HOW ACCURATE IS A GPS UNIT?

Today's GPS receivers are extremely accurate, thanks to their parallel multi-channel design. A GPS’s 12 parallel channel receivers are quick to lock onto satellites when first turned on and they maintain strong locks, even in dense foliage or urban settings with tall buildings. Certain atmospheric factors and other sources of error can affect the accuracy of GPS receivers. GPS receivers are accurate to within 15 meters on average.

HOW DOES IT WORK?

A GPS receiver must be locked on to the signal of at least three satellites to calculate a 2D position (latitude and longitude) and track movement. With four or more satellites in view, the receiver can determine the user's 3D position (latitude, longitude and elevation). Once the user's position has been determined, the GPS unit can calculate other information, such as speed, bearing, track, trip distance, distance to destination, sunrise and sunset time and more.

CLICK HERE FOR THE GPS RODEO STUDENT SHEET

CLICK HERE FOR GPS RODEO STUDENT SHEET (SPANISH)