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Installation | Broadband 3G™ Radar Installation Guide
0.7 m (2.3 ft) Min
Compass
Pulse Radar
Broadband Radar
12.5
12.5
TX
STBY
Minimum distance to install near the
ships compass is 0.7 m (3.3 ft).
It is recommended not to install the scanner on
the same beam plane as a conventional pulse
radar. A pulse radar must be set to STBY or OFF
when the 3G™ is being operated.
If possible ensure that the location site
provides the scanner with a clear view
all round the vessel.
Installations on power boats that have a steep
planing angle, it is recommended to tilt the scan-
ner angle down at the front. (Beam angle is 12.5°
either side of center).
Considerations for direct roof mounting
When deciding a suitable mounting location for the 3G™ scanner, be aware that the vertical
radar beam extends to 25° either side of horizontal. With 50% of the power projecting in a
beam 12.5° off horizontal. If the radar beams cannot clear the roof lines this could decrease
performance of the radar. Depending on the size of the hard top of the vessel it is recom-
mended not to mount directly on to the surface, instead elevate the scanner to allow the
radar beams to clear the roof lines. Below are guide lines on heights above the hard top
Possible performance loss
12.5°
25°
25°
50% of beam power
50% of beam power
12.5°
X
Broadband Radar
Above illustrates an installation with the Broadband 3G™ radar mounted directly on to a
large hard top. This installation could suff er decreased performance as the radar energy is
either refl ected or absorbed by the hard top.
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