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Section 3B: Location Based Services 123
you to use, various GPS applications, such as Microsoft Streets &
Trips, using your device. (See “Using your GPS receiver with GPS
applications” on page 124.)
GPS satellites circle the earth twice a day in a very precise orbit and
transmit radio signal information to earth. The GPS receiver then
takes this information to calculate your precise location. A GPS
receiver must be locked on to the signal of at least three orbiting
satellites to calculate a 2D position (latitude and longitude) and
track movement. With four or more satellites in sight, the USB
modem’s GPS receiver can determine your 3D position (latitude,
longitude and elevation) as well as the horizontal 3D estimated
position error (HEPE).
To display your GPS receiver
1. Select Menu > Settings > Sprint Location Services
2. Select the Display GPS Receiver check box to have the GPS
receiver interface displayed when you start Sprint Mobile
Broadband. The GPS receiver will show under the main
interface. When this box is unchecked the GPS receiver
interface will not be shown.