Furuno SATELLITE COMPASS SC-33 Operator's Manual page 14

Installation examples for a pleasure boat
No tuna tower
Sensor fixed to
a platform
Radome
radar antenna
With tuna tower
Fix directly to vessel, above
other equipment as much as possible.
Fixing holes should "surround"
the sensor. Further, fix the
mounting pole at a right angle.
The recommended dimensions
Fixing hole for the pole are:
Diameter: more than φ80 mm
Length:
Fixing hole
Do not mount the sensor like this.
Vibration can damage the sensor.
Fix sensor to pipe at stern side of sensor
if guardrail or the like runs to top of tuna tower, etc.
No pipe
7
1. MOUNTING
less than 500 mm
Pipe with
large diameter