User's Manual

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Figure 5.1 From left to right: Shielded 250, 500 and 800 MHz

antennas. In front: electronics unit and survey wheel.

Figure 5.2 Shielded 100 MHz antennas, electronics unit and

survey wheel

The Shielded Electronics Unit is used to operate the

RAMAC/GPR shielded antennas (see Fig. 5.3 and 5.4). The

Shielded Electronics Unit contains both the transmitter and the

receiver electronics. Power to the electronics is provided by a

standard RAMAC/GPR battery pack. Communication with the

CUII is managed via three optical fibres and a cable for a

distance-measuring wheel. These cables provided are in a

protective housing.