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What is GPS ? |
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The information about GPS can be looked
here
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Whom and how much to pay for use the GPS satellite signal? |
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Use of GPS satellite signals is carried
out completely on a free-of-charge basis (there are no
obvious or hidden payments)..
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In
what countries the equipments (system) are
function? |
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The equipment (system) function
in all countries in all world.
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