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Originally Posted by Tony
Any advice or help in what i might need?
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Raymarine have recently released two new scanners. I've no experience of these new ones but the spec for the 4kw unit doesn't have as narrow a beam as the previous version. A narrow beam is generally a good thing. I guess it must do something else better.
Speaking about the previous units, the 4kw gives a much cleaner, finer, more detailed image than the 2kw. Things which the 2kw would only find for a portion of the time become solid with no problem.
You can sit it on the top of your A frame provided it's tall enough. It's not a good idea to scan your brain with 4kwatts of microwave energy. You may need a wedge to set the mounting angle correctly.