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2. Precise Point Positioning - Wikipedia

   en.wikipedia.org/wiki/Precise_Point_Positioning

   Precise Point Positioning (PPP) is a global navigation satellite system (GNSS) positioning method that calculates very precise positions, with errors as small as a few centimeters under good conditions. PPP is a combination of several relatively sophisticated GNSS position refinement techniques that can be used with near-consumer-grade hardware ...

3. Galileo (satellite navigation) - Wikipedia

   en.wikipedia.org/wiki/Galileo_(satellite_navigation)

   The base Open Service is to be available without charge to anyone with a Galileo-compatible receiver, with an encrypted higher-bandwidth improved-precision Commercial Service originally planned to be available at a cost, but in February 2018 the high accuracy service (HAS) (providing Precise Point Positioning data on the E6 frequency) was ...

4. Satellite navigation - Wikipedia

   en.wikipedia.org/wiki/Satellite_navigation

   GNSS-2 is the second generation of systems that independently provide a full civilian satellite navigation system, exemplified by the European Galileo positioning system. [5] These systems will provide the accuracy and integrity monitoring necessary for civil navigation; including aircraft.

5. Swift Navigation Collaborates with Sony Semiconductor ...

   lite.aol.com/tech/story/0022/20241107/9269002.htm

   SAN FRANCISCO, Nov. 07, 2024 (GLOBE NEWSWIRE) -- Swift Navigation ("Swift"), a leader in precise positioning technology, announced a joint solution developed with Sony Semiconductor Solutions Corporation (“Sony”) that integrates Swift’s Skylark ® Precise Positioning Service with Sony’s ultra-low-power CXD5610 GNSS chipset.

6. Satellite navigation solution - Wikipedia

   en.wikipedia.org/wiki/Satellite_navigation_solution

   Satellite navigation solution for the receiver's position (geopositioning) involves an algorithm.In essence, a GNSS receiver measures the transmitting time of GNSS signals emitted from four or more GNSS satellites (giving the pseudorange) and these measurements are used to obtain its position (i.e., spatial coordinates) and reception time.

7. Error analysis for the Global Positioning System - Wikipedia

   en.wikipedia.org/wiki/Error_analysis_for_the...

   For very precise positioning (e.g., in geodesy), these effects can be eliminated by differential GPS: the simultaneous use of two or more receivers at several survey points. In the 1990s when receivers were quite expensive, some methods of quasi-differential GPS were developed, using only one receiver but reoccupation of measuring points.

8. Why some Ohio school districts are arming teachers and staff ...

   www.aol.com/why-ohio-school-districts-arming...

   Over the last year, the number of school districts in Ohio that allow staff to be armed quadrupled, with 14% of the state's districts now participating.

9. GNSS enhancement - Wikipedia

   en.wikipedia.org/wiki/GNSS_enhancement

   GNSS enhancement refers to techniques used to improve the accuracy of positioning information provided by the Global Positioning System or other global navigation satellite systems in general, a network of satellites used for navigation. Enhancement methods of improving accuracy rely on external information being integrated into the calculation ...