Content tagged "gps"

Map@Syst has a new website!

Geospatial Technology Updated: February 17, 2017

Optimizing Field Efficiency to Save Fuel

Farm Energy Updated: November 17, 2015

Field efficiency means completing a particular field operation while wasting the least amount of time, fuel, and farm resources. The term refers to the time...

How are GPS satellites powered?

Geospatial Technology Science for Youth Updated: October 14, 2015

The GPS satellites are mainly powered by solar energy, or energy from the sun. They do have backup batteries in case of a solar eclipse, and they each have...

How are maps used with GPS and GIS?

Geospatial Technology Science for Youth Updated: June 03, 2015

A Geographic Information System (GIS) takes the information gathered from Global Positioning System (GPS) units and organizes the information into maps. GIS...

What is geospatial technology?

Science for Youth Updated: May 27, 2015

Geospatial technology refers to equipment used to measure and analyze Earth's land and features. Systems such as Global Positioning System (GPS) and...

What is the difference between GPS and GIS?

Science for Youth Updated: May 27, 2015

GPS stands for Global Positioning System. GPS uses satellites that orbit Earth to send information to GPS receivers that are on the ground. The information...

What is a satellite?

Science for Youth Updated: May 27, 2015

A man-made satellite is a machine that is launched into space. It orbits or moves around Earth or another body in space. There are thousands of satellites...

What is the difference between a recreational grade GPS, a mapping grade GPS, and a survey grade GPS?

Geospatial Technology Updated: October 03, 2014

1. Recreational grade GPS receivers are sold at most box stores and at many sporting goods and camping stores. They are also available widely through...

Map@Syst Geocoin Adventure

Geospatial Technology Updated: June 16, 2014

The Map@Syst Geocoin Adventure The Map@Syst Community of Practice would like to invite you to join in our geocaching challenge! We've created a series of...

What are GPS differential corrections?

Geospatial Technology Updated: January 22, 2014

Every time a GPS receiver calculates its position, there is some amount of error inherent in the calculated position. Errors can be introduced from a number...

Geocaching: Retrieving / Grabbing a Trackable Item (Geocoin or Travelbug)

Geospatial Technology Updated: October 16, 2013

If someone has mailed/given you a trackable item, or if you have found a trackable item, you will need to virtually “grab it” from its current holder (owner)...

What is mobile GIS?

Geospatial Technology Updated: September 18, 2013

Mobile GIS is taking Geographic Information Systems (GIS) out of the office and into the field. A mobile GIS allows folks out in the field to capture, store,...

Novel Ground Truth Method for Crop Fields Combining a Global Positioning System (GPS) and a Handheld Geographic Information System (HGIS)

Geospatial Technology Updated: September 18, 2013

For the state of Arizona, Geographic Information System (GIS) map templates are created on an annual basis depicting the location of all potential crop...

GPS Applications in Crop Production

Geospatial Technology Updated: September 28, 2011

GPS and Agriculture

Learning Lesson - Understanding Accuracy and Precision with GPS (Garmin Map60cx)

Geospatial Technology Updated: September 27, 2011

General GPS Lesson – Exploring the Accuracy of Recreational Grade GPS UnitsSummary: GPS accuracy and precision is always a topic of interest. This exercise...

How to Geocache

Geospatial Technology Updated: September 27, 2011

You've decided to take the plunge and begin geocaching. Congratulations, you are ready for a fun adventure. This guide is designed to be used with...

Position Dilution of Precision (PDOP)

Geospatial Technology Updated: September 27, 2011

A unitless figure of merit expressing the relationship between the error in user position and the error in satellite position. For most purposes and GPS...

The Virginia 4-H Geocoin Adventure

Geospatial Technology Updated: September 27, 2011

The Virginia 4-H Geocoin AdventureThe Virginia 4-H Geocoin Adventure is the result of a collaborative effort between Virginia 4-H, the Virginia Geospatial...

Geocaching: How to Drop Off a Trackable Item (Geocoin or Travelbug)

Geospatial Technology Updated: September 27, 2011

Geocaching often involves items in a cache that are considered trackable. These items have alpha-numeric codes that are located on the item. Most trackable...

Adventures of the Map@Syst Geocoin

Geospatial Technology Updated: September 27, 2011

Response to the Map@Syst geocoin was overwhelmingly positive! The geocaching community stepped forward and responded to the call to collectively participate...

What is GPS?

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This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.