1.4. INSTALLATION
Cellular and GPS signals are easily attenuated by enclosing-
metallic-materials. Also, a clearer sky view will result in preciser
and more real-time GPS data.
Note:
The built-in GPS antenna is located (facing upwards) on the corner
next to the GPS led:
The antenna design enables the reception of GPS signals in any po-
sition, however GPS reception is favored by horizontal positions:
Over vertical positions:
Always try to leave the antenna area free from metallic objects that
obstruct GPS signals from the sky. Human body affects GPS signals,
if
e-track
TM
is being used to track a person, try to locate the unit
above the person’s waist to reduce the human-body signal-blocking.
Outside pockets are better locations than inside (jacket) pockets.
The best locations for person tracking are outside-jacket pockets and
front-shirt pockets, having the LEDs’ area on top (GPS antenna is in
30
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