On Thu, 14 Apr 2005 05:20:13 -0700, Akka wrote:

We recently bought a Furuno 1623 radar, intending to install the plasma
display in the cockpit, immediately above our Suunto D-165 compass.
However, the installation literature indicates that the display should
be "at least .5 metres from a standard compass or .3 metres from a
steering compass."

We have observed a number of boats with Raymarine radar displays
mounted that way, but so far, no Furunos. Is there really a problem
with the Furuno that the Raymarine doesn't experience? Or were the
authors of the installation guide just being over-cautious?

Try it out.

Hold the radar head close to your compass.

Run a power cable to the radar head.

Power it up.

Move it around.

Does it affect your compass?

The radome has a magnetron, a very power magnet in it. Beyond a doubt the
radome should neither be mounted close to your steering compass for
magnetic reasons or any biological component of value for microwave
exposure reasons.


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