Global Positioning System

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Map view:

Zoom: 100%

More settings

Connection length 100% Label size 100% Node size 100% Line width 100% Label width 100%

Export map as:

Global Positioning System topic overview

The analysis highlights History, Applications, Art and Measurement as prominent areas in the source structure around Global Positioning System.

Related topics: 347
Source areas: 11
Connected nodes: 358
Extracted relationships: 102
Concept neighborhoods: 78
Bridge connections: 358

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

History · 103 topics

Applications · 91 topics

Overview · 48 topics

Structure · 34 topics

Principles · 24 topics

Regulatory spectrum issues concerning GPS receivers · 18 topics

Communication · 11 topics

Similar systems · 7 topics

Navigation equations · 5 topics

Accuracy enhancement and surveying · 3 topics

Backup system · 3 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Accuracy: 30–500 cm (0.98–16 ft)
Cost: Initial constellation: $12 billion · $12 billion · Operating cost: $1.84 billion per year (2023) · $1.84 billion per year (2023)
Country/ies of origin: United States
Coverage: Global
Current usable satellites: 31 operational
First launch: February 22, 1978; 48 years ago (1978-02-22)

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Navigation equations

Overdetermined Overdetermined system
Fitting method Mean
Geometric dilution of position Dilution of precision (navigation)
WGS 84
Geodetic datum Datum (geodesy)

Accuracy enhancement and surveying

Regulatory spectrum issues concerning GPS receivers

Part 15 Title 47 CFR Part 15
Virginia
LightSquared
Motient
U.S. Department of Agriculture
U.S. Coast Guard
National Aeronautics and Space Administration
U.S. Department of the Interior United States Department of the Interior
U.S. Department of Transportation
Best Buy
Sharp Sharp Corporation
C Spire
Trimble Navigation
Aircraft Owners and Pilots Association
Air traffic control
United States Defense Department
911 9-1-1
National Telecommunications and Information Administration

Similar systems

Backup system

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Global Positioning System connects Entity context

The extracted context around Global Positioning System shows recurring relationship patterns in the source. For example, Global Positioning System → Aeronautics, American Institute, Archived, Astronautics, Berenguer, Bloomsbury Publishing, Bowditch, Chapter, Culture, Dunn, Galileo, GPS, Greg, How GPS Is Changing, How GPS Shaped, Introduction, ISBN, Jaizki, Juan, Katherine Another extracted example is Global Positioning System → Enhancement, GNSS, GPS, Some, There. Use these groups to spot repeated connection types before inspecting the individual relationships.

Top relations

related to Further reading · 50

Global Positioning System → Aeronautics, American Institute, Archived, Astronautics, Berenguer, Bloomsbury Publishing, Bowditch, Chapter, Culture, Dunn, Galileo, GPS, Greg, How GPS Is Changing, How GPS Shaped, Introduction, ISBN, Jaizki, Juan, Katherine

related to Accuracy enhancement and surveying · 5

Global Positioning System → Enhancement, GNSS, GPS, Some, There

Cost · 4

Global Positioning System → $1.84 billion per year (2023), $12 billion, Initial constellation: $12 billion, Operating cost: $1.84 billion per year (2023)

Accuracy · 1

Global Positioning System → 30–500 cm (0.98–16 ft)

Country/ies of origin · 1

Global Positioning System → United States

Coverage · 1

Global Positioning System → Global

Current usable satellites · 1

Global Positioning System → 31 operational

First launch · 1

Global Positioning System → February 22, 1978; 48 years ago (1978-02-22)

Last launch · 1

Global Positioning System → April 21, 2026; 4 months ago (2026-04-21)

Nominal satellites · 1

Global Positioning System → 24

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

gps satellites satellite receiver system navigation time use military space clock receivers position force states signals united used fcc accuracy

Global Positioning System relationships Subject–Predicate–Object triples

TTTA extracted 102 structured relationships around Global Positioning System. Examples in this analysis include Global Positioning System → Accuracy → 30–500 cm (0.98–16 ft) and Global Positioning System → Cost → Initial constellation: $12 billion. The table shows each extracted connection, where it came from and its confidence.

Subject	Predicate	Object	Confidence	Src
Global Positioning System	Accuracy	30–500 cm (0.98–16 ft)	1.00	infobox
Global Positioning System	Cost	Initial constellation: $12 billion	1.00	infobox
Global Positioning System	Cost	$12 billion	1.00	infobox
Global Positioning System	Cost	Operating cost: $1.84 billion per year (2023)	1.00	infobox
Global Positioning System	Cost	$1.84 billion per year (2023)	1.00	infobox
Global Positioning System	Country/ies of origin	United States	1.00	infobox
Global Positioning System	Coverage	Global	1.00	infobox
Global Positioning System	Current usable satellites	31 operational	1.00	infobox
Global Positioning System	First launch	February 22, 1978; 48 years ago (1978-02-22)	1.00	infobox
Global Positioning System	Last launch	April 21, 2026; 4 months ago (2026-04-21)	1.00	infobox
Global Positioning System	Nominal satellites	24	1.00	infobox
Global Positioning System	Operator(s)	US Space Force (Mission Delta 31)	1.00	infobox
Global Positioning System	Orbital height	20,180 km (12,540 mi)	1.00	infobox
Global Positioning System	Orbital period	.mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;vertical-align:super}.mw-parser-output .frac .de…	1.00	infobox
Global Positioning System	Regime	6 MEO planes	1.00	infobox
Global Positioning System	Revisit period	1 sidereal day	1.00	infobox
Global Positioning System	Status	Operational	1.00	infobox
Global Positioning System	Total launches	82	1.00	infobox
Global Positioning System	Type	Military, civilian	1.00	infobox
Global Positioning System	Website	gps.gov	1.00	infobox

Related concept clusters Concept neighborhoods

The concept neighborhoods around Global Positioning System bring nearby vocabulary together. In this analysis, examples include Navigation, Accuracy and System. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

Global Positioning System
- Navigation
- Accuracy
- System
- Systems
- Military
- Force
- Space
- Constellation
- Using
- Gps
- Civilian
- Information
global positioning system
- Navigation
- Control
- Accuracy
- Military
- United
- System
- States
- Satellite
- Systems
- Also
- Air
- Force
gps navigation device
- Systems
- System
- Satellite
- Positioning
- Use
- Time
- Receivers
- Satellites
- Receiver
- Military
- Navigation
- Accuracy
automotive navigation system
- Systems
- System
- Satellite
- Positioning
- Control
- Military
- United
- States
- Accuracy
- Time
- Accurate
- Force
united states space force
- United
- Air
- Space
- Control
- System
- Navigation
- May
- States
- Positioning
- First
- Systems
- Use
hyperbolic navigation
- Systems
- System
- Satellite
- Positioning
- Military
- Accuracy
- Time
- Accurate
- United
- Force
- Position
- First
global navigation satellite systems
- Systems
- System
- Receiver
- Satellite
- Positioning
- Time
- First
- Military
- Signals
- Position
- Clock
- Accuracy
time information
- Clock
- Systems
- Location
- Using
- Data
- Four
- Signals
- Satellites
- Constellation
- Positioning
- May
- One

Connections between topic areas Semantic bridges

For Global Positioning System, one of the stronger structural bridges in this analysis connects Global Positioning System with History. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3

Global Positioning System — History · splits 255 ⟂ 104

Global Positioning System — Applications · splits 267 ⟂ 92

Global Positioning System — Overview · splits 310 ⟂ 49

Global Positioning System — Structure · splits 324 ⟂ 35

Global Positioning System — Principles · splits 334 ⟂ 25

Global Positioning System — Regulatory spectrum issues concerning GPS receivers · splits 340 ⟂ 19

Global Positioning System — Communication · splits 347 ⟂ 12

Global Positioning System — Similar systems · splits 351 ⟂ 8

Global Positioning System — Navigation equations · splits 353 ⟂ 6

Global Positioning System — Accuracy enhancement and surveying · splits 355 ⟂ 4

Global Positioning System — Backup system · splits 355 ⟂ 4

Map overview Semantic statistics

Global Positioning System

Nodes359

Edges358

Triples102

Avg. degree1.99

Density0.005571

Components1

Source & methodology

TTTA analyzes the structure around Global Positioning System to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Applications, Art & Measurement, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Global Positioning System · EN edition · Analysis: TopicsToTalkAbout