Canmore
Corporation
www.canmore.com.tw
Concerning of Poor GPS Signal
It is possible unable to receive GPS signal or signal low in these places:
Inside the tunnel, GPS signal is
blocked.
Beside some buildings, GPS signal
is low or disturbed.
Covers above, GPS signal are
blocked.
Inside forests, or too many covers,
GPS signal is low or disturbed.
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.