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Old 03-28-2011
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2 chart plotters sharing one radar

I just purchased a Beneteau idylle 11.5 and I am doing a complete restoration of the vessel, including all of the electronics. I would like to have the ability to use one radar antenna on 2 chart plotters(gps), one in the cockpit and one below. Any recommendations?
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Old 03-28-2011
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I have that arrangement on my boat using Raymarine C90W chartplotters with a high speed bus connecting them. There are other models that will allow you to operate in this configuration, but I can vouch for the performance of the Raymarine units that I have. My previous arrangement used older generation Raytheon units that were hooked up in similar fashion and provided excellent service for 10 years (until a lightning strike).

With the older units, I would use the one below for a radar watch (typically in fog) while using the one at the helm for navigation. Either unit could display radar or charts. With the new units, I can use a radar overlay on the chart and adjust the transparency, so it isn't as compelling to have two displays, except for the convenience of setting up waypoints and planning the next day's navigation in the comfort of the cabin.
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