Operation Manual

1. MOUNTING
2
1.2 Mounting Considerations
In addition to the considerations described in this section, keep the length of the sensor cable in
mind when selecting a mounting location.
General considerations
Mount the sensor above radar mast
Like in the figure below, mount the SC-30 sensor above a radar mast. This provides an unob-
structed path between the sensor and the satellite, regardless of vessel heading. Follow the pro-
cedure on the next page to choose an installation site.
Sensor mounted above antennas and structures
If sensor cannot be installed above radar mast
If absolutely impossible to do otherwise, the sensor may be installed below a radar mast. Howev-
er, certain guidelines must be followed to prevent the shading and multipath problems which occur
as shown in the figure below. Follow the procedure on the next page to choose an installation site.
Problems associated with mounting sensor below a radar mast
Mast
Radar Antenna
Bridge
SC-30 Sensor
Radar Antenna
SC-30
Sensor
Bridge
Reception blocked by mast.
Location influenced
by reflected wave.
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