Leica mojoRTK How-To Manual page 8

Select the Right Location for the Base Station
One problem that you may encounter with the base radio is interference
when the signal is reflected off an object close to the base station. This
can be very difficult to measure or diagnose as the cause of any
communications problems but as long as you are aware of the issue you
can take action to avoid such interference.
Objects that may cause these reflected signals include silos, sheds, or
trees. Even a hill close behind the base station can cause reflections if the
base station is setup near the top of a hill but not quite at the top.
For the purpose of understanding the effects of the reflected signals Figure
4 shows an extremely simplified interference pattern due the reflections
from an object close to the base station. This diagram is drawn as though
there are two signal sources, the first is the original signal from the base
station and the second is the reflected signal off the silo. The diagram also
loosely defines areas of weak signal and strong signal due to the
interference, however, note that the diagram doesn't show the signals
getting weaker as you get further away from the base and the silo. Also,
the reflected signal off the silo would be weaker than the original from the
base.
Figure 4 – Basic Interference Pattern due to reflections from an object
near the base
For more information
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Page 8/9 Document #1060 rev1.0