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Tips for using a submersible antenna
The user in the boat should be a specialist or have
considerable experience using a locator so that they can
give concise instructions to the diver.
It is prudent for the pair to practice working together on
dry land before attempting to locate underwater. Using
the antenna the diver should locate and trace a known
line blindfolded receiving directions from the user with the
locator out of sight of the line and the diver.
Because of rapid signal loss and a combination of large
surface area and very conductive soil there may be
problems applying a suitable signal for tracing a large
diameter pipe. It may be necessary to use a high power,
low frequency tracing signal.
It is necessary to define a method of recording target line
position and depth before starting work in the boat or on
the seabed.
Figure 7.13: Using a submersible antenna
RD7000+ Operation Manual 29
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