Concerning of Poor GPS Signal
It is possible unable to receive GPS signal or signal low in these places:
¾
Inside the tunnel, GPS signal is blocked.
¾
Beside some buildings, GPS signal
is low or disturbed.
¾
Inside forests, or too many covers,
GPS signal is low or disturbed.
¾
Covers above, GPS signal are blocked.
¾
Inside buildings, GPS signal is blocked.
If you use the USB GPS Receiver inside the car, some anti-sunlight windscreen film will make the GPS signal degraded or signal
blank.
GPS satellite is owned by America military; sometimes they will tune-down the accuracy by some reason. In such cases, the GPS
position may not fixed exactly.
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