Positioning (Gps); About Gps; Assisted Gps (A-Gps) - Nokia N97 Manual Del Usuario

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Positioning (GPS)

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

About GPS

The coordinates in the GPS are expressed in the
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
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
80
location data from the GPS receiver and cellular radio
networks for positioning or navigation.
To enable or disable different positioning methods,
select
Menu
Applications
>
Positioning
Positioning
>

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
when your device is receiving signals from satellites.
When you activate A-GPS, your device receives useful
satellite information from an assistance data server
over the cellular network. With the help of assisted
data, your device can obtain the GPS position faster.
Your device is preconfigured to use the Nokia A-GPS
service, if no service provider-specific A-GPS settings
are available. The assistance data is retrieved from the
Nokia A-GPS service server only when needed.
To disable the A-GPS service, select
Applications
Location
>
Location
and
>
methods.
Menu
>
and
Options
>

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