• Thumbnail for GPS signals
    GPS signals are broadcast by Global Positioning System satellites to enable satellite navigation. Using these signals, receivers on or near the Earth's...
    75 KB (10,651 words) - 07:04, 31 March 2025
  • Thumbnail for Global Positioning System
    the weak GPS signal. GPS's vulnerability to jamming is a threat that continues to grow as jamming equipment and experience grows. GPS signals have been reported...
    185 KB (19,119 words) - 09:36, 27 May 2025
  • Thumbnail for GPS Block III
    inside the spot beam, the GPS satellite will appear as two GPS signals occupying the same position. While the full-Earth M-code signal is available on the Block...
    48 KB (4,796 words) - 19:14, 29 May 2025
  • Thumbnail for Error analysis for the Global Positioning System
    position. Since GPS signals at terrestrial receivers tend to be relatively weak, natural radio signals or scattering of the GPS signals can desensitize...
    37 KB (5,051 words) - 19:26, 16 May 2025
  • Spoofing attack (redirect from GPS spoofing)
    implemented in sensors. Use more GNSS signal types. Modernized civil GPS signals are more robust than the L1 signal and should be leveraged for increased...
    32 KB (3,674 words) - 16:39, 25 May 2025
  • Thumbnail for Satellite navigation device
    Outdoors, GPS signals are typically around the −155 dBW level (−125 dBm). Conventional GPS receivers integrate the received GPS signals for the same...
    39 KB (4,142 words) - 23:23, 17 April 2025
  • Thumbnail for GPS disciplined oscillator
    agree with the signals broadcast by GPS or other GNSS satellites. GPSDOs work well as a source of timing because the satellite time signals must be accurate...
    10 KB (1,057 words) - 07:43, 3 June 2024
  • Thumbnail for AN/PSN-13 Defense Advanced GPS Receiver
    has the security hardware necessary to decode the encrypted P(Y)-code GPS signals. Manufactured by Rockwell Collins, the DAGR entered production in March...
    5 KB (398 words) - 03:55, 26 December 2024
  • to focus on legitimate signals (e.g., GPS satellite signals) while nullifying or attenuating interfering or malicious signals, such as those from jammers...
    5 KB (565 words) - 19:03, 19 May 2025
  • Thumbnail for Radio clock
    Radio clock (redirect from GPS clock)
    satellite signals. Dedicated GPS timing receivers are accurate to better than 1 microsecond; however, general-purpose or consumer grade GPS may have an...
    49 KB (3,083 words) - 09:50, 27 May 2025
  • GLONASS (redirect from GLONASS signals)
    navigation signals to improve the system's accuracy — including new CDMA signals in the L3 and L5 bands, which will use modulation similar to modernized GPS, Galileo...
    72 KB (6,243 words) - 04:16, 16 May 2025
  • Thumbnail for Wide Area Augmentation System
    contain an L1 & L5 GPS payload. This means they will potentially be usable with the L5 modernized GPS signals when the new signals and receivers become...
    42 KB (4,012 words) - 16:26, 17 March 2025
  • Thumbnail for Galileo (satellite navigation)
    Galileo signals without also interfering with its own GPS signals.[citation needed] The US did not want to lose their GNSS capability with GPS while denying...
    104 KB (10,185 words) - 12:18, 21 May 2025
  • Thumbnail for Assisted GNSS
    Assisted GNSS (redirect from A-GPS)
    exceptionally poor signal conditions, for example in urban areas, satellite signals may exhibit multipath propagation where signals skip off structures...
    10 KB (1,358 words) - 13:27, 12 March 2025
  • Thumbnail for GPS week number rollover
    Structure of the time-encoding components of GPS signals, NAV and CNAV versions "Advisory for the August 1999 GPS Week Rollover". www.navcen.uscg.gov. Retrieved...
    8 KB (822 words) - 07:17, 28 May 2025
  • GPS jamming is an act of overwhelming satellite navigation receivers with powerful radio signals that drown out the signals from GPS satellites, rendering...
    5 KB (475 words) - 23:16, 10 March 2025
  • Thumbnail for GPS satellite blocks
    launch was on 5 February 2016. GPS Block III is the first series of third-generation GPS satellites, incorporating new signals and broadcasting at higher...
    15 KB (1,575 words) - 09:56, 27 May 2025
  • GPS Block IIIF, or GPS III Follow On (GPS IIIF), is the second set of GPS Block III satellites, consisting of up to 22 space vehicles. The United States...
    40 KB (3,119 words) - 01:05, 19 April 2025
  • encrypted military M-code GPS signaling to ensure that the JDAM only accepts signals with correct encryption and rejects all other signals. However, according...
    77 KB (6,746 words) - 23:09, 26 May 2025
  • GPS/INS is the use of GPS satellite signals to correct or calibrate a solution from an inertial navigation system (INS). The method is applicable for...
    9 KB (1,087 words) - 19:53, 26 March 2025
  • Thumbnail for GPS tracking unit
    using GPS tracking software and devices with GPS capability. A GPS "track me" essentially contains a GPS module that receives the GPS signal and calculates...
    33 KB (4,185 words) - 00:32, 26 May 2025
  • EGPS, EGPS, trademarked as eGPS) is a technology designed for mobile phones on GSM and W-CDMA networks, to augment GPS signals to deliver faster location...
    4 KB (526 words) - 16:40, 22 May 2025
  • Thumbnail for Differential GPS
    When GPS was first being put into service, the US military was concerned about the possibility of enemy forces using the globally available GPS signals to...
    26 KB (2,943 words) - 22:01, 14 April 2025
  • GPS meteorology refers to the use of the effect of the atmosphere on the propagation of the Global Positioning System's (GPS) radio signals to derive...
    3 KB (473 words) - 17:45, 9 October 2017
  • Thumbnail for GNSS reflectometry
    the Earth of navigation signals from Global Navigation Satellite Systems such as GPS. The idea of using reflected GNSS signals for earth observation was...
    10 KB (1,149 words) - 04:42, 14 March 2025
  • Thumbnail for Ionosphere
    this layer also impacts GPS signals, resulting in effects such as deflection in their path and delay in the arrival of the signal. As early as 1839, the...
    54 KB (6,727 words) - 17:03, 24 May 2025
  • Thumbnail for Inertial measurement unit
    developments allow for the production of IMU-enabled GPS devices. An IMU allows a GPS receiver to work when GPS-signals are unavailable, such as in tunnels, inside...
    18 KB (2,139 words) - 20:11, 24 May 2025
  • Thumbnail for Inertial navigation system
    other systems (GPS), the errors in position and velocity are stable. Furthermore, INS can be used as a short-term fallback while GPS signals are unavailable...
    47 KB (5,954 words) - 20:26, 18 May 2025
  • Thumbnail for R-330Zh Zhitel
    impacted GPS signals that JDAMs rely on. Having "travelled up to 10,900 nautical miles (20,200 km) from the satellite to Earth", the GPS signals can be...
    12 KB (1,176 words) - 10:25, 23 April 2025
  • Thumbnail for M270 Multiple Launch Rocket System
    to jam GPS signals. The inertial navigation system of munitions such as GMLRS is immune to jamming, but less accurate than when paired with GPS coordinates...
    92 KB (9,005 words) - 21:17, 19 May 2025