What model (dome and display)
http://www.raymarine.com/view/?id=313&collectionid=163&col=309
The non-color one, but Color was not available then.
My MFD is a9 series
http://www.raymarine.com/view/index.cfm?id=4954
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My old radar worked fine, but the Nav station repeater bit the dust.
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I am amazed how much change has been done in 2.5 years on both Radar, Sonar, and MFD's.
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To me, Radar is major Safety device on our boat.
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One lazy sunny cruising day, I hailed a barge about 5 nm on my Starboard beam. We were on parallel course about the same speed. My Radar, using MARPA, gave me his course and speed, and showed no potential collision.
I asked him on a different FM Channel, if he saw us and what his Radar told him.
He had his Radar tracking us too.
My Radar detected His was "painting" us, his showed the same about our Radar.
So...
Get a good radar, with modern MARPA tracking.
Jim...
PS: I use the radar at night to set up a "Guard Zone" when at anchor.