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Installation Guidelines |Halo pulse compression radar installation manual
Considerations for direct roof mounting
When deciding a suitable mounting location for the Halo® Pulse Compression Radar 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° o horizontal. If the radar beams cannot clear the roof line, this will
decrease performance of the radar. Depending on the size of the hard top of the vessel, it is
recommended to elevate the antenna to allow the radar beams to clear the roof line. Below are
guide lines on heights above the hard top.
The below illustrates an installation with the Halo® Pulse Compression Radar mounted directly
on to a large hard top. This installation could suer decreased performance as the radar energy
is either reected or absorbed by the hard top.
¼ Note: Where the mounting surface is constructed of any form of metal you must elevate the
dome so that the beam has complete clearance, else performance will be severely impaired.
25°
25°
12.5°
50% power
12.5°
25% of power
For best performance, the radar should be positioned to allow the beams to clear the
superstructure of the boat.
Hard top width
1.8 m (6ft)
50% of power
25% of power
25% of power
Below is a guide to determine the antenna height in relation to a vessels hard top overall width.
Every Increase of 200 mm (7.9”) of hard top total width over 1.8m wide: Increase the height of
the antenna by 46 mm (1.8”)
46 mm
92 mm
184 mm
230 mm
276 mm
138 mm
(1.81")
(3.62")
(7.24")
(9.06")
(9.69")
(5.43")
25°
1.8 m (6 ft)
2.0 m (6.5 ft)
2.2 m (7.2 ft)
2.4 m (7.8 ft)
2.6 m (8.5 ft)
2.8 m (9.1 ft)
3.0 m (9.8 ft)
Direct hard top mount
Total hard top width
Optimum performance
There are many radar mounting options available from third party vendors such as Seaview,
Scanstrut and Edson. (see “Third party mounting options” on page 43)
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