗼𝗳𝗳𝗲𝗿𝘀?💡 The hallmark of QZSS lies in its orbit configuration and augmentation capabilities: 𝗢𝗿𝗯𝗶𝘁 𝗔𝗱𝘃𝗮𝗻𝘁𝗮𝗴𝗲: Its satellites follow a "quasi-zenith" orbit, ensuring they spend the majority of their time directly overhead in Japan and nearby areas. This configuration provides excellent signal visibility, especially in urban canyons and mountainous regions where GNSS signals often struggle. 𝗔𝘂𝗴𝗺𝗲𝗻𝘁𝗮𝘁𝗶𝗼𝗻 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀:  Beyond standard GNSS signals, QZSS offers two advanced augmentation services: CLAS (Centimeter Level Augmentation Service) and SLAS (Sub-Meter Level Augmentation Service). 𝗖𝗟𝗔𝗦 𝘃𝘀. 𝗦𝗟𝗔𝗦: 𝗪𝗵𝗮𝘁’𝘀 𝘁𝗵𝗲 𝗗𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝗰𝗲? CLAS (Centimeter Level Augmentation Service) Purpose: Designed for high-precision applications like precision agriculture, autonomous vehicles, and land surveying. Technology: CLAS delivers centimeter-level positioning accuracy by providing correction data via the L6 signal. Requirements: Users must have compatible GNSS receivers capable of processing L6 signals and the corrections transmitted by QZSS. 𝗦𝗟𝗔𝗦 (𝗦𝘂𝗯-𝗠𝗲𝘁𝗲𝗿 𝗟𝗲𝘃𝗲𝗹 𝗔𝘂𝗴𝗺𝗲𝗻𝘁𝗮𝘁𝗶𝗼𝗻 𝗦𝗲𝗿𝘃𝗶𝗰𝗲) Purpose: Aimed at applications that need reliable, sub-meter accuracy without requiring specialized equipment. Technology: SLAS provides correction data through the L1S signal, compatible with standard GNSS receivers. Requirements: No need for high-end hardware, making SLAS accessible to a broader audience. 𝗪𝗵𝘆 𝗤𝗭𝗦𝗦 𝗠𝗮𝘁𝘁𝗲𝗿𝘀? QZSS and its augmentation services address critical pain points in traditional GNSS technology: urban signal blockage, latency, and accuracy. With its focus on precision and accessibility, QZSS is poised to drive innovation across various industries, from smart cities to disaster management. For anyone working in the GNSS or IoT sectors, understanding QZSS and leveraging its capabilities is no longer optional—it’s a strategic advantage. #TelitCinterion #QZSS #GNSS #SE868

The global GPS and GNSS Signal Simulators market was valued at US$ 168 million in 2023 and is anticipated to reach US$ 389.3 million by 2030 witnessing a CAGR of 12.7% during the forecast period 20242030. #GPSSimulators #GNSSSimulators #NavigationTesting #DefenseTechnology #CivilIndustry #AutomotiveTesting #AerospaceInnovation #TelecomSolutions #InfrastructureDevelopment #MarketGrowth

🚨 New #website alert! 🚨 We’re excited to announce that our new website 👉 sharpnav.com is now live. In an era where intentional jamming and GPS vulnerabilities are increasing, SHARPNAV is here to provide a more secure, interference-free navigation experience. Our solution is designed to stand strong against GNSS interference, offering enhanced reliability even in the most challenging environments. Whether you’re in critical infrastructure, transportation, or any field that depends on seamless navigation data, SHARPNAV will keep your operations moving safely and accurately. Discover how SHARPNAV is redefining secure navigation. Visit sharpnav.com to learn more! 🚀 🚀 🚀 #SHARPNAV #GNSS #GPS #Positioning #Navigation #Finland #Space

🌐 Understanding The Different GNSS Correction Methods Did you know that standard GPS is only accurate to 5-10 meters? For applications like autonomous navigation, precision agriculture, or surveying, this just won’t cut it. Enter GNSS corrections—transforming accuracy to the centimeter level! 🚀 In our latest blog, we explore: 📡 The major GNSS correction methods: DGNSS, SBAS, RTK, PPP, and PPP-RTK. ⚙️ How these techniques balance accuracy, coverage, complexity, and cost. 🌍 How cutting-edge solutions like Skylark Precise Positioning Service are shaping the future. Each GNSS correction technique offers distinct advantages, for example RTK delivers centimeter-level precision, PPP-RTK offers global reach with uniform performance, and DGNSS provides practical sub-meter accuracy for small battery-operated devices, such as mobile phones. Whether you’re building autonomous robots, mapping utility infrastructure, or managing fleets, understanding the types of GNSS corrections is key to choosing the best solution for your needs. 🔗 Read the blog to dive into the details: https://lnkd.in/g7Nq62Sm #GNSS #PrecisionPositioning #Drones #AutonomousVehicles #Surveying #Mapping #GIS #RTK #Logistics

🌌 The Future of Remote Sensing: Trends to Watch 🚀 Introduction: Remote sensing is revolutionizing how we gather data to solve real-world challenges. As technology advances, the quality and accessibility of remotely sensed data will only improve. So, what does the future hold for this field? Expect better, faster, and more compact technologies that make data collection more efficient and effective. Several trends shaping this future include: Shrinking size of electronics and sensors 📏 Increasing computing power 💻 Enhanced transmitting capabilities 📡 Greater “tunability” of systems 🎛️ These advancements will lead to improvements in spatial, spectral, radiometric, and temporal resolution, ultimately delivering more accurate and precise data. Smaller sensors that can be mounted on various platforms will also offer flexibility in data collection. Key Trends to Watch: 🔍 Spatial Resolution: The latest satellites, such as DigitalGlobe’s WorldView-3, offer extremely high-resolution imagery, though often at a high cost. Small satellites in lower orbits, along with Unmanned Aircraft Systems (UAS), are stepping in as cost-effective alternatives. UAS technology, flying at altitudes under 400 ft, enables ultra-high-resolution data capture at a fraction of the price of commercial satellite imagery. 🌈 Spectral Resolution: Hyperspectral sensors are now capable of recording hundreds of narrow bands, creating rich datasets for applications like mineral identification and vegetation analysis. Although these datasets demand significant computing power, they offer unparalleled detail, making them ideal for precision applications. ⏲️ Temporal Resolution: Thanks to UAS and constellations of small satellites, we’re witnessing a revolution in how frequently data is captured. Constellations like those from Planet Labs deliver daily global coverage, while UAS allows users to collect data multiple times a day for detailed temporal analysis. 🛰️ Small Satellites: With their affordability and adaptability, small satellites (weighing less than 500 kg) are the future. Using consumer-grade technology, these satellites offer a low-cost alternative for space missions. Notable examples include Planet Labs' Dove satellites, which provide daily imagery with 3-5m spatial resolution. NASA's PhoneSat project has also proven that smartphones can power functional, low-cost satellites, pushing the boundaries of affordability in space exploration. The future of remote sensing is bright, filled with opportunities for innovation and discovery. With these emerging technologies, we can expect more precise, timely, and accessible data, transforming industries from agriculture to urban planning. 🌍✨ #RemoteSensing #SpaceTech #UAS #SatelliteImagery #SpatialResolution #SpectralResolution #FutureTech #EarthObservation

Shoutout to Popular Mechanics for highlighting AQNav in their recent article! It's always great to see our tech being recognized for its impact. I definitely can't wait to see how our ability to leverage quantum sensors and Quantitative AI continues to transform the future of aerospace, military tech, and navigation. #AQNav #QuantumSensors #QuantitativeAI

📡 Over the years, the seabed mapping community has steadily adopted new sensor technology. But more recently, emerging tools have presented significant opportunities for accelerated mapping. So what are the potential game changers? 👉 Sensors: LiDAR, Satellite Derived Bathymetry (SDB), Synthetic Aperture Sonars, and sensor miniaturisation, among others 👉 Survey strategies: Autonomous delivery systems, sparse arrays, and edge computing 👉 Data processing and production: Cloud storage, better integration of Sound Velocity Profile (SVP) data, and automated processing tools 👉 Data collation, management, and publication: Advances in marine data infrastructure and enhanced bandwidth Many of these are becoming mainstream and more readily available, empowering our international partners in support of the Seabed 2030 mission. 💪 #Hydrospatial #SeabedMapping #MarineTechnology

Quantum Navigation: A Leap Beyond GPS The Global Positioning System (GPS) has revolutionized navigation, providing accurate positioning through satellite signals. However, its dependence on external signals makes it vulnerable to disruptions like jamming, spoofing, or inaccessibility in environments such as dense urban areas, underwater, or deep space. Quantum navigation, a cutting-edge alternative, offers the promise of unparalleled precision and reliability. Quantum navigation relies on phenomena like superposition, entanglement, and ultra-precise quantum sensors, such as atomic clocks and accelerometers. Unlike GPS, it operates independently of satellite signals, making it highly resilient. Advantages Over GPS: Signal Independence: Quantum navigation doesn’t rely on external signals, making it immune to interference and ideal for GPS-denied areas. Enhanced Precision: Quantum devices provide extraordinary accuracy, vital for applications like autonomous vehicles, submarines, and space missions. Robust Security: With no external signals to intercept, the system is less prone to jamming or spoofing. Versatility: Quantum systems can operate in terrestrial, underwater, and extraterrestrial environments, expanding the scope beyond GPS. Present Constraints: Despite its promise, quantum navigation faces significant challenges today: Size and Portability: Current quantum devices are bulky and unsuitable for widespread deployment. High Cost: The technology remains expensive, limiting accessibility. Sensitivity to Conditions: Quantum systems are highly sensitive to environmental disturbances, requiring stable conditions for optimal performance. Limited Commercial Availability: The technology is still in research and development, with few real-world applications. While GPS remains the dominant navigation technology, quantum navigation is steadily progressing. Overcoming these constraints will mark a transformative shift, enabling precise, signal-independent navigation for critical applications in defense, space, and beyond. #QuantumNavigation #QuantumTech #QuantumComputing #QuantumInnovation #QuantumSensors #QuantumFuture #madhurdubey