Blogs
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CRU software instructionCompass Receiver Utility (CRU) is professional Windows-based configuration software developed by ComNav Technology. Using the CRU software, you can convert the original observation data (cnb) into Rinex format; configure the parameters of the static collection of the receiver (only the receiver of the K7 platform is supported, the receiver of the K8 platform needs to use webUI configuration);LEARN MORE
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GNSS Spectrum Function and Anti-interference technology for K8-seriesLow-power Anti-interference (LAI) technology is ComNav patented advanced anti-narrowband and anti-continuous-wave interference technology. The SNR can reach 60dB and the power consumption is only 0.1W when enabled. LAI technology can quickly detect and mitigate interference through simple setup to ensure the safety of equipment during operation.LEARN MORE
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How to Enable GNSS+INS system on K8 series modulesIn many cases, GNSS and INS are used together to provide a more accurate and reliable navigation solution. This is known as integrated navigation or GNSS/INS integration. ComNav K8-series combines the strengths of both systems, integrated navigation can be robust in challenging environments and provides continuous positioning even during short GNSS outages, here are some examples of K8 GNSS+INS performance in different environments.LEARN MORE
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Cost-effective and highly flexible GNSS solution for robotic lawn mowerThe utility of GNSS technology in robotic mowers has emerged as a way to optimize mowing efficiency and accuracy. Historically, robotic mowers operated autonomously by using the local CORS or self built CORS is of high cost and continuous maintenance input. With ComNav Technology’s current robotic mower solution, it is accessible to benefit from reliable high precision service easily and cost saving- with zero operational input and highly integrated design.LEARN MORE
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How to start with SBAS mode?Compared with general GNSS positioning, SBAS is capable of covering vast areas, increasing the accuracy and reducing position errors to less than 1m. At present, the world's leading powers have also developed their own satellite navigation systems, such as the WAAS system of the United States, the EGNOSS of the European Union, the MSAS of Japan, the GAGAN of India, the SDCM of Russia ,and the BDSBAS of China under development.LEARN MORE
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How does GNSS technology contribute to autonomous driving?GNSS technology has brought a lot of convenience to our lives, for example autonomous driving development and CORS covering in every country, and this positive impact will be reflected in more aspects.LEARN MORE
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How to evaluate the quality of GNSS data?A GNSS module is a device that provides geolocation data by receiving signals from multiple satellites of GNSS constellation. The performance of signal acquisition and tracking directly determines PVT accuracy, so it is of great significance to evaluate the quality of GNSS data.LEARN MORE
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How does GNSS module affect RTK performance in the field?A GNSS receiver’s accuracy, stability and anti-interference mainly determined by a GNSS module’s various attributes such as supported signal types and quantities, speed and stability of satellite tracking, quality of original observations, positioning accuracy, etc. Thus, the better performance of a GNSS module will definitely enhance the performance of a GNSS receiver.LEARN MORE
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Introducing ComNav's latest GNSS technology : Dual-engine RTK TechnologyDual engine RTK, just as the name implies, refers to two RTK calculation engines built on single board. From perspective of working mode, the master station and the slave station can calculate RTK result for positioning at the same time.LEARN MORE
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What is the cold/warm/hot start in GNSS module?It is found that it takes some time for a enabled GPS module to obtain signal from enough satellites to determine its location accurately. So why? Before answering this question, firstly we have to know how many satellites need to be tracked to output positioning data.LEARN MORE
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What is IMU and how does it work in land surveying?Traditional RTK receiver is easy to implement in software. However it increases the surveyor’s burden and is not efficient and convenient, especially in case of wall corner where points are difficult to be measured or even inaccessible.LEARN MORE
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How to mitigate the impact of ionosphere on GNSS positioning?The ionosphere is generally defined as partially ionized atmospheric region roughly ranging from 60 to 1000 kilometers. Some people also regard the magnetosphere, the fully ionized atmosphere as the ionosphere. The ionosphere features a large number of free charged particles and ions, which can interfere with the intensity of electromagnetic waves propagating through the ionosphere.LEARN MORE
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ComNav Technology Launched GNSS High Precision Positioning Solution for Lawn MowerThe navigation and positioning of mowers are crucial for their autonomous operation. For the automatic and intelligent operation of lawn mowers, ComNav Technology provides high-precision positioning solutions.LEARN MORE
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VRS Principle & Performance of CDC.NET+CORSCORS, also known as Continuously Operating Reference Stations, is one or several fixed and continuously operating GNSS reference stations, with the combination of computers, data communications and Internet (LAN/WAN) technologies to automatically provide multiple needs of users with different kinds of GNSS observations (carrier phase, pseudorange), various corrections, status and other GNSS service systems in real time.LEARN MORE
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How to analyze GNSS signal qualityFrom the users’ point of view, it is difficult to judge the algorithm when evaluating a GNSS device. This blog will introduce how to analyze the GNSS signal quality based on SNR indicator.LEARN MORE
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Beidou B2b service and B2b-PPP technologyComNav Technology leads to carry out PPP-B2b signal-related research and applies PPP-B2b technology and real-time Precision Point Positioning (PPP) algorithm to high-precision products, achieving real-time high-precision positioning without relying on communication networks. This is of great significance to high-precision applications in scientific research, land surveying and mapping, marine development, agriculture other fields.LEARN MORE
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K803 Lite (L1) GNSS Module DP-filter Smooth Function Test ReportThis report introduces the DP-filter smooth positioning performance of K803 Lite (L1) based on the theoretical basis and test results, aiming to help users have a clear knowledge of DP-filter smooth function and related applications.LEARN MORE
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Answering Your Questions About N3 GNSS ReceiverWhat is the accuracy of N3 in static mode?How long is the working range of internal/external radio?How many degrees of inclination N3 measures?LEARN MORE
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Seeing the Trend of “5G+GNSS” in Intelligent EraIn the past two years, 5G went onto the stage. With the development of 5G and technology, the concept of smart city, Internet of Things and etc. are becoming more and more popular.LEARN MORE
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Reliable Reference Stations for Your Various DemandsExcept for SinoGNSS T/N series receivers mainly used for land survey, ComNav Technology has also introduced 3 levels of GNSS receivers for reference stations, including M300 Plus, M300 Pro and M300 Pro II, which can be used in CORS network, deformation monitoring and etc.LEARN MORE
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All-weather Precision Farming -- A GNSS Land Leveling Case from IndiaAgriculture, as an important part of the Indian economy, it contributes to less economic growth for various constraints, of which irrigation method is the major oneLEARN MORE
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Viewing GNSS Technological Development from SinoGNSS K-series ModulesSince the first generation of chips and OEM GNSS modules announced in 2012, ComNav Technology adhered to technological innovation unremittingly to lead the GNSS industry and provide world-class GNSS products to global users.LEARN MORE
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From a Surveyor to National CORS Owner – A successful case from Uganda of how to build your CORSIn the early 2016, no well-established and nationwide CORS serving for surveyors was completed in Uganda. David Mulindwa, a sophisticated surveyor and a loyal user of ComNav Technology products, conceived a blueprint to build a CORS that covers the entire Uganda.LEARN MORE
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Viewing Technical Development from ComNav Technology T serie to N series GNSS ReceiverComNav Technology has introduced 5 T series and N series GNSS receivers respectively since 2012. In this article we'll tell you the differences between ComNav Technology's T series and N series receiver.LEARN MORE
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How to Map A Historic Building —— An Exemplary Case with T30 IMU in AzerbaijanOne of our users from Azerbaijan applied T30 IMU GNSS receiver in a historic building restoration project to complete the preliminary mapping work, representing practical significance for historic building protection.LEARN MORE
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A Successful RTK UAV Mapping Project with DJI Phantom 4 RTK and SinoGNSS T300 PlusAn excellent solution combining of Phantom 4 RTK (hereinafter referred to as P4R) and T300 Plus GNSS receiver is proposed with no image control points, short-time field work and labor-saving.LEARN MORE
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K8 Series GNSS OEM Module Test Report - ComNav TechnologyIn order to verify K8's performance, the R&D team of ComNav Technology conducted a contrastive field test by examining K8 series OEM modules and other three manufactures in different environments.LEARN MORE