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  2. GNSS applications - Wikipedia

    en.wikipedia.org/wiki/GNSS_applications

    SurveyingSurvey-Grade GNSS receivers can be used to position survey markers, buildings, and road construction. [6] These units use the signal from both the L1 and L2 GPS frequencies. Even though the L2 code data are encrypted , the signal's carrier wave enables correction of some ionospheric errors .

  3. Satellite navigation device - Wikipedia

    en.wikipedia.org/wiki/Satellite_navigation_device

    Vehicle navigation on a personal navigation assistant Garmin eTrex10 edition handheld. A satellite navigation device or satnav device, also known as a satellite navigation receiver or satnav receiver or simply a GPS device, is a user equipment that uses satellites of the Global Positioning System (GPS) or similar global navigation satellite systems (GNSS).

  4. Geodetic control network - Wikipedia

    en.wikipedia.org/wiki/Geodetic_control_network

    A geodetic control network is a network, often of triangles, that are measured precisely by techniques of control surveying, such as terrestrial surveying or satellite geodesy. It is also known as a geodetic network, reference network, control point network, or simply control network.

  5. Real-time kinematic positioning - Wikipedia

    en.wikipedia.org/wiki/Real-time_kinematic...

    A surveyor uses a GNSS receiver with an RTK solution to accurately locate a parking stripe for a topographic survey. Real-time kinematic positioning (RTK) is the application of surveying to correct for common errors in current satellite navigation (GNSS) systems. [1]

  6. US agency probes risks of foreign satellite use by handheld ...

    www.aol.com/news/us-agency-probes-risks-foreign...

    The Federal Communications Commission said Thursday it is investigating if the use of Russian and Chinese foreign satellite systems by U.S. mobile phones and other devices poses security threats.

  7. Satellite navigation software - Wikipedia

    en.wikipedia.org/wiki/Satellite_navigation_software

    A track is a trace of somewhere that you have actually been (often called a "breadcrumb trail"). The GNSS (global navigation satellite system) unit (external or internal) periodically sends details of the location which are recorded by the software, either by taking a reading based on a set time interval, based on a set distance, based on a change in direction by more than a certain angle, or ...

  8. Hemisphere GNSS - Wikipedia

    en.wikipedia.org/wiki/Hemisphere_GNSS

    Its products and technology are used in agricultural, marine, surveying, GIS mapping, and machine control markets. [ 2 ] Founded in 2013, it was created after Beijing UniStrong Science & Technology acquired Hemisphere GPS, which was subsequently renamed AgJunction. [ 3 ]

  9. National GPS Network - Wikipedia

    en.wikipedia.org/wiki/National_GPS_Network

    It is managed by Ordnance Survey. It provides access to a stable, national coordinate reference system (through downloaded GNSS data) that allows highly accurate location to be determined using suitable equipment, and is used in surveying, construction and precision agriculture industries, among other uses.

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