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What's GPS?

What picture comes to mind when you think of modern farming?

Do you see a huge tractor equipped with a receiver and computer that integrate data from a satellite?

"A farmer in America, the hero of the agricultural economy, rides in a portable office on his tractor. It's air-conditioned, has a phone, a satellite-driven GPS location device, and sophisticated sensors near the ground.

At home, his computer is connected to the never-ending stream of weather data, the worldwide grain markets, his bank, moisture detectors in the soil, digitized maps, and his own spreadsheets of cash flow."
~ Ian Jukes

Agriculture today is high-tech. As a matter of fact, many agricultural research scientists work with the National Aeronautics and Space Administration's (NASA) Earth Observing System. The EOS is a series of satellites gazing down on our planet making observations of the climate, land surface, biosphere, solid Earth, atmosphere, and oceans.

Farmers use GPS to locate their position in the field.These satellites help farmers examine fields for crop damage, map soil conditions, and look for changes in the environment that could affect farming.



What is GIS?

Geographic Information System

GIS is a computer-based tool for mapping and analyzing things that exist and events that happen on earth.

Many farmers use computers, spreadsheets, and geographic information system (GIS) software to analyze data and create maps. These maps can include information such as soil type, pH, nutrient levels, and land features such as hills.


What does GPS mean?

Global Positioning System

GPS technology uses signals from satellites to pinpoint locations on earth.

Global Positioning SystemSatellites continuously transmit signals that are monitored by ground stations worldwide. These signals can be detected by anyone with a GPS receiver in their hand, car or tractor.


What do you think?

How might people use GPS for hiking, hunting, boating, camping and flying?

Uses for GPS

Who Uses GPS?

How GPS Receivers Work

What GPS Receivers Can Do

All About GPS


Explore GPS Continued …


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