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Nokia 002F4W8 User Manual: Positioning (gps); About Gps; Assisted Gps (a-gps)

Nokia cell phone user guide.
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Positioning (GPS)

You can use applications such as Maps and GPS data
to find out your location, or measure distances and
coordinates. These applications require a GPS
connection.

About GPS

The Global Positioning System (GPS) is a worldwide
radio navigation system that includes 24 satellites
and their ground stations that monitor the
operation of the satellites. Your device has an
internal GPS receiver.
A GPS terminal receives low-power radio signals
from the satellites and measures the travel time of
the signals. From the travel time, the GPS receiver
can calculate its location to the accuracy of metres.
The coordinates in the GPS are expressed in degrees
and decimal degrees format using the international
WGS-84 coordinate system.
The Global Positioning System (GPS) is operated by
the government of the United States, which is solely
responsible for its accuracy and maintenance. The
accuracy of location data can be affected by
52
adjustments to GPS satellites made by the United
States government and is subject to change with
the United States Department of Defense civil GPS
policy and the Federal Radionavigation Plan.
Accuracy can also be affected by poor satellite
geometry. Availability and quality of GPS signals
may be affected by your location, buildings, natural
obstacles, and weather conditions. The GPS receiver
should only be used outdoors to allow reception of
GPS signals.
Any GPS should not be used for precise location
measurement, and you should never rely solely on
location data from the GPS receiver and cellular
radio networks for positioning or navigation.
To enable or disable different positioning methods,
such as Bluetooth GPS, press
Settings
General
>
>
Positioning
methods.

Assisted GPS (A-GPS)

Your device also supports Assisted GPS (A-GPS).
A-GPS is a network service.
Assisted GPS (A-GPS) is used to retrieve assistance
data over a packet data connection, which assists in
calculating the coordinates of your current location
, and select
Tools
Positioning
>
>

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