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  2. GPS week number rollover - Wikipedia

    en.wikipedia.org/wiki/GPS_week_number_rollover

    The GPS week number rollover is a phenomenon that happens every 1,024 weeks, which is about 19.6 years. The Global Positioning System (GPS) broadcasts a date, including a week number counter that is stored in only ten binary digits , whose range is therefore 0–1,023.

  3. Error analysis for the Global Positioning System - Wikipedia

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

    When taken together, autonomous civilian GPS horizontal position fixes are typically accurate to about 15 meters (50 ft). These effects also reduce the more precise P(Y) code's accuracy. However, the advancement of technology means that in the present, civilian GPS fixes under a clear view of the sky are on average accurate to about 5 meters ...

  4. Selective availability anti-spoofing module - Wikipedia

    en.wikipedia.org/wiki/Selective_availability...

    A Selective Availability Anti-spoofing Module (SAASM) is used by military Global Positioning System receivers to allow decryption of precision GPS observations, while the accuracy of civilian GPS receivers may be reduced by the United States military through Selective Availability (SA) and anti-spoofing (AS). [1]

  5. 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).

  6. Real-time kinematic positioning - Wikipedia

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

    Accuracy is increased in a CORS network, because more than one station helps ensure correct positioning and guards against a false initialization of a single base station. [9] A Virtual Reference Network (VRN) can similarly enhance precision without using a base station, [10] using virtual reference stations (VRS), instead. The concept can help ...

  7. The 2025 Men’s Health Fitness Awards: The Best New ... - AOL

    www.aol.com/2025-men-health-fitness-awards...

    This update makes them even better. ... $1199.99 at garmin.com. ... and up to 17 days of continuous battery life (38 hours continuous GPS use). It also boasts accurate tracking of recovery and GPS ...

  8. Garmin - Wikipedia

    en.wikipedia.org/wiki/Garmin

    That same year, Garmin launched Forerunner 201, a fitness smartwatch for runners that was the first wrist-based GPS trainer. [25] In 2005, Garmin launched nüvi, its first compact car navigator. [26] In 2006, Garmin released its first GPS-enabled cycling computer, Edge. [27]

  9. Global Positioning System - Wikipedia

    en.wikipedia.org/wiki/Global_Positioning_System

    Military GPS receivers, such as the Precision Lightweight GPS Receiver (PLGR) and Defense Advanced GPS Receiver (DAGR), are used by radio operators within a radio network to properly input an accurate time to said radios internal clock. More modern military radios have internal GPS receivers that synchronize the internal clock automatically.