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searching for GPS signals 99 found (126 total)

GNSS reflectometry (893 words) [view diff] exact match in snippet view article find links to article

payload that has demonstrated the feasibility of receiving and measuring GPS signals reflected from the surface of the Earth's oceans from its track in low

SiRF (448 words) [view diff] exact match in snippet view article find links to article

ARM controllers integrated with low-noise radio receivers to decode GPS signals at very low signal levels (typically -160dBm). SiRF chips also support

Local-area augmentation system (1,415 words) [view diff] exact match in snippet view article find links to article

Data Link. A receiver on an aircraft uses this information to correct GPS signals, which then provides a standard instrument landing system (ILS)-style

Inertial measurement unit (2,026 words) [view diff] no match in snippet view article find links to article

of IMU-enabled GPS devices. An IMU allows a GPS receiver to work when GPS-signals are unavailable, such as in tunnels, inside buildings, or when electronic

Pseudolite (317 words) [view diff] exact match in snippet view article find links to article

independent of the GPS, can be useful in situations where the normal GPS signals are either blocked/jammed (military conflicts), or simply not available

Space environment (871 words) [view diff] exact match in snippet view article find links to article

decreases in ozone densities, disruption to radio communication, to GPS signals and submarine positioning. Some scientists also theorize links between

Ionospheric Connection Explorer (1,534 words) [view diff] exact match in snippet view article find links to article

understanding of this dynamic will mitigate its effects on communications, GPS signals, and technology in general. It is part of NASA's Explorer program and

Enhanced GPS (356 words) [view diff] exact match in snippet view article find links to article

technology designed for mobile phones on GSM and W-CDMA networks, to augment GPS signals to deliver faster location fixes, lower cost implementations and reduced

Locata Corporation (926 words) [view diff] no match in snippet view article find links to article

system that can either replace or augment Global Positioning System (GPS) signals when they are blocked, jammed or unreliable. Government, commercial and

Spoofing attack (3,075 words) [view diff] exact match in snippet view article find links to article

when the luxury yacht White Rose of Drachs was misdirected with spoofed GPS signals by a group of aerospace engineering students from the Cockrell School

GPS puck (455 words) [view diff] exact match in snippet view article find links to article

is a term for the antenna on GPS navigation devices, which receives GPS signals from GPS satellites. The early antennas were round, and thus had the

Curzon Memories App (1,320 words) [view diff] exact match in snippet view article find links to article

includes memories and rephotography of archive photographs triggered by GPS signals as the participant takes the walk. For those who cannot get to the Curzon

GpsOne (536 words) [view diff] exact match in snippet view article find links to article

the GPS signals and a location signal from the network. Mobile Station Assisted (MSA) - The handset is connected to the network, uses GPS signals and

GSAT-10 (439 words) [view diff] exact match in snippet view article find links to article

transponder capacity. The GAGAN payload will provide improved accuracy of GPS signals (of better than seven metres) which will be used by Airports Authority

Orolia (439 words) [view diff] exact match in snippet view article find links to article

emergency call centers (such as 9-1-1 public safety answering points). When GPS signals became publicly available in the 1990s, Spectracom began offering its

Canadian High Arctic Ionospheric Network (465 words) [view diff] exact match in snippet view article find links to article

ionosondes. After passing through the Earth's ionosphere, microwave GPS signals carry information about the total electron content (TEC). This information

Cyclone Global Navigation Satellite System (2,543 words) [view diff] exact match in snippet view article find links to article

Systems (GNSS) signals, primarily GPS. Each satellite receives both direct GPS signals and signals reflected from the Earth's surface; the direct signals pinpoint

Dorota Grejner-Brzezińska (772 words) [view diff] exact match in snippet view article find links to article

of earthquakes and nuclear testing through disturbances measured in GPS signals. Grejner-Brzezińska is originally from Olsztyn, she earned a master's

Ligado Networks (3,377 words) [view diff] exact match in snippet view article find links to article

FCC's unanimous approval for use of spectrum near the L-bands used by GPS signals for their 5G networks in April 2020. The decision came after letters

Automatic vehicle location (2,310 words) [view diff] exact match in snippet view article find links to article

systems are an alternative inside tunnels or other conveyances where GPS signals are blocked by terrain. The low price and ubiquity of Global Positioning

Satellite navigation device (4,388 words) [view diff] exact match in snippet view article find links to article

Outdoors, GPS signals are typically around the −155 dBW level (−125 dBm). Conventional GPS receivers integrate the received GPS signals for the same

Navigation system (551 words) [view diff] exact match in snippet view article find links to article

via a GPS receiver GPS navigation device, a device that can receive GPS signals for the purpose of determining the device's location and possibly to

Wide Area Augmentation System (4,014 words) [view diff] exact match in snippet view article find links to article

precisely surveyed ground stations monitor and collect information on the GPS signals, then send their data to three Wide-area Master Stations (WMS) using

Space weather (7,946 words) [view diff] exact match in snippet view article find links to article

distorted by a disturbed ionosphere. Space weather events that corrupt GPS signals can significantly impact society. For example, the Wide Area Augmentation

GPS/INS (1,028 words) [view diff] exact match in snippet view article find links to article

benefits of using GPS with an INS are that the INS may be calibrated by the GPS signals and that the INS can provide position and angle updates at a quicker

Oxa (1,346 words) [view diff] exact match in snippet view article find links to article

forests, where GPS signals are weak or non-existent, but also in "urban canyons" - cities with tall buildings that obstruct GPS signals for proper navigation

FalconSAT (1,445 words) [view diff] case mismatch in snippet view article find links to article

satellite was replaced with the simpler FalconSAT-5. Spaceflight portal GPS Signals in a Geosynchronous Transfer Orbit: "Falcon Gold" Data Processing (PDF)

Scatterometer (1,449 words) [view diff] no match in snippet view article find links to article

the reflection from the Earth's surface of Global Positioning System (GPS) signals, rather than using an onboard radar transmitter. Scatterometers helped

Constellation Observing System for Meteorology, Ionosphere, and Climate (799 words) [view diff] case mismatch in snippet view article find links to article

Archived from the original on 15 April 2006. "New Satellite System Will Use GPS Signals To Track Hurricanes, Climate Change, and Space Weather" (Press release)

Real-time clock (1,991 words) [view diff] exact match in snippet view article find links to article

2011 US 5893044 Real time clock apparatus for fast acquisition or GPS signals New PCF2123 Real Time Clock Sets New Record in Power Efficiency, futurle

R-330Zh Zhitel (1,184 words) [view diff] exact match in snippet view article find links to article

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

Firefly Aerospace (5,387 words) [view diff] exact match in snippet view article find links to article

LuGRE will continue to extend the reach of GPS signals and, if successful, be the first to discern GPS signals at lunar distances. On May 20, 2021, Firefly

B-611 (1,188 words) [view diff] exact match in snippet view article find links to article

the developer, the accuracy can be further improved if military grade GPS signals are used to replacing the existing civilian GPS signal. Another feature

International Atomic Time (1,735 words) [view diff] exact match in snippet view article find links to article

definition of the second is based on caesium. The clocks are compared using GPS signals and two-way satellite time and frequency transfer. Due to the signal

Roger L. Easton (807 words) [view diff] exact match in snippet view article find links to article

and 2 (in 1974 and 1977). NTS-2 was the first satellite to transmit GPS signals. Easton was born on April 30, 1921, in Craftsbury, Vermont, to Dr. Frank

Hybrid navigation (553 words) [view diff] exact match in snippet view article find links to article

well-defined locations that broadcast information about how accurate the GPS signals are at identifying the locations of these transmitters. Automotive navigation

Pet fence (907 words) [view diff] exact match in snippet view article find links to article

beyond a certain radius from the unit. In another type, the collar uses GPS signals to determine proximity to a predetermined "virtual fence", without the

Seismo-electromagnetics (3,340 words) [view diff] exact match in snippet view article find links to article

Hokkaido University in Japan said that he discovered by accident that GPS signals changed about 40 minutes before the 2011 Tohoku-Oki earthquake. Reviewing

Joint Direct Attack Munition (6,507 words) [view diff] exact match in snippet view article find links to article

notes that the Russian R-330Zh Zhitel has had impacted GPS signals that JDAMs rely on. GPS signals are ”very weak by the time they have travelled the 10

GNSS augmentation (1,505 words) [view diff] exact match in snippet view article find links to article

receiver autonomous integrity monitoring (RAIM), which uses redundant GPS signals to ensure the integrity of the position solution, and to detect faulty

Anthorn Radio Station (1,175 words) [view diff] exact match in snippet view article find links to article

Internet link from the NPL offices at Teddington, using comparison with GPS signals at both locations. Signal monitoring is by radio. To ensure accuracy

Speedometer (3,314 words) [view diff] exact match in snippet view article find links to article

calculate speed by measuring the distance and time between two points using GPS signals. However, various environmental factors such as weather conditions, terrain

Galileo (satellite navigation) (10,617 words) [view diff] exact match in snippet view article

US to 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

M270 Multiple Launch Rocket System (8,292 words) [view diff] exact match in snippet view article find links to article

Russo-Ukrainian War, Russian forces have relied on electronic warfare to jam GPS signals. The inertial navigation system is immune to jamming, but less accurate

Unmanned combat aerial vehicle (8,432 words) [view diff] exact match in snippet view article find links to article

Ukrainian soldiers use GPS signals to guide a drone to find Russian artillery and to guide Ukrainian artillery. Jamming these drone GPS signals cause drones to

Non-directional beacon (3,237 words) [view diff] exact match in snippet view article find links to article

ILS approaches are now being phased out worldwide with DME ranges or GPS signals used, instead, to delineate the different segments of the approach. German

Electromagnetic warfare (3,152 words) [view diff] exact match in snippet view article find links to article

had at the beginning of the invasion. Russian EW capacity to disrupt GPS signals is credited with the reduction in the success of Ukrainian usage of HIMARS

Precision Time Protocol (3,357 words) [view diff] exact match in snippet view article find links to article

that cannot bear the cost of a GPS receiver at each node, or for which GPS signals are inaccessible." PTP was originally defined in the IEEE 1588-2002 standard

RTCM SC-104 (1,883 words) [view diff] exact match in snippet view article find links to article

words end with a 6-bit "parity" code using the same algorithm as the GPS signals, based on Hamming codes. This leaves 24 bits available for data. The

Geotagging (2,545 words) [view diff] exact match in snippet view article find links to article

buildings. Traditional GPS does not need cell phone towers and uses standard GPS signals outside of urban areas. Traditional GPS tends to use more battery power

Asus Eee Pad Transformer TF201 (1,547 words) [view diff] exact match in snippet view article find links to article

problem is a result of the spun aluminium back panel effectively blocking GPS signals, poorly contacting Pogo pin connectors causing further signal loss, and

SSETI Express (satellite) (1,671 words) [view diff] exact match in snippet view article

This contains an automated identification system (AIS) used to receive GPS signals. The AIS signals from Ncube-2 are detected and forwarded to Ncube ground

Duncan Ouseley (889 words) [view diff] exact match in snippet view article find links to article

Vehicles (London) Act 1998, does not include a device that receives GPS signals in the course of a journey, and forwards GPS data to a server located

AGM-154 Joint Standoff Weapon (2,447 words) [view diff] exact match in snippet view article find links to article

enhanced electronics package for the JSOW to prevent electronic spoofing of GPS signals. This ultimately resulted in the JSOW Block II weapon, incorporating

Freccia IFV (2,337 words) [view diff] exact match in snippet view article find links to article

armoured fighting vehicles. The navigation system is using both the GPS signals and the Galileo PRS. The Iron Fist hard-kill protection system has already

GeoEye (1,859 words) [view diff] exact match in snippet view article find links to article

instances. The sensors studied lightning in the atmosphere and the use of GPS signals in atmospheric studies (GPS radio occultation). It was launched 3 April

Penina Axelrad (548 words) [view diff] exact match in snippet view article find links to article

National Academy of Engineering in 2019, "for analysis of multipath GPS signals to improve satellite navigation and new approaches to remote sensing"

Kristine M. Larson (1,071 words) [view diff] exact match in snippet view article find links to article

Larson noticed that there were errors caused by the interference of GPS signals, which correlated with the water content in the surfaces close to the

Soyuz MS (2,711 words) [view diff] exact match in snippet view article find links to article

(Russian: АСН-К, Аппаратура Спутниковой Навигации) relies on GLONASS and GPS signals for navigation. It uses four fixed antennas to achieve a positioning

Receiver autonomous integrity monitoring (1,477 words) [view diff] exact match in snippet view article find links to article

Technology to assess the integrity of GPS signals

Battlefield illumination (1,179 words) [view diff] exact match in snippet view article find links to article

have reduced this function. GPS-guided bombs, for example, rely only on GPS signals, without any locally-provided target designation. Laser-guided bombs

Differential GPS (2,892 words) [view diff] exact match in snippet view article find links to article

concerned about the possibility of enemy forces using the globally available GPS signals to guide their own weapon systems. Originally, the government thought

Marine chronometer (4,803 words) [view diff] case mismatch in snippet view article find links to article

Retrieved 2007-09-22. Montgomery, Bruce G. "Keeping Precision Time When GPS Signals Stop". Cotts Journal Online. Archived from the original on 2011-06-09

Surveying (7,086 words) [view diff] exact match in snippet view article find links to article

roving antenna. The roving antenna then applies those corrections to the GPS signals it is receiving to calculate its own position. RTK surveying covers smaller

Inertial navigation system (5,831 words) [view diff] exact match in snippet view article find links to article

stable. Furthermore, INS can be used as a short-term fallback while GPS signals are unavailable, for example when a vehicle passes through a tunnel.

Refractive index (8,490 words) [view diff] exact match in snippet view article find links to article

"An evaluation of the expression of the atmospheric refractivity for GPS signals". Journal of Geophysical Research. 116 (D11): D11104. Bibcode:2011JGRD

Navigation (7,244 words) [view diff] exact match in snippet view article find links to article

interference and can penetrate better into foliage and buildings than GPS signals. Radar is an effective aid to navigation because it provides ranges and

Electric fence (4,974 words) [view diff] exact match in snippet view article find links to article

are unaware of the buried line. In a similar system, the collar uses GPS signals to determine proximity to a predetermined "virtual fence" without a physical

Weishi rockets (3,691 words) [view diff] exact match in snippet view article find links to article

the developer, the accuracy can be further improved if military grade GPS signals are used to replacing the existing civilian GPS signal. Another feature

Philip Falcone (1,820 words) [view diff] exact match in snippet view article find links to article

development of the LightSquared network, stating it would interfere with GPS signals. On June 27, 2012, the U.S. Securities and Exchange Commission filed

Neil McCasland (1,549 words) [view diff] exact match in snippet view article find links to article

ISBN 978-1-329-16478-9. Brewin, Bob (1999-03-21). "DOD to step up defense of GPS signals". FCW. Archived from the original on 2020-11-30. Retrieved 2020-11-22

Honeywell (10,028 words) [view diff] exact match in snippet view article find links to article

Landing System at Malaga-Costa del Sol Airport in Spain, which augments GPS signals to make them suitable for precision approach and landing, before broadcasting

Hellenic Air Force (8,331 words) [view diff] exact match in snippet view article find links to article

system of electronic devices. These can disrupt the communications and GPS signals of the TB2. This can deny Greek airspace to Turkish drones in the event

Underwater survey (3,988 words) [view diff] exact match in snippet view article find links to article

of establishing a baseline, or an accurate position for the ROUV, as GPS signals do not propagate through water. In some cases a physical line has been

G-Shock (5,428 words) [view diff] exact match in snippet view article find links to article

Gravitymaster that allows the watch to synchronize the time through GPS signals and also adjust the time zone automatically. The MRG-G1000 and MTG-G1000

Tropical cyclone (20,680 words) [view diff] exact match in snippet view article find links to article

minutes. Other satellites provide information from the perturbations of GPS signals, providing thousands of snapshots per day and capturing atmospheric temperature

Smart thermostat (5,432 words) [view diff] exact match in snippet view article find links to article

created around the location of a smartphone or other device, based on GPS signals. The benefit of having a smart thermostat with geofencing capabilities

Acoustiguide (1,430 words) [view diff] no match in snippet view article find links to article

video or AR using object or picture recognition as well as beacon- or GPS-signals for triggering the content of the POI. Company history, Acoustiguide

Firefly Aerospace Blue Ghost (1,332 words) [view diff] exact match in snippet view article find links to article

LuGRE will continue to extend the reach of GPS signals and, if successful, be the first to discern GPS signals at lunar distances. Spaceflight portal Other

North Toronto station (2,258 words) [view diff] exact match in snippet view article find links to article

were almost completely recovered and restored; now, with the help of GPS signals, they display the time with much greater precision and reliability. The

Toyota Mark II (8,057 words) [view diff] exact match in snippet view article find links to article

generation of Mark II also host a new feature call Navi AI-shift, which uses GPS signals and shifts the automatic transmission into the appropriate gear. The

UNAVCO (3,159 words) [view diff] case mismatch in snippet view article find links to article

Larson, and J. J. Braun, Sensing Vegetation Growth Using Reflected GPS Signals, Geophys. Res. Lett. 37, L12401, doi:10.1029/2010GL042951, 2010. Sato

Counter-IED equipment (3,679 words) [view diff] exact match in snippet view article find links to article

without needing to rely on continuous tracking through a lead vehicle or GPS signals. When equipped with a UGV, each vehicle is capable of navigation to the

Saint Helena Airport (7,886 words) [view diff] no match in snippet view article find links to article

system (GBAS), a technology that augments global positioning system (GPS) signals to make them suitable for precision approach and landing. It overcomes

Ionospheric storm (3,229 words) [view diff] exact match in snippet view article find links to article

systems are drastically affected. In the late 20th and 21st centuries, GPS signals were incorporated within various phones, so the commonality of its use

Headlamp (16,285 words) [view diff] exact match in snippet view article find links to article

vehicle speed to swivel the headlamps. The most advanced AFS systems use GPS signals to anticipate changes in road curvature, rather than simply reacting

MERMAID (1,924 words) [view diff] exact match in snippet view article find links to article

a variety of sources (e.g. microseisms or volcanic eruptions). Since GPS signals do not penetrate under water, the actual location of recording specific

Enhanced flight vision system (3,463 words) [view diff] exact match in snippet view article find links to article

inherent precision, the reliability is not high enough for landing. GPS signals may be intentionally jammed, or lose integrity. In such cases, it may

Autonomous cargo ship (2,751 words) [view diff] exact match in snippet view article find links to article

managed to compromise systems such as AIS, using cheap jammers to spoof GPS signals and hacking into the servers of container terminals in order to get shipping

COVID-19 apps (15,031 words) [view diff] exact match in snippet view article find links to article

app is developed by the Norwegian government, and uses Bluetooth and GPS signals. On 15 June 2020 the country halted the app over privacy concerns after

Maritime history of the United Kingdom (11,635 words) [view diff] exact match in snippet view article find links to article

number elsewhere in the world. It was only phased out after the USA GPS signals became available for public use in 2001. Electronic echo sounding was

List of equipment of the Turkish Land Forces (6,207 words) [view diff] exact match in snippet view article find links to article

communication, wired drone systems capable of performing tasks without GPS signals entered the inventory of security forces. Serçe 1-3 Turkey Miniature

2024 Iran–Israel conflict (3,496 words) [view diff] exact match in snippet view article find links to article

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

Tactical Robotics Cormorant (2,947 words) [view diff] exact match in snippet view article find links to article

almost entirely on inertial navigation system measurements augmented by GPS signals. The Cormorant uses the Integrity real-time operating system (RTOS) and

Sypaq Corvo Precision Payload Delivery System (1,217 words) [view diff] exact match in snippet view article find links to article

flying via dead reckoning based on its speed and heading, but will use GPS signals where available to improve accuracy. The small size, foamboard construction

List of Lab Rats episodes (2,026 words) [view diff] exact match in snippet view article find links to article

evidence for their existence. They leave the house and deactivate their GPS signals so the FBI cannot find them. Principal Perry agrees to keep the bionic

2013 in science (33,008 words) [view diff] exact match in snippet view article find links to article

backup navigation system that allows ships to navigate even if their GPS signals fail. The first vessel of a new class of nuclear submarine goes into

May 2024 solar storms (3,306 words) [view diff] exact match in snippet view article find links to article

behavior, including difficulty maintaining a stable hover, disruption of GPS signals, and in some cases a sudden loss of control which resulted in a crash

Israeli airstrike on the Iranian consulate in Damascus (5,346 words) [view diff] case mismatch in snippet view article find links to article

5 April 2024. Engel Rasmussen, Sune; Peled, Anat. "Israel Scrambles GPS Signals as Country Girds for Potential Retaliation From Iran". The Wall Street