Jove
Visualize
Contact Us

Related Concept Videos

Errors in Global Positioning System01:26

Errors in Global Positioning System

49
Global Positioning System (GPS) technology has revolutionized navigation and positioning, but its accuracy is often compromised by various errors. These errors, stemming from environmental, satellite, and receiver-related factors, require careful mitigation to ensure reliable performance across applications.Atmospheric ErrorsGPS signals travel through the Earth’s ionosphere and troposphere, introducing delays which affect accuracy. The ionosphere is strongly influenced by charged particles,...
49
Field Application of Global Positioning System01:28

Field Application of Global Positioning System

51
The Global Positioning System (GPS) has become an indispensable tool in fieldwork, offering unparalleled precision and efficiency for surveying, navigation, and infrastructure development. By harnessing signals from a constellation of satellites, GPS receivers determine the location of objects with remarkable speed and accuracy, often completing calculations within a second.Advantages of Modern GPS TechnologyContemporary GPS receivers are designed to meet the practical demands of field...
51
Design Example: Alignment of a Road Line Using GIS01:17

Design Example: Alignment of a Road Line Using GIS

51
The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
51
Types of Global Positioning System Surveys01:30

Types of Global Positioning System Surveys

63
GPS surveying methods vary in application, accuracy, and data collection techniques, catering to diverse surveying and mapping needs. Static GPS, kinematic GPS, and real-time kinematic (RTK) surveying are widely used. Each technique offers distinct advantages.Static GPS involves placing one receiver at a known reference point and another at the target point. It collects exact positional data by observing multiple satellite ranges over an extended period, achieving centimeter-level accuracy for...
63
Introduction to Global Positioning System01:30

Introduction to Global Positioning System

67
The Global Positioning System (GPS) revolutionized positioning on Earth, providing precise location data through satellite ranging. The GPS system was developed in 1978 by the U.S. Department of Defense  for military use, and it became available for civilian applications in 1983, transforming fields including navigation, fleet management, and time synchronization for telecommunications systems.GPS consists of satellites in medium Earth orbit, about 20,200 kilometers above the surface,...
67
Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device01:30

Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device

56
Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...
56

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Detectability constraints on meso-scale structure in complex networks.

PloS one·2025
Same author

Social Sensing of Heatwaves.

Sensors (Basel, Switzerland)·2021
Same author

Studying the UK job market during the COVID-19 crisis with online job ads.

PloS one·2021
Same author

Scaling laws in geo-located Twitter data.

PloS one·2019
Same author

The human geography of Twitter: Quantifying regional identity and inter-region communication in England and Wales.

PloS one·2019
Same author

Social sensing of floods in the UK.

PloS one·2018
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Jul 12, 2025

Evaluation of an Exclusive Spur Dike U-Turn Design with Radar-Collected Data and Simulation
11:41

Evaluation of an Exclusive Spur Dike U-Turn Design with Radar-Collected Data and Simulation

Published on: February 1, 2020

20.4K

A critical analysis of the What3Words geocoding algorithm.

Rudy Arthur1

  • 1Department of Computer Science, University of Exeter, Exeter, United Kingdom.

Plos One
|October 25, 2023
PubMed
Summary
This summary is machine-generated.

The What3Words geocoding system creates confusingly similar addresses, raising concerns about its reliability, especially for critical applications like emergency services. This study highlights potential risks due to address proximity and similarity.

More Related Videos

Trajectory Data Analyses for Pedestrian Space-time Activity Study
16:14

Trajectory Data Analyses for Pedestrian Space-time Activity Study

Published on: February 25, 2013

13.6K
qPCRTag Analysis - A High Throughput, Real Time PCR Assay for Sc2.0 Genotyping
07:00

qPCRTag Analysis - A High Throughput, Real Time PCR Assay for Sc2.0 Genotyping

Published on: May 25, 2015

17.1K

Related Experiment Videos

Last Updated: Jul 12, 2025

Evaluation of an Exclusive Spur Dike U-Turn Design with Radar-Collected Data and Simulation
11:41

Evaluation of an Exclusive Spur Dike U-Turn Design with Radar-Collected Data and Simulation

Published on: February 1, 2020

20.4K
Trajectory Data Analyses for Pedestrian Space-time Activity Study
16:14

Trajectory Data Analyses for Pedestrian Space-time Activity Study

Published on: February 25, 2013

13.6K
qPCRTag Analysis - A High Throughput, Real Time PCR Assay for Sc2.0 Genotyping
07:00

qPCRTag Analysis - A High Throughput, Real Time PCR Assay for Sc2.0 Genotyping

Published on: May 25, 2015

17.1K

Area of Science:

  • Geomatics and Spatial Information Science
  • Computer Science and Artificial Intelligence
  • Human-Computer Interaction

Background:

  • What3Words is a popular geocoding system using three-word phrases for location identification.
  • Its adoption spans logistics and emergency services globally.
  • Concerns exist regarding the reliability and potential for address confusion.

Purpose of the Study:

  • To investigate claims of What3Words unreliability.
  • To analyze the algorithm's potential for creating confusable addresses.
  • To discuss the implications for critical and emergency use cases.

Main Methods:

  • Algorithmic analysis of the What3Words geocoding system.
  • Identification and quantification of confusable address pairs.
  • Spatial analysis of the proximity of similar addresses.

Main Results:

  • The What3Words algorithm generates numerous pairs of confusable addresses.
  • Some confusable addresses are located in close proximity.
  • The system's design inherently increases the risk of misidentification.

Conclusions:

  • The What3Words algorithm produces address pairs that are easily confused.
  • This poses significant risks for applications requiring precise location data, particularly in emergencies.
  • Further scrutiny of geocoding systems is needed for critical infrastructure.