GPSSSSSSSSSSSSGPSSSSSSSSSSSS

Ms. CreedonMs. Creedon

Ms. SpikerMs. Spiker

What Should I Learn Today?What Should I Learn Today?

What is GPS and what is the GPS What is GPS and what is the GPS used for?used for?

Who uses GPS?Who uses GPS? Why we are learning about the GPS?Why we are learning about the GPS? When and where will WE be using When and where will WE be using

this GPS?this GPS?

So, what is the GPS?So, what is the GPS? A Global Positioning System that uses the radio A Global Positioning System that uses the radio

signals of 24 satellites to provide reliable signals of 24 satellites to provide reliable positioning, navigation, and timing services. positioning, navigation, and timing services.

The GPS is made up of three parts: The GPS is made up of three parts: • satellites orbiting the Earth; satellites orbiting the Earth; • control and monitoring stations on Earth; and control and monitoring stations on Earth; and • the GPS receivers owned by users. the GPS receivers owned by users.

GPS satellites send signals from space that are GPS satellites send signals from space that are picked up and identified by GPS receivers. Each GPS picked up and identified by GPS receivers. Each GPS receiver then provides 3D location (latitude, receiver then provides 3D location (latitude, longitude, and altitude) plus the time.longitude, and altitude) plus the time.

Now what can GPS be used for?Now what can GPS be used for?

Localization Where am I?

Navigation How do I move from one place to another?

Tracking How do things and people move?

Maps Draw maps

Time measurements Speed and Direction of Movement

How fast am I traveling? Which way am I going?

Who uses GPS?Who uses GPS?Who uses GPS?Who uses GPS?A few people are…A few people are… MilitaryMilitary U.S. Coast GuardU.S. Coast Guard PilotsPilots FishermanFisherman BoatersBoaters FarmersFarmers

WE DO!!!!!!!!!!!!WE DO!!!!!!!!!!!!

Ms. Creedon, Ms. Spiker, why are Ms. Creedon, Ms. Spiker, why are we learning about the GPS?we learning about the GPS?