Where on Earth Am I?

Courtesy of U.S. Army

360o

24,901.55midivide

69.17miCourtesy of NASA

69.17mi

hddo mm’

60min

1.15miCourtesy of NASA

1.15mi = 6,072ft

hddo mm’ ss”

60sec

101ftCourtesy of NASA

hddo mm’ ss.s”

10.1ft = 10 to 15ft

Courtesy of NASA

hddo mm’ ss.s”=10.1ft

hddo mm’ ss”=101ft

hddo mm’=1.15mi

hddo=69.1mi

Courtesy of NASA

GPSCourtesy of U.S.Army

GLOBAL POSITIONING SYSTEM

• GPS was developed by the U.S. Dept. of Defense as a world wide navigation system.

• GPS uses satellites and computers to compute position anywhere on earth.

• GPS consists of three segments: space, control and user.

USAF Research Laboratory

http://gps.faa.gov

SpaceCourtesy of U.S.Army

Courtesy of Garmin Corp

http://www.nlsa.com/gps.html

http://gps.faa.gov

Control

Courtesy of Garmin Corp.

User