Gps Operation; Gps Performance Enhancement - Motorola APX 6000 User Manual

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request the system to determine the real-time location
coordinates of the radio.

GPS Operation

The GPS technology uses radio signals from earth
orbiting satellites, to establish the location
coordinates, maximizing your view of clear
unobstructed sky is essential for optimum
performance.
Where adequate signals from multiple satellites are
not available (usually because you cannot establish a
view of a wide area of the sky), the GPS feature of
your radio will not work. Such situations include but
are not limited to:
Underground locations
Inside of buildings, trains, or other covered
vehicles
Under any other metal or concrete roof or
structure
Between tall buildings or under dense tree-cover
In temperature extremes outside the operating
limits of your radio
Even where location information can be calculated in
such situations, it may take longer to do so, and your
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location estimate may not be as accurate. Therefore,
English
in any emergency situation, always report your
location to your dispatcher.
Keep in mind that the accuracy of the location
information and the time it takes to obtain it varies
depending upon circumstances, particularly the ability
to receive signals from an adequate number of
satellites.
Note: Even where adequate signals from multiple
satellites are available, your GPS feature only
provides an approximate location, usually within 20
meters from your actual location, but sometimes
farther away.
The satellites used by the GPS feature are controlled
by the U.S. government and are subject to changes
implemented in accordance with the Department of
Defense GPS user policy and the Federal Radio
Navigation Plan. These changes may affect the
performance of the GPS feature on your radio.

GPS Performance Enhancement

Sometimes, the GPS feature may be unable to
complete a location calculation successfully. You then
see a message indicating that your radio cannot
connect to enough visible satellites.

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