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Stonex S850A

    Stonex S850A


    Hemisphere P40 board
    700 channels
    All constellations tracked
    Integrated UHF double frequency radio, 410-470MHz and 902.4-928MHz
    E-Bubble sensor
    9 hour operation
    Easy configuration from Web UI

    Powerful Precision Performance

     Working Time Up To Integrated Sensor
    Standard Warranty

    9 Hours



    2 Years

    Equipped with an advanced 700 channels GNSS board and capable of supporting multiple satellite constellations, including GPS, GLONASS, BEIDOU, GALILEO, QZSS and IRNSS, the Stonex S850A GNSS receiver is an ideal solution for any high-precision work.

    Stonex's S850A hasL-Band correction; the advanced receiver design gives S850A excellent signal tracking ability and interference resistant capacity. High portability make the S850A GNSS receiver particularly suitable for fieldwork in areas of complex terrain.

    Stonex's S850A is equipped with all the necessary connections including integrated Bluetooth and internal Wi-Fi functionality; it has a built-in dual frequency UHF radio, 410-470 MHz and 902.4-928 MHz, and the worldwide compatible 4G GSM modem.

    The Stonex S850A integrates an E-Bubble sensor that allows the measurement of difficult points with the pole not level.


    The Stonex S850A, with its 700 channels, is an excellent on board real time navigation solution with high accuracy. All GNSS signals (GPS, GLONASS, BEIDOU, GALILEO, QZSS and IRNSS) are included, at no additional cost.



    The S850A has an integrated UHF double frequency radio, 410-470MHz and 902.4-928MHz. Use the 4G GSM for a fast internet connection in any location.



    The S850A has an E-bubble that displays if the pole is vertical on the software. The point will be recorded automatically when the pole is level.

    The optional IMU add-on negates the need to level your pole, allowing you to provide fast and accurate measurements that were previously unaccessible.



    The Stonex S850A has a large capacity lithium battery and Type-C connector to recharge it easily.



    With IP67 Certification, the Stonex S850A will ensure operations in every kind of tough environment.


    S850A - Atlas GNSS Global Correction Service

    All S850A receivers come include 3-month Atlas Service Land Near Shore to be activated within 12 months.

    Atlas is an innovative, industry-leading GNSS-based global L-band correction service, providing robust performance at competitive market prices. Atlas is a flexible and scalable service, delivering its correction signals via L-band satellites at accuracies ranging from meter to sub-decimeter levels. Leveraging more than 200 reference stations worldwide and with L-band satellites distributing Atlas corrections, the entire globe is virtually covered. The Atlas GNSS global correction service provides correction data for GPS, GLONASS, BeiDou, and Galileo constellations.

    Atlas correction service is available on all Hemisphere Atlas-capable single- and multi-frequency, multi-GNSS hardware.

    When using multi-frequency hardware, Atlas corrects more satellites than ever before, which creates faster convergence times and is robust and reliable in canopy or foliage covered areas. With both single- and multi-frequency hardware, Atlas achieves instant global sub-meter positioning accuracy, comparable to, and typically more robust than SBAS, since Atlas corrections contain data from multiple available constellations.

    Systems supporting Atlas utilize Hemisphere’s world-class Athena™ GNSS RTK engine. Athena often exceeds performance offered by other industry leaders and provides a future-proof foundation enabling market-defining performance, flexibility, and reliability.

    Atlas Basic
    Atlas Basic provides users of both single- and multi-frequency Atlas-capable products the ability to achieve SBAS equivalent performance anywhere
    in the world where the Atlas correction service is available. Atlas Basic is a ground-breaking new feature that offers a proven accuracy of 30 to 50 cm (95%)*. Atlas Basic offers instantaneous sub-meter accuracy allowing for DGPS-level accuracy within the global regions supported by Atlas.

    * Depends on multipath environment, number of satellites in view, satellite geometry, and ionospheric activity.

    Industry-Leading Capabilities

    • Positioning Accuracy: Atlas provides competitive positioning accuracies down to 4 cm RMS in certain applications, often exceeding competitive systems’ capabilities
    • Positioning Sustainability: Cutting-edge position quality maintenance in the absence of correction signals, using Hemisphere’s Tracer™ technology
    • Convergence Time: Industry-leading convergence times of 10 – 40 minutes
    • Global Ionospheric Model: Real-time ionospheric activity and data is sent to the receiver and allows Atlas-capable devices to adjust accordingly, providing excellent convergence performance

    Scalable Service Levels
    Service Level – Position Accuracy
    Atlas Basic  50 cm 95% (30 cm RMS)
    Atlas H30  30 cm 95% (15 cm RMS)
    Atlas H10  8 cm 95% (4 cm RMS)