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2.6 Connecting
GPS
Antenna
The user must supply the GPS antenna. The GPS receiver inside the WorldTracker AVL powers the
pre-amplifier in the GPS antenna (Active-style) by applying a power of 3.3 Volts to the center conductor
of the RF input to the GPS receiver. If a passive-style GPS antenna must be used, please verify that it
has a DC block installed in order to prevent shorting to ground. GPS antenna connector on the
WorldTracker AVL model is a SMA female connector. The GPS antenna must be placed in an area
where it can have direct view of the sky.
The GPS antenna must be connected to the connector labeled “GPS ANT”. See Figure 12 - GPS
Antenna Connection.
!
User must disconnect power before connecting the
GPS antenna
GPS
Antenna
Figure 12 - GPS Antenna Connection