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The presence of S-band radar(s) is unlikely to cause any performance degradation – as
long as the minimum distances (d min.) listed in the previous section are applied.
It is strongly recommended that interference-free operation is verified experimentally
before the installation is finalized.
GPS receivers
Good quality GPS receivers work properly very close to the ADU - typically down to one
meter outside the main beam.
L-band antennas
If L-band antennas are installed on the same vessel, keep a minimum distance of 3 metres
from the FV-110GX ADU to the L-band antenna.
Other transmitters
See the following figure for minimum recommended distance to transmitters in the
frequency range below 1000 MHz.
Figure 2-13: Recommended distance to transmitters (m) for frequencies
CAUTION! The ADU must never be installed
closer to a radar than "d min." - even if
experiments show that interference free
operation can be obtained at shorter distances
than "d min." in the previous section.
below 1000 MHz
Site preparation
2-15
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