Tech Blog
  • Jan 12, 2024
    What is DOP in GNSS?
    To achieve high-precision positioning, it is essential to consider not only the accuracy of the satellite system itself but also the impact of factors such as the DOP values.
  • Dec 05, 2023
    What is SLR and VLBI?
    Satellite Laser Ranging (SLR) and Very-Long-Baseline Interferometry (VLBI) are modern geodetic techniques used for accurate measurement and positioning.
  • Oct 25, 2023
    What is ITRF and ITRS?
    Why are there people saying that "I am using WGS84 (ITRF96)"?
    What does the ITRF do?
    What is the relationship between ITRF and WGS84 coordinate system?
    So how to determine the epoch and frame of conventional RTK and TAP services?
  • Oct 09, 2023
    What is RINEX format and its latest version?
    Receiver Independent Exchange Format (RINEX) is a standard data format widely used in GNSS survey applications.
  • Sep 07, 2023
    How to mitigate the ionospheric influence on GNSS positioning?
    To mitigate ionospheric influence on GNSS positioning, avoid unfavorable conditions, choose suitable observation times, and utilize real-time ionospheric monitoring.
  • Apr 24, 2023
    What is the PPP?
    PPP means Precise Point Positioning. It refers to the technology in which the server makes use of global or regional reference stations to make real-time estimation of satellite orbit errors, clock errors, ionospheric delay, etc., and directly broadcast
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