GPS signals are broadcast by Global Positioning System satellites to enable satellite navigation. Receivers on or near the Earth's surface can determine...
75 KB (10,657 words) - 18:52, 29 July 2024
Global Positioning System (redirect from Gps)
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...
178 KB (18,553 words) - 16:14, 22 August 2024
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...
50 KB (4,756 words) - 03:09, 22 July 2024
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 (5,015 words) - 13:06, 27 August 2024
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...
25 KB (2,909 words) - 14:12, 18 August 2024
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...
71 KB (6,159 words) - 19:00, 14 August 2024
impression of a GPS Block III satellite in orbit GPS Block III is the first series of third-generation GPS satellites, incorporating new signals and broadcasting...
15 KB (1,535 words) - 16:17, 9 June 2024
Satellite navigation device (redirect from GPS reciever)
Outdoors, GPS signals are typically around the −155 dBW level (−125 dBm). Conventional GPS receivers integrate the received GPS signals for the same...
41 KB (4,388 words) - 10:33, 10 August 2024
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 (3,757 words) - 00:18, 12 July 2024
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
has the security hardware necessary to decode the encrypted P(Y)-code GPS signals. Manufactured by Rockwell Collins, the DAGR entered production in March...
4 KB (382 words) - 18:53, 11 August 2024
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 (3,045 words) - 11:14, 15 August 2024
Galileo (satellite navigation) (redirect from Galileo gps)
block the Galileo signals without also interfering with its own GPS signals. The US did not want to lose their GNSS capability with GPS while denying enemies...
108 KB (10,706 words) - 20:17, 24 August 2024
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) - 14:08, 18 August 2024
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 (820 words) - 16:40, 25 January 2024
Wide Area Augmentation System (redirect from GPS WAAS)
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 (4,018 words) - 14:58, 18 August 2024
encrypted military M-code GPS signaling to ensure that the JDAM only accepts signals with correct encryption and rejects all other signals. However, according...
75 KB (6,567 words) - 13:47, 14 August 2024
individual signals collected and integrated by the receiver units employed in a Global Navigation Satellite System (GNSS). The integrity of received signals and...
10 KB (1,477 words) - 10:47, 22 February 2024
paper notes that the Russian R-330Zh Zhitel impacted GPS signals that JDAMs rely on. Some GPS signals are weak with some having "travelled up to 10,900 nautical...
12 KB (1,184 words) - 12:57, 5 December 2023
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 (4,180 words) - 14:28, 18 August 2024
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...
8 KB (1,028 words) - 03:21, 19 April 2023
GNSS reflectometry (redirect from Gps 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) - 21:36, 15 August 2024
A distress signal, also known as a distress call, is an internationally recognized means for obtaining help. Distress signals are communicated by transmitting...
18 KB (2,168 words) - 09:18, 15 June 2024
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...
3 KB (356 words) - 12:27, 1 March 2021
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 (2,127 words) - 13:11, 21 July 2024
Simultaneous GPS (S-GPS) is a method to allow a GPS reception and CDMA communications to operate simultaneously in a mobile phone. Ordinarily, cellular...
2 KB (238 words) - 17:17, 9 April 2024
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 (3,036 words) - 15:52, 21 August 2024
GNSS augmentation (redirect from GPS augmentation)
(RAIM), which uses redundant GPS signals to ensure the integrity of the position solution, and to detect faulty signals. Additional sensors may include:...
14 KB (1,505 words) - 00:10, 20 April 2024
days leading up to the attack, evacuating Israeli embassies and jamming GPS signals in the case of an aerial bombing. France deployed its navy to defend...
63 KB (4,374 words) - 23:49, 21 August 2024
Satellite navigation (section GPS)
receivers, the position of the signal moves as signals are received from several satellites. In addition, the radio signals slow slightly as they pass through...
42 KB (4,395 words) - 19:10, 30 July 2024