Asked by: Queila Regina
science geography

What uses a series of 24 satellites?

Last Updated: 1st May, 2020

45
Navstar is a network of U.S. satellites that provide global positioning system (GPS) services. They are used for navigation by both the military and civilians. These 24 main GPS satellites orbit Earth every 12 hours, sending a synchronized signal from each individual satellite.

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Hereof, what tools are used to study geography?

Geographers use all sorts of tools to help them investigate their questions. They commonly use maps, globes, atlases, aerial photographs, satellite photographs, information graphics, and a computer program called GIS. Read below to learn about different tools. A map is a flat representation of a part of Earth.

how many satellites does it take for GPS to register an accurate location? four satellites

Also to know is, which type of satellite has the shortest orbital life?

Satellite radio offers uninterrupted, near-CD quality music that is beamed to your radio from satellites.

What is a way of drawing the Earth's surface that reduces distortion?

A map projection is a way of drawing the earth's surface that reduces distortion.

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What are the two main branches of geography?

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Today, geomatics methods include spatial analysis, geographic information systems (GIS), remote sensing, and global positioning systems (GPS).

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How is GPS used in geography?

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What type of satellite has propagation delay?

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Which wireless technology requires unobstructed line of sight between the sending and receiving devices?

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What kind of information can the GPS provide?

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What affects GPS accuracy?

It depends. GPS satellites broadcast their signals in space with a certain accuracy, but what you receive depends on additional factors, including satellite geometry, signal blockage, atmospheric conditions, and receiver design features/quality. However, their accuracy worsens near buildings, bridges, and trees.

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How does GPS keep time?

In a nutshell, the receiver looks at incoming signals from four or more satellites and gauges its own inaccuracy. So the receiver sets its clock to that time value, and it then has the same time value that all the atomic clocks in all of the satellites have. The GPS receiver gets atomic clock accuracy "for free."

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Why are 4 satellites needed for GPS?

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How long will GPS satellites last?

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